First Name Last Name Company Address Line 1 Address Line 2 City US State

State/County/Province (Non-US)

Zip (Postal Code) Country Work Phone Attendee Email Address

Muawia A. Dafalla King Saud University PO Box 800 Riyadh 11421 Saudi Arabia 96614670734 mdafalla@ksu.edu.saMojdeh A. Pajouh Texas A&M 1501 Harvey Road Apt 686 College Station Texas 77840 United States 979-777-7943 mojdeh84@tamu.eduScott Aaron OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comIbrahim Abaidalla University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 0917193086 ifaxv4@mail.missouri.eduDean Abbondanza JD Fields & Company 55 Waugh Drive Suite 1250 Houston Texas 77007 United States 281 558-7199 da@jdfields.com

Sherif Abdelaziz Stony Brook University 250 Light EngineeringStony Brook University Stony Brook New York

11794-2323 United States 6316329341 sherif.abdelaziz@stonybrook.edu

Tarek Abdoun RPI 110 8th street Troy New York 12180 United States 518 2766544 abdout@rpi.eduGhaith Abdulrasool University of Kansas 1942 Stewart ave, apt B02 Lawrence Kansas 66046 United States 7853935267 m.sghaith@ku.eduTim Able Nicholson Construction 15603 E Fremont Drive Unit B Centennial Colorado 80112 United States 303-926-0411 Tim.able@nicholsonconstruction.comRandy Abramson Stalworth Underground LLC 5515 North East River Road Chicago Illinois 60656 United States 773-230-2935 randy@s-ug.net

Mike Abruzzo American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 973-903-3169 m.abruzzo@american-equipment.comNaser Abu-Hejleh FHWA 4749 W. Lincoln Highway, Suite 600 Matteson Illinois 60461 United States 708-283-3550 naser.abu-hejleh@dot.govMurad Abufarsakh Louisiana State University 13048 Quail Meadow Drive Baton Rouge Louisiana 70817 United States 2257679147 cefars@lsu.edu

Moe Accinno American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-438-2626 moe@american-equipment.comCarlos Achabal Alvarez ltda Pedro Butron 217 Cochabamba Bolivia none Bolivia (591)76401359 carlos-achabal@alvarezltda.comCarlos Achabal carlos-achabal@alverezitda.comRaju Acharya The University of Texas at Arlington 908 Greek Row Dr. Apt 344 Arlington Texas 76013 United States 8172725188 raju.acharya@mavs.uta.eduKOFI ACHEAMPONG KCI Technologies, Inc. 936 Ridgebrook Road Sparks Maryland 21152 United States 410-316-7888 kofi.acheampong@kci.comFritz Achhorner HAYWARD BAKER 7550 Teague Road Hanover Maryland 21076 United States 4439958268 fnachhorner@haywardbaker.com

Milenko Acimovic Fraser River Pile & Dredge (GP) Inc. 211, 1591 Booth Avenue CoquitlamBritish Columbia V3K 1B7 Canada (604) 522-7971 msemeniuk@frpd.com

Mike Ackerman Durham Geo Slope Indicator 2175 West Park Court Stone Mountain Georgia 30078 United States 678-736-2001 mackerman@dgeslope.comCRISTINA ACUNA THE UNIVERSITY OF TEXAS - PAN AMERICAN 4601 WICHITA AVE MCALLEN Texas 78503 United States 9566871412 cacuna@broncs.utpa.eduIvan Acuna Terracon Houston Texas ivaneac@gmail.comGreg Adams Agra Foundations 7708 Wagner Road NW Edmonton Alberta T6E 5B2 Canada 780-468-3392 greg.adams@agra.comRich Adams Wurster Engineering & Construction 34 Carrie Drive Greenville South Carolina 29615 United States 8646277751 rich.adams@wursterinc.com

Benjamin Adams Penn StateDepartment of Civil and Environmental Engineering Sackett Building State College Pennsylvania 16802 United States 5596234171 adamsbenjaminthomas@gmail.com

Mike Adams Federal Highway Administration 6300 Georgetown Pike McLean Virginia 22101 United States 202-493-3025 Mike.Adams@dot.gov

Luis Adcox INGENIERIA CONTINENTAL SA Plaza Conquistador II, local 74M Panama0843-03089 Panama 271-1824 skosmas@iconsanet.com

Marshall Addison Marshall B. Addison, Ph.D.,P.E. 3235 Kenilworth Dr Arlington Texas76001-5207 United States 817-467-5535 marshall.addison@tx.rr.com

Drew Aderholt Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States 205-841-8600 tphifer@jeffreymachine.comStan Agee Pieresearch 501 East Main St Arlington Texas 76010 United States 817-265-0980 stanagee@pieresearch.com

Raul Aguilar Becerril Sísmica de Suelos, S.A. de C.V.(+ 52.55) 56.11.32.24 sismica@prodigy.net.mx

Agust Agustsson Agust Construction & Shoring 13400 S. Figueroa St Los Angeles California 90061 United States 4242700370 agust@geosupport.comTomas Agustsson Agust Construction & Shoring 13400 S. Figueroa St Los Angeles California 90061 United States 4242700370 tom@geosupport.comSean Ahdi University of California, Los Angeles 515 Kelton Ave. #110 Los Angeles California 90024 United States 858-220-0390 seanahdi@gmail.comAmir Ahmadipur The Pennsylvania State University 200 Highland Ave., Apt #211 State College Pennsylvania 16801 United States 8149358443 axa1023@psu.edu

Aseel Ahmed University of Cincinnati 2850 Campus Way Dr., 765 Baldwin Hall Cincinnati Ohio45221-0071 United States 513-556-5517 aseel.ahmed@uc.edu

Asif Ahmed University of Texas Arlington Arlington Texas76019-0308 asif.civil.buet.12@gmail.com

Jukka Ahonen PPV Finland Turkkirata 27-29 Pirkkala 33960 Finland +358-400-793534 jukka.ahonen@ppvfinland.comMd Ahsanuzzaman QC Laboratories, Inc. 210 Wells Fargo Dr. Houston Texas 77090 United States 7754008492 ahsanuzz@gmail.comMaryann Aitchison Case Foundation 1325 W. Lake Street Roselle Illinois 60172 United States 630-529-2911 mtaitchison@casefoundation.com

Beena Ajmera Virginia Tech 11652 Telegraph Rd. Santa Fe Springs California 90670 United States (714) 200-3200 bajmera@vt.eduGhassan Akrouch Hayward Baker, Inc. 5461 W. Waters Ave, Suite 900 Tampa Florida 33634 United States 8137632755 gakrouch@haywardbaker.comDuaa Al-jeznawi Texas A&M University 1501 Holleman Dr. Apt # 11 college station Texas 77840 United States 281-798-5752 duaafalih@tamu.eduMAHDI AL-NADDAF University of Kansas 2201 Westdale Rd. Apt#C-9 Lawrence Kansas 66049 United States 7857279051 m006a048@ku.eduMohammad Al-Quraan Virginia tech 13500 Copper Croft Run Apt. B blacksburg Virginia 24060 United States 5187633212 alqurm@vt.eduAlta Alaniz BAUER-PILECO alta.alaniz@bauer-conroe.com

Yousef Alawadhi knpcP.O Box: 70 Safat Postal Code 13001 Kuwait Kuwait kuwait 13001 Kuwait 0096523889675 m.ashkanani@knpc.com

Sultan Albahloul Saudi Geological Survey Jeddah Alwaha Dist.No2. Jeddah 21514 Saudi Arabia 00966126195000 albahloul_s@yahoo.comEric Alberghini Norwalk Marine Contractors 245 Access Road Stratford Connecticut 06615 United States 2038663344 ealberghini@norwalkmarine.com

Alexei Albuquerque Robit Av.Othon Gama D´eça 900 - sala 704 Florianopolis

Santa Catarina/Brazil

88015-240 Brazil +554830372660 alexei.albuquerque@robit.fi

David Alexander Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymachine.comPooya Allahverdizadeh Colorado School of Mines 1350 Golden Circle, unit 202 Golden Colorado 80401 United States 7204217118 pallahve@mines.eduChad Allen Anderson Drilling 3600 east 46th Ave Denver Colorado 80216 United States 3033216680 Callen@andersondrilling.comJan Allen WorldWide Drilling Resource, Inc. PO Box 660 Bonifay Florida 32425 United States 850-547-0102 Jan@worldwidedrillingresource.comJohn Allen Dave McMahon Construction, Inc. 540 N. Spruce Street Escondido California 92025 619-491-9355 brian@shoring-drilling.comKerry Allen DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comDJ Allen DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comEverett Allen Cal Poly San Luis Obispo Geowall member 13751 Brenan Way Santa Ana California 92705 United States 7143938098 epallen@calpoly.eduTod Allen Radarview UCT PO Box 775 Humble Texas 77347 United States 800-557-3134 tallen@uctgroup.com

RYNE ALLENPILING PRODUCTS A DIVISION OF ROLL FORM GROUP 2436 WOODSTORK CT ST. AUGUSTINE Florida 32092 United States 904-287-8000 ryne@pilingproducts.com

Brad Allen Texas Shafts PO Box 79218 FOrt Worth Texas 76179 United States 817-917-9000 ballen@texashafts.comBilly Aller TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comRobert Alperstein RA Consultants LLC 47 Wilkens Drive Dumont New Jersey 07628 United States 6099189614 bob@racllc.comRajaa Alrayyes UCLA 3120 Sawtelle blvd. Los Angeles California 90066 United States 8054059822 joji.alrayyes@gmail.comMark Alsobrook Big River Industries, Inc. 6877 Hillside Village Circle Salt Lake City Utah 84121 United States 770-640-3008 agabbard@bostrom.com

Abdulaziz Alsolami Saudi Geological Survey Alwaha District. (2) JeddahSaudi Arabia 21414 Saudi Arabia 00966126195000 aalsolami@yahoo.com

Maria Gabriela Alvarado Calle Purdue University 3109 Courthouse Dr E Apt 2A West Lafayette Indiana 47906 United States 7657728041 alvarad9@purdue.eduVictor Alvarez Alvarez ltda Pedro Butron 217 Cochabamba Bolivia none Bolivia (591)76401356 victor-alvarez@alvarezltda.comCaren Alvis Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comJames Alvis Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comArthur Alzamora Langan 360 West 31st Street 8th Floor New York New York 10001 United States 212-479-5400 aalzamora@langan.comAriana Amador UTPA 2908 Cassie Edinburg Texas 78541 United States 9564673120 aamador5@bronca.utpa.eduDenny Ambio Con-Tech Systems 1832 University Commercial Place Charlotte South Carolina 28213 United States 704-494-3989 D.ambio@contechsystems.comBrad Ames Bolander 251 Starkey St St Paul Minnesota 55105 United States 651-244-6299 brad@bolander.comErez Amir Piletest.com POB 9119 59a Vatikim St. Even-Yehuda 4051456 Israel +97298911899 erezam@piletest.comBehzad Amir-Faryar Professional Service Industries, Inc. 2726 Gallows Road APT 705 Vienna Virginia 22180 United States 7038295110 bfaryar@gmail.comCarl Amos Alexandria Virginia carlamos32@gmail.comKevin Andersen ESC Steel Inc 18 Augusta Pines Dr Suite 115W Spring Texas 77389 United States 281-205-7261 andy@escsteelinc.comJohn Anderson Specrete 10703 Quebec Ave. Cleveland Ohio 44106 United States 216-721-2050 janderson@specrete.comRich Anderson Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 randerson@ecanet.comDonald Anderson CH2M HILL 1100 112th Avenue NE Suite 400 Bellevue Washington 98004 United States 4254535000 donald.anderson@ch2m.comGene Anderson Lane Enterprises 91 Shartlesville Road Mohrsville Pennsylvania 19541 United States 7174487956 ganderson@lane-enterprises.comScott Anderson HDR 1670 Broadway Suite 3400 Littleton Colorado 80127 United States 3033186283 scott.t.anderson@hdrinc.comScott Anderson FHWA 12300 West Dakota Ave., Suite 340 Lakewood Colorado 80228 United States 720-963-3244 scott.anderson@dot.govScott Anderson Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 sanderson@bayshoresystems.comWes Anderson Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 wanderson@bayshoresystems.comIlse Anderson Scandinavian Pile Driving PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comHerman Anderson Scandinavian Pile Driving PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comBart Anderson US SIte Work 11040 183 Circle NW Suite B Elk River Minnesota 55330 United States 763-280-8508 bart@ussitework.comPatrick Anderson Becho Incorporated 15901 Olden Street Sylmar California 91342 United States 818-439-4367 patrick.anderson@bechoninc.comBart Anderson US SIte Work 11040 183 circle NW Suite B Elk River Minnesota 55330 United States 763-280-8508 bart@ussitework.com

Magnus Anderson Scandinavian Pile Driving PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.com

Brian Anderson Auburn University 238 Harbert Engineering Center Auburn University Alabama 36849 United States 334-844-7373 jbanders@auburn.eduMario Andrade Atlas Copco Rotex Pihtisulunkatu 1 A Tampere 33330 Finland +358207189387 mario.andrade@fi.atlascopco.comJake Andresen Arizona State University 1215 E Vista Del Cerro Dr Apt 1015 Tempe Arizona 85281 United States 503-877-8003 jaandre3@asu.eduMichele Andreucci CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 giuliano.clo@czm.com.brMark Andrews Eastrock 405 Sullivan Ave South Winsor Connecticut 06074 United States 1-860-289-0606 mandrews@eastrock.comJosh Angel ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 jangel@iceusa.comNicole Angie Pile Dynamics, Inc. 30725 Aurora Road Cleveland Ohio 44139 United States 216-831-6131 Nicole@pile.comNadir Ansari ISHERWOOD 3100 Ridgeway Drive Unit 3 Mississauga Ontario L5L 5M5 Canada 9058203480 nadir@isherwood.toThomas Ansorge GuH USA, Inc. 206 Whitehead Lane Wentzville Missouri 63385 United States 6362628575 dusty.yahnke@guh-messtec.de

Nonika Antonaki Rensselaer Polytechnic Institute 110 8Th St Troy New York12180-3522 United States 802-419-1043 antonn@rpi.edu

Mariano Antonelli MAIT USA 19 Davidson Lane, Bldg 5 New Castle Delaware 19720 United States 302-778-3844 info@maitusa.com

JuanAntonio Valdez Rubalcava Ediser

av central 1081 casa 26 col parque de la castellana guadalajara jalisco 45117 Mexico 52 33 31100987 juanvaldez87@hotmail.com

Hugo Aparicio Stantec 1409 North Forbes Road Lexington Kentucky 40511 United States 8594223000 hugo.aparicio@stantec.comAndrew Appleton John Lawrie Tubulars 15555 Miller Road 1 Houston Texas 77049 United States 2814567100 Andrew@jl-mail.comDennis Arbour Amix Systems 33250 Ravine Ave Abbotsford BC V2S 1V6 Canada 778-242-3640 dennis@amixsystems.comDean Archdekin Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.comSteve Archer MINCON PO Box 13886 Roanoke Virginia 24038 United States 5403449939 tompurcell@mincon.comRui Arco Agra Foundations 7708 Wagner Road NW Edmonton Alberta T6E 5B2 Canada 780-468-3392 rui.arco@agra.comJeff Arkin BAY MACHINERY Richmond California 5102369000 jeff@baymachinery.comDiane Armour DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 tom.armour@dbmcontractors.comTom Armour DBM Contractors Federal Way Washington 98335 United States 253-838-1402 tom.armour@dbmcontractors.comShaun Arnault Keller Foundations Ltd. #2 - 53016 Highway 60 Acheson Alberta T7X 5A7 Canada 7809135832 sarnault@kellercanada.comMichael Arnold BAUER Foundation Corp. 13203 Byrd Legg Drive Odessa Florida 33556 United States 561-596-5957 marnold@bauerfoundations.comJustin Arnold Jinnings Equipment LLC 11515 Richard Road Churubusco Indiana 46723 United States 260-447-4343 justin@jinnings.comErik Arnson GeoEngineers, Inc. 523 East Second Avenue Spokane Washington 99202 United States 5093633125 earnson@geoengineers.comHunter Arrighi GROUP Contractors, LLC PO Box 3560 Baton Rouge Louisiana 70884 United States 2257522500 harrighi@group-industries.comHunter Arrighi Group Contractors PO Box 83560 Baton Rouge Louisiana 70884 United States 225-752-2500 harrighi@groupcontractors.comJorge Arroyo LOUISIANA TECH UNIVERSITY 3182783914 jae020@latech.eduJoe Arseneault CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 josh@cjdrilling.comSteven Artman Geo-Solutions, Inc. 610 Garrison St. Unit D Lakewood Colorado 80215 United States 303-284-9071 sartman@geo-solutions.com

Arul Arulrajah Swinburne University FSET (H38), PO Box 218 Hawthorn VIC 3122 Australia + 61 3 9214 5741 aarulrajah@swin.edu.auJeramy Ashlock Iowa State University 474 Town Engineering Building Ames Iowa 50011 United States 5152946176 jashlock@iastate.eduJoseph Aten Cardno PPI 9821 Katy Freeway, Suite 600 Houston Texas 77024 United States joseph.aten@cardno.com

George Athanasopoulos University of Patras, Greece Civil Engineering Department Rion 26500 Greece001302610996543 gaa@upatras.gr

AddaAthanasopoulos-Zekkos University of Michigan 2350 Hayward Street Ann Arbor Michigan 48103 United States 7347640057 addazekk@umich.edu

Tim Athy Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 tathy@williamsform.comRyan Atwood Distinct Capital Group 11305 Four Points Drive Bldg. 1 Ste. 100 Austin Texas 78726 United States 5124027437 ryan@distinctcapitalgroup.comJean-Paul Aubé Carandina America Inc. 4080 Belgreen Dr. Unit A Ottawa Ontario K1G 3N2 Canada 613-859-7403 jpaube@selix.caMichel Audet Gilbert 1840 boul. Marcotte Roberval QC G8H 2P2 Canada 819-279-8888 m.audet@pieuxqp1.comGuylain Audet Construction Audet & Knight 140 Jacques-Bibeau Street Rouyn-Noranda Québec J9Y0A3 Canada 819-764-4666 guylainaudet@audetknight.comTim Avery AVAR Construction Fremont California 94538 ta@avarconstruction.comGreg Ayers ATLAS COPCO 2040 West Pinnacle Peak Road Phoenix Arizona 85027 United States 6237800200 greg.ayers@us.atlascopco.comRyan Ayers Hammer & Steel, Inc. 482 Houses Corner Road Sparta New Jersey 07871 United States 973-512-2940 rayers@hammersteel.comNick Ayres Hayward Baker 14718 Pipeline Ave. Suite B Chino Hills California 91709 United States 9093939300 msg@haywardbaker.comNicholas B. Wells Fargo 39 Shiny Pebble Place The Woodlands Texas 77381 United States nicholas.b.webb@wellsfargo.comJulia Baaklini Student 13600 Copper Croft Run Blacksburg Virginia 24060 United States 9732201499 juliabaaklini@gmail.comAllen Baass BAASS DRILLING Victoria Texas 3615507777 baasscall@gmail.comAndrea Babbo Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 a.babbo@casagrandegroup.comBritt Babcock Avanti International 822 Bay Star Blvd Webster Texas 77598 United States 281-486-5600 britt.babcock@avantigrout.comErnesto Babuin Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 e.babuin@casagrandegroup.com

Janise Bachler Foremost 1225 64th avenue NE CalgaryAlberta, Canada T2E8P9 Canada 403-295-5800 rebecca.robson@foremost.ca

Umesh Bachu Geopier Foundation Company 17818 Oakland Mills Drive Richmond Texas 77407 United States (713) 824-2680 ubachu@geopier.comAndy Badeaux CPS HOUSTON Channelview Texas andy@cpshouston.net

Lydia Baehr Ground Hog Foundation Drilling P.O. Box 60665 Houston Texas77205-0665 United States 281-442-0300 tbaehr@groundhogdrilling.com

Tom Baehr Ground Hog Foundation Drilling P.O. Box 60665 Houston Texas77205-0665 United States 281-442-0300 tbaehr@groundhogdrilling.com

Eric Bahner Terra Engineering & Construction Corporation 135 Dynex Drive Pewaukee, Wisconsin53072-3568 United States (414) 881-8857 ebahner@whyterra.com

Jay Bailey Sterling Lumber Company 501 E. 151st Street Phoenix Illinois 60426 United States 7083882223 Jayb@sterlinglumber.com

Joe Bailey Applied Foundation Testing, Inc. 4035 J Louis StGreen Cove Springs Florida 32043 United States 904-284-1337 jbailey@testpile.com

Bruce Bailey Proferro 411 Sardis Lane Charlotte North Carolina 28270 United States 704-819-5034 bbl@proferro.beBiswajit Bairgi biswajit.bairgi@smail.astate.eduRicky Baker Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comRobert Baker Baker Pile Driving Covington Louisiana robert@bakerpiledriving.comAlessandro Baldazzi Carandina America Inc A 4080 Belgreen Dr Ottawa ON K1G 3N2 Canada 613-226-9887 carandina@carandina.caErica Balderas University of Texas Pan American P.O. Box 664 Elsa Texas 78543 United States 956-684-7518 enbalderas@broncs.utpa.eduNick Baldwin Double Star Drilling 312 Hayes Crescent Acheson T7X 5A4 Canada 7804844276 nick@doublestardrilling.caMarc Ballouz ISSMGE 3405 bee creek rd Spicewood Texas 78669 United States 5127891335 Mballouz@i-g-m.com

Paola Bandini New Mexico State University PO Box 30001, MSC 3CE Las Cruces New Mexico88003-8001 United States 575-646-3802 paola@nmsu.edu

Aritra Banerjee University of Texas at Arlington 700 W Mitchell Cir., Apt 1514A, Arlington Texas 76013 United States 6822084913 aritra.banerjee@mavs.uta.eduScott Banford SCHEFFLER NORTHWEST, INC. Vancouver Washington 3608180070 sbanford@schefflerrnw.comClint Bannout UCLA 390 Hauser Blvd #6H Los Angeles California 90036 United States 4074616438 bannoutclint@gmail.com

Junior Banuelos-Rodela Southwest Concrete Construction, Inc. 2408 N. Parkland Ave Artesia New Mexico 88210 United States 5757469074 Juniorb@swcci.com

Valentina Baraghini SOILMEC 100 Water Street East Providence Rhode Island 02914 United States +39 340 3334014 v.baraghini@soilmec.itGianluca Baraghini McDrill Technologies PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.com

Fernando Barbiere KLEMM Wintersohler Str. 5 Drolshagen 57489 Germany+49 8252 97-1634 f.barbiere@klemm-mail.de

Bogdan George Barbu BGB Consulting Houston Texas 713-705-6686 barbubg@yahoo.comDavid Barger DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comLuca Barison Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States 4122214500 luca.barison@nicholsonconstruction.comBrian Barkauskas Moretrench 144 Dexter Drive Monroeville Pennsylvania 15146 United States 412-793-9303 bbarkauskas@mtac.comTodd Barlow Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.comManik Barman University of Oklahoma 202 West Boyd Street Norman Oklahoma 73019 United States 410-370-7019 barmanmanik@gmail.comGary Barnett Mitsubishi Materials U.S.A. Corp. 6563 Whisper Creek Loop NE Keizer Oregon 97303 United States 503-602-2847 gbarnett@mmus.com

John Barrett University College Dublin Newstead Building, Belfield DublinDublin 6, Ireland Dublin 6 Ireland 3530834707645 john.barrett@ucdconnect.ie

Virginia Barron Numa 646 Thompson Rd Thompson Connecticut 06277 United States 860-923-9551 virginia.barron@numahammers.comAndy Barron TRI-STATE DRILLING Plymouth Minnesota United States abarron@tristatedrilling.comRenzo Barsallo RGB Group Central Islip New York 11722 United States rbarsallo@rgbgrouppc.comRick Bartlet Stalworth Underground LLC 5515 North East River Road Chicago Illinois 60656 United States 773-294-6752 rick@s-ug.netSteve Bartlett West Coast Drilling Hercules California mrauger@aol.comRich Basarich Doosan Portable Power 1293 Glenway Dr Statesville North Carolina 28625 United States 7048833764 richard.basarich@doosan.comTugce Baser UNIVERSITY OF CALIFORNIA San Diego California tbaser@ucsd.eduCurtis Basnett CH2M HILL 4350 West Cypress Street Suite 600 Tampa Florida 33635 United States 813-281-7910 cbasnett@ch2m.comTony Basterrechea Construction Drilling Equipment, Inc. PO Box 1886 Byron California 94505 United States 9259781670 TonyB@CDEdrill.comDipanjan Basu University of Waterloo 200 University Ave W Waterloo N2L 3G1 Canada 5198884567 basu.dipan@gmail.comPrasenjit Basu The Pennsylvania State University 213C Sackett Bldg University Park Pennsylvania 16803 United States 8148634010 pbasu@engr.psu.edu

Bate Bate Missouri University of Science and Technology 1401 N Pine St132 Butler-Carlton Hall Rolla Missouri 65409 United States 5733414465 bate@mst.edu

Kevyn Bates Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 kevyn@ecacanada.ca

Mike Batten Holt Crane & Equipment Houston Texas morris.nichols@holtcrane.comColton Batten Holt Crane & Equipment Houston Texas morris.nichols@holtcrane.comAlberto Battini Tecniwell PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comMichael Bauer Stucchi USA 1107 Windham Parkway Romeoville Illinois 60446 United States 847-956-9720 rmorales@stucchiusa.comTarah Baumgartner Southern Methodist University 503 stone creek Dr Prosper Texas 75078 United States 972-890-7204 tbaumgartner@mail.smu.eduHarold Baur Boh Bros. Construction Co. 730 South Tonti St. New Orleans Louisiana 70119 United States 504-827-7640 hbaur@bohbros.comSarah Baur Boh Bros Construction New Orleans Louisiana United States hbaur@bohbros.comMichael Baxter BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7649 mbaxter@bauerpileco.comAndrew Baxter GEI Consultants, Inc. Senior Professional Suite 200 Mount Laurel New Jersey 08054 United States 8566086860 abaxter@geiconsultants.comSteve Beaird Beaird Drilling 13235 State Park Road Fentress Texas 78622 United States 2547229051 mbeaird@industryinet.comJeff Bean Layne 6811 Ash St Frisco Texas 75064 United States mauro.chinchelli@layne.comBruce Beatty Atlas Copco 3700 E.68th Ave Commerce City Colorado 80022 United States 3035131231 bruce.beatty@us.atlascopco.comDan Beaty Beaty Construction Inc. 5292 W. 100 North Boggstown Indiana 46110 United States 317-835-2254 dbeaty@beatyinc.comSteve Bebee James McHugh Construction Co. 1737 S. Michigan Avenue Chicago Illinois 60616 United States 312-986-8000 sbebee@mchughconstruction.comKarl Bechtoldt James McHugh Construction Co. 1737 S. Michigan Avenue Chicago Illinois 60616 United States 312-986-8000 kbechtoldt@mchughconstruction.comDale Beck AUGER SERVICES, INC. Gonzales Louisiana United States 2256479233 dbeck@augerservices.comBryan Beck Auger Services, Inc. Gonzales Louisiana United States bbeck@augerservices.comSabine Beck Munich International Trade Fairs 80 Pine Street, 24th Floor New York New York 10005 United States 646-437-1013 sbeck@munich-tradefairs.comDarrin Beckett Kentucky Transportation Cabinet 1236 Wilkinson Blvd. Frankfort Kentucky 40601 United States 502-564-2374 darrin.beckett@ky.govJulia Bedford Texco Co Christchurch New Zealand timotoole@texco.co.nzRich Bedient T&D Power 4143 E. Quartz Circle, Suite 106 Mesa Arizona 85215 United States 480-654-0162 rbedient@tanddpower.comJohn Beech Geosyntec Consultants 1255 Roberts Blvd, Suite 200 Kennesaw Georgia 30144 United States 404-3072676 jbeech@geosyntec.comRyan Beemer Texas A&M University 401 Lincoln Ave Apt 42 College Station Texas 77840 United States 6613325716 rdbeemer@tamu.edu

Erwin Beernink Plaxis bv Computerlaan 14 DelftZuid-Holland 2628 XK Netherlands +31 25117740 info@plaxis.nl

Gerardo Benavides University of Texas PanAmerican 1201 W University Dr. Edinburg Texas 78539 United States 9563108373 benavidesjerry@hotmail.comTim Bendell TenCate Geosynthetics P.O. Box 11555 Saint Paul Minnesota 55111 t.bendell@tecate.comRon Bender Brevini USA 14141 W Brevini Dr Yorktown Indiana 47396 United States 765-716-1836 r.bender@breviniusa.comJeremy Bennett Hayes Drilling, Inc. 15525 S. Mahaffie St. Olathe Kansas 66062 United States 816-918-3772 jbennett@hayesdrillinginc.comJon Bennett Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comAllison Bennett Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 abennett@isherwood.toJames Bennett Toledo Caisson Corporation 6275 Consear Ottawa Lake Michigan 49267 United States 734-854-8118 janeb@toledocaissoncorp.comJerry Bennett Toledo Caisson Corporation 6275 Consear Ottawa Lake Michigan 49267 United States 734-854-8118 janeb@toledocaissoncorp.comPatricia Bennett University of Texas 10814 Rocky Trail San Antonio Texas 78249 United States 210-313-2368 patricia.bennett@utexas.eduMark Bennier Kiewit Engineering Co. 3555 Farnam Street 9th Floor Omaha Nebraska 68131 United States 402-943-1491 mark.bennier@kiewit.comEvan Benson Arizona State University 1811 E Apache Blvd 4091 Tempe Arizona 85281 United States 5089826799 evan.benson@asu.eduThomas Bentsen Züblin inc. 6790 Cenutry Avenue Mississauga L5N 2V8 Canada 6475319112 Thomas.Bentsen@zueblin.dePaul Beresis Nicholson Construction 24 Commerce Street Suite 500 Newark New Jersey 07102 United States 973-383-8884 paul.beresis@nicholsonconstruction.com

Mauro Beretta Beretta Alfredo Srl Via Vignareto 10BESANA IN BRIANZA North Carolina MB 20842 Italy

39-0-362-99-53-80 paige@wordrockdrills.com

Wes Bergeron Hammer & Steel, Inc. P.O. Box 4572 Olathe Kansas 66063 United States 913-768-1505 wbergeron@hammersteel.comTim Berget Bauer Foundation Corp. 13203 Byrd Legg Drive Odessa Florida 33556 United States 727-531-2577 tberget@bauerfoundations.comSherrie Bergschneider Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comJose Bernal 20/20 Exhibits 8902 Bateman Blvd Rosharon Texas 77583 United States 281-905-2803 joseb12336@gmail.comMike Bernardi TenCate Geotube 365 South Holland Drive Pendergrass Georgia 30567 United States 706 693 1833 m.bernardi@tencate.comCraig Berninger Champion Equipment Sales, LLC 49 East Gordon Avenue Salt Lake City Utah 84107 United States 8012888919 craig@championsales.netJohn Berry Matrix 327 avena circle Naperville Illinois 60565 United States 630-730-7428 john.berry@matrixcp.comDeb Berryhill Steel Pipe Fabricators 2910 Ashby Lane Hoover Alabama 35226 United States 470-246-0258 andy@steelpipefab.netAndy Berryhill Steel Pipe Fabricators 2910 Ashby Lane Hoover Alabama 35226 United States 470-246-0258 andy@steelpipefab.netBrian Berryhill Eddie Kane Steel 508 Maiden Lane Hoover Alabama 35226 United States 205-230-1833 brian@eddiekanesteel.comGreg Bertlelsen Concept Torque #540 7700-76th St. Close Red Deer Alberta T4P 4G5 Canada 403-340-3466 greg@concepttorque.comMadison Bertoch The University of Texas at Austin 301 E. Dean Keeton St. Stop C1700 Austin Texas 78712 United States 2083903032 bertochm17@gmail.comAnil Bhandari Bechtel Oil, Gas, and Chemicals 3000 Post Oak Blvd Houston Texas 77056 United States 713-235-5078 abhandar@bechtel.comTejo Vikash Bheemasetti University of Texas at Arlington 408 Kerby Street Apartment 327 Arlington Texas 76013 United States 8172722973 tejovikash.bheemasetti@mavs.uta.eduPawel Biela ChemGrout 805 East 31st Street Lagrange Park Illinois 60526 United States 708-354-7112 paul@chemgrout.comDaniel Bien Case Foundation 1325 W. Lake Street Roselle Illinois 60172 United States 630-529-2911 dpbien@casefoundation.comDale Biggers Boh Bros. Construction P.O. Drawer 53266 New Orleans Louisiana 70153 United States 504-827-7636 dbiggers@bohbros.comSelcuk Bildik Osmaniye University Osmaniye Turkey sbildik@osmaniye.edu.tr

Selcuk Bildik Osmaniye University Osmaniye Turkey sbildik@osmaniye.edu.trJason Bindseil EBS Geostructural Inc. 320 Woolwich Street South Breslau Ontario N0B 1M0 Canada 5196483613 jason.bindseil@ebsgeo.comTrevor Bineham Virginia Tech University 1260 Progress Street App. 5500 C Blacksburg Virginia 24060 United States 541-514-4126 binehamt@vt.eduAndrew Bingaman Trinity Inc. 658 Cookman Ave Suite 13 Asbury Park New Jersey 07712 United States 732-455-3795 abingaman@trinityinc.com

Ram rathan lal Birali Indian institute of technology Bombay Indian Institute of Technology Bombay Powai MumbaiMaharashtra 400076 India 09757418220 rathan_lal@iitb.ac.in

Bill Birch Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 b.birch@casagrandegroup.comRachel Bird Farmersville Foundation Tooling PO Box 111 Farmersville Texas 75442 United States 972-784-6689 shurst@farmersvilletooling.comTom Bird Williams Form Engineering Corp. 251 Rooney Rd. Golden Colorado 90401 United States 3032169300 tbird@williamsform.comCraig Bishop Case Foundation 1325 W. Lake Street Roselle Illinois 60172 United States 630-529-2911 ccbishop@casefoundation.comJerold Bishop Kiewit Engineering and Design 9401 Renner Blvd Lenexa Kansas 66219 United States 913-689-4978 jerold.bishop@kiewit.com

Marco Bissonnette Icanda Corporation (Member of M.S.E. Group) 3131 boulevard de la Concorde Suite 306 Laval Quebec H7E 4W4 Canada +1 450 661 2972 mbissonnette@icanda.comMike Bivens Rembco PO Bpx 23009 Knoxville Tennessee 37933 United States 865-671-2895 mike@rembco.comWard Black CZM Foundation Equipment 145 E. Industrial Blvd. Pembroke Georgia 31321 United States 912-320-2699 Tyler.sherman@czm-us.com

Jason BlaisAtlas Copco Mining, Rock Excavation & Construction 1745 Saundersville Ferry Road Mount Juliet Tennessee 37122 United States 7174180753 jason.blais@us.atlascopco.com

Sonja Blanc SIREG Via del Bruo, 12 20862 Arcore (MB) Italy 20862 Italy +39 039 627021 s.blanc@sireg.itJohnathan Blanchard University of Arkansas 443 Miami Loop Apt 10 Fayetteville 72701 United States 417-214-3126 jdblanch@uark.eduMichael Blanchard Hayward Baker Inc. 3600 E 46th Ave Denver Colorado 80216 United States 303-961-1159 mblanchard@haywardbaker.comDavid Blanco Rexoth Bosch Group San Antonio Texas david.blanco@boschrexroth-us.comMike Blanding Hayward Baker Inc. 11180 E Martial Way S Tukwial Washington 98168 United States 206-223-1732 MWBlanding@haywardbaker.comBrian Blanton OilField Equipment Sales Gainsville Texas oilfieldequipmentsales2@gmail.comAlec Bloem Malcolm Drilling Company 3564 Investment Blvd Hayward California 94545 United States 510 780-1167 abloem@malcolmdrilling.comBryan Blom K&D Construction Services PO Box 31 Chelsea Oklahoma 74016 United States 918-855-6405 bblom@att.netBernie Blon Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States 4122214500 bernie.blon@nicholsonconstruction.comAaron Blood Curtis Drilling 2625 Santa Fe Ave San Marcos California 92069 United States 760-727-7330 josh@curtisdrilling.comTim Bodart Bodart Electric Service, Inc. De Pere Wisconsin timbodart@tds.netRolland Boehm HDR Engineering 4401 West Gate Blvd, Suite 400 Austin Texas 78745 United States 5124984709 rolland.boehm@hdrinc.comDennis Boehm Hayward Baker, Inc. 509 North Sam Houston Pkwy Suite 300 Houston Texas 77060 United States 281-668-1870 dwboehm@haywardbaker.comJohn Boes RECON 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 r.robertson@casagrandegroup.comMike Bogardus ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 mbogardus@iceusa.comLucian Bogdan DYWIDAG Systems International 320 Marmon Drive Bolingbrook Illinois 60440 United States 6303011314 anna.dexter-thornton@dsiamerica.comGreg Bogen Columbia Energy Richland Washington gbogen@columbia-energy.comRobin Boggs Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.comMichelle Bolding Schnabel Engineering 9800 JEB Stuart Parkway, Suite 100 Glen Allen Virginia 23059 United States 804-521-2434 mbolding@schnabel-eng.comDan Bole Hayward Baker 11575 Wadsworth Blvd. Broomfield Colorado 80020 United States 303-469-1136 dpbole@haywardbaker.comDavid Bolton Raito, Inc. 23595 Cabot Blvd Suite 106 Hayward California 94545 United States 510-259-9900 dbolton@raitoinc.comMorgan Bonner DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 mbonner@drilltoolsinc.comJack Bonomi PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 208-691-4489 jbonomi@pengoattachments.comMike Bonora POSILLICO 131-36A 20TH AVENUE COLLEGE POINT New York 11356 United States 7188784988 mbonora@posillicoinc.com

Martin Bonzel KLEMM Wintersohler Str. 5 Drolshagen 57489 Germany+49 8252 97-1634 m.bonzel@klemm-mail.de

Donald Booker Pile Hammer Equipment 1451 Scenic Hwy Rising Fawn GA 30738 United States 832-808-9919 db@vulcanhammer.comMichael Boone Bechtel 50 Beale St 50/15/A21 San Francisco California 94105 United States 4157682846 mdboone@bechtel.com

Charlie Booth American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-965-5608 charlieb@american-equipment.comCharlie Booth Jr American Equipment / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-438-2626 charlieb@american-equipment.comJason Borella Menard 275 Millers Run Rd Bridgeville Pennsylvania 15017 United States 412-257-2750 jborella@menardusa.comAtte Borgenstrom Robit Finland 358331403400 karl.juntunen@robit.fiDavid Borger Skyline Steel 8 WOODHOLLOW RD STE 102 PARSIPPANY New Jersey 07054 United States 2819924000 sylvana.salgado@skylinesteel.comGiovanni Boschi SIREG Via del Bruo, 12 20862 Arcore (MB) Italy 20862 Italy +39 039 627021 s.blanc@sireg.itGlenn Bot GDB 206 Fielding Road Lively Ontario Canada 705-682-4471 gbot@gdbconstruct.caJoe Boullt Budinger & Associates, Inc. 1101 N. Fancher Road Spokane Valley Washington 99212 United States 509-535-8841 jboullt@budingerinc.comKeri Bourassa R W Conklin Steel Supply, Inc P O BOX 42399 Cincinnati Ohio 45242 United States 513-769-0613 keri@conklinsteel.comTyler Bourdo Trine University One University Avenue Angola Indiana IN 46703 United States 2697160175 tlbourdo11@my.trine.eduJames Bowen Voss Parts 2214 West Euless Euless Texas 76640 United States 817-988-5870 info@vossparts.comTerry Bower Maine Drilling & Blasting 88 Gold Ledge Avenue Auburn New Hampshire 03032 United States 603-232-8508 tbower@mdandb.com

Jim Bower Vecellio & Grogan 2251 Robert C. Byrd Beckley West Virginia 25802 United States 304-252-6575 Jim.Bower@vecelliogrogan.comGeorge Bowers Virginia Tech 111 Patton Hall Blacksburg Virginia 24061 United States 5403156316 bowers07@vt.eduPeter Bowman Advanced Construction Techniques 3935 Lloydtown Aurora Road King Ontario L0M 1T0 Canada 905-939-7755 pbowman@agtgroup.comHenning Boyer ZÜBLIN Inc. 6790 Century Avenue Suite 401 Mississauga Ontario L5V2N8 Canada +14168409524 Henning.Boyer@zueblin.ca

Dave Boyes JJM Construction Ltd. 35199 Skeena Avenue AbbotsfordBritish Columbia v2s7h5 Canada 604-946-0978 dboyes@jjmconstruction.com

Victoria Boyko Deep Excavation 30-62 Steinway Str #188 Astoria New York 11103 United States 206-279-3300 victoria@deepexcavation.comStan Boyle Shannon & Wilson, Inc. PO Box 300303 400 N. 34th Street Seattle Washington 98117 United States 206-695-6863 srb@shanwil.comSean Brady GEI Consultants, Inc. 400 N. Lakeview Parkway Suite 140 Vernon Hills Illinois 60061 United States 847-984-3401 sbrady@geiconsultants.com

John Brakman Hydro-Ram 206 Cummings Road Broussard Louisiana 70518 United States +1 337 837 9224 s.oskam@ihcmerwede.com

Scott BrandenbergDepartment of Civil and Environmental Engineering, UCLA 5731 Boelter Hall University of California Los Angeles California 90095 United States (310) 825-9819 sjbrandenberg@ucla.edu

Ernest Brandl Schnabel Foundation Company 11221 Richmond Avenue Suite C-101 Houston Texas 77082 United States 281-531-1103 ernie@schnabel.comBirgit Brauer Hayward Baker Lakeside California United States sundance2006@sbcglobal.netIngolf Brauer HAYWARD BAKER Lakeside California United States ibrauer@haywardbaker.comCharles Braun Williams Form Engineering Corp. 251 Rooney Rd. Golden Colorado 80401 United States 3032169300 cbraun@williamsform.comPaul Bray Raito, Inc. 23595 Cabot Blvd Suite 106 Hayward California 94545 United States 510-259-9900 pabray@raitoinc.comMegan Brazier Trine University One University Avenue Angola Indiana 46703 United States 4194602594 mkbrazier11@my.trine.eduDavey Breinholt IGES Inc. 12429 South 300 East, Ste. 100 Draper Utah 84020 United States 8017484044 daveyb@igesinc.comBernadette Brennan Winter Equipment Company 1900 Jospeph Lloyd Parkway Willoughby Ohio 44094 United States 800-294-6837 cbacnik@winterequipment.comTracy Brettmann A.H. Beck Foundation Company 12751 South Freeway Houston Texas 77479 United States 713-413-3800 tracy.brettmann@ahbeck.comJean-Louis Briaud Texas A&M University 3136 TAMU, CE/TTI Room 709C College Station Texas 77843 United States 9798453795 briaud@tamu.eduJeremy Bridges Texas Shafts, Inc. PO Box 79218 Fort Worth 76179 United States 817-439-2000 jbridges@texashafts.comAndrew Bridwell University of Missour-Columbia E2509 Lafferre Hall Columbia Missouri 65211 United States 573-882-6269 asvrk6@mail.missouri.eduZane Brink Brink 2950 N Plaza Drive Rapid City South Dakota 57702 United States 605-342-6966 chris@brinkred.comRV Brinkerhoff Foundationdrilling.com PO Box 2010 Canyon Lake Texas 78133 United States 830-935-3344 rv@foundationdrilling.comAmy Brinkerhoff Foundationdrilling.com 168 Mystic Shores Blvd. Spring Branch Texas 78070 United States 832-588-3935 asb@foundationdrilling.comRoberto Brivio Imlmotori Group Lomagna Italy Italy roberto.brivio@imlmotori.itRick Broadrick GMI - division of AVAR 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 rb@groundmod.comDave Brock Mckinney Driliing Ft. Worth Texas dbrock@mckinneydrilling.comJim Brockway Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comImani Brodie Carolina Stalite Company 6877 Hillside Village Circle Salt Lake City Utah 84121 United States 704-637-1515 agabbard@escsi.orgJon Broe PennDrill Manufacturing 24443 Highway 74 Perris California 92570 United States 951-380-2228 jbroe@penndrill.comNic Brooker Pro-Dig 1604 Roseport Road Elwood Kansas 66024 United States 7858562661 nicbrooker@pro-dig.co.ukColin Brooks ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 cbrooks@iceusa.comKevin Brooks Williams Form Engineering Corp. 7601 North Columbia Blvd. Portland Oregon 97203 United States 5032854548 kbrooks@williamsform.comNathan Broulet Boh Bros. Construction 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 ffuchs@bohbros.com

Dave Brown Dawson Construction Plant Ltd. Chesney Wold Bleak Hall Milton KeynesBuckinghamshire MK6 1NE United Kingdom 441908240300 daveb@dcpuk.com

Mike Brown Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 mbrown@ecanet.comHarry Brown Stucchi USA 1107 Windham Parkway Romeoville Illinois 60446 United States 847-956-9720 rmorales@stucchiusa.com

Brigitte Brown University of Wisconsin-Madison1415 Engineering Drive 2243 Engineering Hall Madison Wisconsin 53705 United States 763 458 5253 blbrown@wisc.edu

Pat Brown Caterpillar Inc 300 Hamilton Blvd, LQ1900 Peoria Illinois 61629 United States 3096754329 brown_patrick_t@cat.comDan Brown BO-MAC CONTRACTORS, LTD 4098422125 dan.brown@bo-mac.comDan Brown Dan Brown and Associates 300 Woodland Rd. Sequatchie Tennessee 37374 United States 4237187069 dbrown@danbrownandassociates.comAndrew Brown Geosyntec Consultants 8217 Shoal Creek Blvd Suite 200 Austin Texas 78757 United States 512-451-4003 abrown@geosyntec.com

Patrick Browne Trottier Piling (2004) Ltd 435 Prairie Acres Bay Grande Pointe Manitoba R5A 0A1 Canada 204-330-5102 patrick@trottierpiling.caScott Bruce ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 sbruce@iceusa.comChad Bruce Double Star Drilling 312 Hayes Crescent Acheson T7X 5A4 Canada 7804844276 chad@doublestardrilling.caDavid Bruce Hubbell Power Systems, Inc. 210 North Allen Street Centralia Missouri 65240 United States 573-864-0703 dabruce@hubbell.comDonald Bruce Geosystems, L.P. P.O. Box 237 Venetia Pennsylvania 15367 United States 724-942-0570 dabruce@geosystemsbruce.comWally Brumsey APE/J&M 1345 Industrial Park Rd. Mulberry, Florida 33860 United States 863) 324-0378 wallyb@apevibro.comMark Bruning Buffalo Drilling Co. , Inc. 10440 Main St. Clarence New York 14031 United States 716-570-5136 jsb@barronandassociatespc.com

Will Bryan BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7620 WBryan@bauerpileco.comMark Bryant MPS Civil Products Group 481 Munn Road Suite 300 Fort Mill South Carolina 29715 United States 205-533-1401 mbryant@macleanpower.comAdam Bryant RENSSELAER POLYTECHNIC INSTITUTE 110 8th Street Troy New York 12180 United States 518-276-6941 bryana3@rpi.eduPandorah Brylski Boh Bros. Construction Co.LLC 730 South Tonti Street P.O.Drawer 53266 New Orleans Louisiana 70119 United States 504-821-2400 rbrylski@bohbros.comRon Brylski Boh Bros. Construction Co.LLC 730 South Tonti Street P.O.Drawer 53266 New Orleans Louisiana 70119 United States 504-821-2400 rbrylski@bohbros.comLindsey Sebastian Bryson University of Kentucky 161 Raymond Bldg.

Department of Civil Engineering Lexington Kentucky Kentucky 40506 United States 859-257-3247 sebastian.bryson@uky.edu

Kent Bryson Austin Bank Kilgore Texas kbryson@austinbank.comKatie Buberl Atlantic Caisson Corp. 111 Theatre Road Glen Rock Pennsylvania 17327 United States 717-235-6858 jhanbury@atlanticcaisson.comBruce Budd Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 5616832015 bruce_budd@kellytractor.com

Aaron Budge Minnesota State University, Mankato Mechanical and Civil Engineering205 Trafton Science Center East Mankato Minnesota 56001 United States 507-389-3294 aaron.budge@mnsu.edu

Dave Buescher Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 dbuescher@hammersteel.comMike Bultsma Allied Drilling PO Box 12 Fort Worth Texas 76101 United States 817-483-7272 rebecca@allieddrilling.comKristi Bumpas Red Rock Consulting PO Box 30591 Edmond Oklahoma 73003 United States 4055623328 kkb@redrockgeo.comRex Bunderson Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 rex.bunderson@nicholsonconstruction.comPat Burk JD Fields & Company 55 Waugh Drive Suite 1250 Houston Texas 77007 United States 281 558-7199 pburk@jdfields.comDave Burke HC Matcon Inc. 126 Earl Thompson Rd ayr ontario m8z3n5 Canada 4164578313 jasonw@hcgroup.caMike Burke BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 7136913000 mburke@bauerpileco.comBrent Burman Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States 4122214500 brent.burman@nicholsonconstruction.comGeorge Burnhart Drill Pipe Inc 550 South 3rd Street Winsted Minnesota 55395 United States 763-592-8670 george@drillpipeinc.comJohn Burns Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 jburns@bayshoresystems.comAndrew Burns POSILLICO 131-36A 20TH AVENUE COLLEGE POINT New York 11356 United States 7188784988 aburns@posillicoinc.comGeorge Burrough Condon-Johnson 9685 Via Excelencia Suite 106 San Diego California 92126 United States 8585309165 gburrough@condon-johnson.comScott Burrows Hennessy International, Inc. PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comJohn Bush Gulf Equipment Corp 5540 Business Parkway Theodore Alabama 36582 United States 251-653-5075 jbush@gulfequipment.netJoe Butor Moretrench 189 Jamaica Lane Orlando Florida 32809 United States 4078978562 jbutor@moretrench.comJames Buttles MENCK 900 Threadneedle ste. 300 Houston Texas 77079 United States 832-399-5062 james.buttles@menck.comDouh Byers Landstar Transportation Boerne Texas 78006 dbyers@landstar.comBrent Byford Hayward Baker 1350 W. Lake Street Roselle Illinois 60172 United States 630-339-4300 bmbyford@haywardbaker.comMichael Byle Tetra Tech 27 Windy Knoll Drive Richboro Pennsylvania 18955 United States 215-439-1230 michael.byle@tetratech.comBob Byrne Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 561-683-2015 bob_byrne@kellytractor.comMIke Byrne Simpson & Brown Cranford New Jersey 07016 mbyrne@simpsonandbrown.comSantiago Caballero The University of Texas at Arlington 1225 S Pecan Apt 311 Arlington Texas 76013 United States 7143504424 santiago.caballero@mavs.uta.eduArmand Caballin Hammer & Steel, Inc. P.O. Box 1096 Benicia California 94510 United States 707-746-7820 acaballin@hammersteel.comAshly Cabas Virginia Tech 1000 Houndschase Ln Apt D Blacksburg Virginia 24060 United States 5405536403 amcabas@vt.edu

Rick Cable Dominion Pipe 6845 Tilbury Rd DeltaBritish Columbia V4G 0A3 Canada 604-946-2655 rick.cable@dominionpipe.ca

Kevin Cable Eskridge 1900 Kansas City Road Olathe Kansas 66061 United States 913-980-1953 kevincable@eskridgeinc.comAlejandro Cabrera University of the Pacific 1733 Grassland Way Modesto California 95358 United States 2095316867 a_cabrera2@u.pacific.eduDean Cacio R.W. Harris, Inc. 12300 44th St. N Clearwater Florida 33762 United States 727-572-9200 dean@rwharrisinc.comAllen Cadden Schnabel Engineering, Inc. 1380 Wilmington Pike West Chester Pennsylvania 19382 United States 6106966066 acadden@schnabel-eng.comDaniel Cadenhead Hayward Baker 1870 Cordell Court Suite 212 El Cajon California 92020 United States 6194433891 dcadenhead@haywardbaker.comJames Cahill Case foundation Company 850 Cassatt Road Berwyn Pennsylvania 19312 United States 610-353-0600 jjcahill@casefoundation.comChunsheng Cai LSU 3418 PTH Baton Rouge Louisiana 70803 United States 2259213031 cscai@lsu.edu

Leonardo Calderon Lainco S.A. de C.V. España 2099 Col. Moderna Guadalajara Jalisco 44190 Mexico011523336159510 contacto@lainco.com.mx

Pablo Calderon Lainco S.A. de C.V. España 2099 Col. Moderna Guadalajara Jalisco 44190 Mexico011523336159510 contacto@lainco.com.mx

Chris Caldwell GR Birdwell Construction 9721 Derrington HOUSTON Texas 77064 United States 2816447924 chris.caldwell@grbirdwell.comMichael Caliebe Brennan Industries 525 Garden Oaks Blvd. Houston Texas 77018 United States 4698534036 mcaliebe@brennaninc.com

Sean Callan Advanced Geosolutions Inc 13 Orchard Road, Suite 105 Lake Forest California California 92630 United States 3107969000 sgcallan@advgeosolutions.comScott Callaway Cajun Deep Foundations, LLC 15635 Airline Hwy Baton Rouge Louisiana 70817 United States 2257541369 scottc@cajunusa.comBrian Calligan Hawaiian Dredging Construction Company P.O. Box 4088 Honolulu Hawaii 96812 United States 8087353211 bcalligan@hdcc.comSara Calligan Calligan Systems 1745 Ivy Street Denver Colorado United States sjoy1974@gmail.com

Jeff Calow Equipment Sales & Service 1030 Martin Grove Road Toronto Ontario M9W 4W3 Canada 416-249-8141 jcalow@essltd.comLuis Camacho Cal State Fullerton 12818 Shreve Rd. Whittier California 90602 United States 5626869204 luiscamacho2185@yahoo.comSergio Camarena Russo Corporation 333 Sansom Blvd. Saginaw Texas 76179 United States 817-566-7370 Scamarena@russocorp.comGeorge Cambourakis Structural Engineering Technologies, P.C. 40-12 28th Street Long Island City New York 11101 United States 718-706-7196 structuralet@aol.comShelley Cameron Condon - Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 510-636-2100 mmadura@condon-johnson.comWilliam Camp S&ME, Inc. 620 Wando Park Blvd Mount Pleasant South Carolina 29482 United States 8438840005 bcamp@smeinc.comDenise Campbell PennDrill Manufacturing 500 Thompson Ave McKees Rocks Pennsylvania 15136 United States 814-938-1250 dcampbell@penndrill.comJim Campbell PND Engineers, Inc. 1736 4th Ave S Suite A Seattle Washington 98134 United States 206-624-1387 jcampbell@pndengineers.comRuss Campbell Condon - Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 510-636-2100 mmadura@condon-johnson.comSean Campbell FSI Geocon 881 Hatcher Road Bethel Heights Arkansas 72764 United States 4793876016 sean.campbell@fsigeocon.comKyle Camper Hayward Baker Inc. 1350 W. Lake Street Roselle Illinois 60172 United States 630-339-4317 kecamper@haywardbaker.com

Bravilo Campos Hercules Construcciones Lago Huron 6729 Logo del Bosque Monterrey N.L. CP 64890 Mexico bravilo_campos@hotmail.comGreg Canivan S&ME, Inc. 620 Wando Park Blvd. Mt. Pleasant South Carolina 29464 United States 843-884-0005 gcanivan@smeinc.comJenn Canning Geo-Institute Reston Virginia jcanning@asce.orgBobby Cannon DSI Underground Systems 145 Ardenlee Drive Peachtree City Georgia 30269 United States 770 631 1449 bobby.cannon@dsiunderground.comMichael Cantarella American Equipment Leasing, Inc. 120 Halton Road Suite 10 Greenville South Carolina 29607 United States 864-288-9001 mikec@aelbf.comHoc Cao Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonuse.comHUAMIAO CAO University of Texas at Austin 7117 Wood Hollow Dr. Apt 1932 Austin Texas 78731 United States 5126321596 caohuamiao@hotmail.comRiccardo Cappa UC Irvine 7519 Palo Verde Rd Irvine California 92617 United States 9493268910 rcappa@uci.eduLaurie Capps Texas Shafts PO Box 79218 FOrt Worth Texas 76179 United States 817-917-9000 ballen@texashafts.com

Drew Caracciolo ASCE 1801 Alexander Bell Drive Reston Virginia20191-4382 United States 703-295-6087 dcaracciolo@asce.org

Anita Cardenas Foundationdrilling.com PO Box 2010 Canyon Lake Texas 78133 United States 830-935-3344 rv@foundationdrilling.comMark Careyva Case Foundation 850 Cassatt Road, Suite 370 Berwyn Pennsylvania 19312 United States 2244569635 mcareyva@casefoundation.comKevin Cargill Schnabel Foundation Compant 45240 Business Ct. Ste. 250 Sterling Virginia 22152 United States 703-742-0020 kevin@schnabel.comEthan Cargill ConeTec, Inc. 3612 Locust Court Quinton Virginia 23141 United States 8049665696 ecargill@conetec.comAlex Carlson PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-845-2540 acarlson@pengoattachments.comScott Carlson Balfour Beatty 107 Sourthern Blvd, Suite 201 Savannah Georgia 31405 United States 843-321-1731 scarlson@bbiius.comJohn Carmack GeoStabilization International po box 4709 Grand Junction Colorado 81502 United States 970-210-6170 john.c@gsi.usKyle Carmody Case Foundation Roselle Illinois ktcarmody@casefoundation.com

Boris Caro Vargas Nicholson Construction 15603 E. Fremont Drive Centennial Colorado 80112 United States 4128602973 boris.carovargas@nicholsonconstruction.comJoe Carobine ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 jcarobine@iceusa.comMark Caron Pinnacle Drilling Products LP 5037 Still Creek Ave Burnaby BC V5C 5V1 Canada (604)678-8508 mark@pinnacledrilling.ca

Brenda Caron Control Chemical (1989) Corp. / Matex 7016 30 ST S.E. CalgaryAlberta/Canada T2C 1N9 Canada 4037207044 brenda@controlchemical.com

Don Carosello Pittsburgh Pipe 170 Humboldt Ave Saint Louis Missouri 63147 United States 314-383-5300 Dcarosello@pittsburghpipe.com

JimCarpenter, PE, MSCE ECS Corporate Services, LLC 5433 Braddock Ridge Drive Centreville Virginia 20120 United States 571-299-6002 jcarpenter@ecslimited.com

Yuliana Carrillo Cal State Fullerton 1900 wilow rd arroyo grande California

California/United States 93420 United States 8054063990 carrilloyuli@csu.fullerton.edu

Scott Carroll A H BECK FOUNDATION CO. 6012 E Columbus Dr Tampa Florida 33619 United States 8135462225 scott.carroll@ahbeck.comTerrence Carroll Arup 77 Water Street New York New York 10005 United States 2128971553 terrence.carroll@arup.comLake Carter Geopier Foundation Company lcarter@geopier.com

Simone Casagrande Hütte Bohrtechnik GmbH Ziegeleistraße 36 Olpe NRW 57462 Germany 0049 2761 96440 s.koch@casagrandegroup.comJim Casavant APE/J&M 1345 Industrial Park Rd. Mulberry Florida 33860 United States 863) 324-0378 jimc@apevibro.comJorge Castaneda PLI Systems, Inc. 3045 SE 61st Ct. Hillsboro Oregon 97123 United States 503-649-8111 jorge@plisystems.comMAURICIO CASTANO INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 MCASTANO@IDEDRILLS.COMRay Castelli Parsons Brinckerhoff One Penn Plaza New York New York 10119 United States 212-465-5212 castelli@pbworld.comJoe Cavey Hayward Baker, Inc. 9 Whipple Street Unit 1 Cumberland Massachusetts 02864 United States (401) 334-2565 jkcavey@haywardbaker.comChris Cayce MKT Manufacturing Inc 1198 Pershall Rd St. Louis Missouri 63137 United States 3143882254 ccayce@mktpileman.comJoe Caywood Terex Utilities 500 Oakwood Road Watertown South Dakota 57201 United States 6058824000 joe.caywood@terex.comTim Cellar Drillers' Choice, Inc. 16 Copicut Rd. Assonet Massachusetts 02702 United States 401-694-1283 timc@drillerschoiceinc.comAllen Cellar Drillers' Choice, Inc. 1849 Candy Lane Suite B Marietta Georgia 30008 United States 7704207051 allenc@drillerschoiceinc.com

Amy Cerato University of Oklahoma 202 W. Boyd Street, Room 334 Norman Oklahoma 73019 United States 405-313-8937 acerato@ou.eduMia Cerato-Leary University of Oklahoma 906 80th Ave SE Norman Oklahoma 73026 United States 405-313-8937 acerato@ou.eduSophie Cerato-Leary University of Oklahoma 906 80th Ave SE Norman Oklahoma 73026 United States 405-313-8937 acerato@ou.eduJoselyn Cerba Cerbits Mexico City j.cerbits@gmail.comAntonio Cerba Cerbits Mexico City j.cerbits@gmail.comPablo Cerda Jr. BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7619 PCerda@bauerpileco.comBora Cetin University of Georgia 501 East Saint Joseph Street Rapid City South Dakota 57702 United States 13366861361 bora.cetin@sdsmt.eduHAKAN CEVIK OZKANLAR HIDROLIK MAKINA IMALAT LTD SINCAN OSB, ANADOLU CAD. NO:7 ANKARA TURKEY 06930 Turkey +905335994269 hakancevik@ozkanlarmakina.com.tr

Halil Ceylan Iowa State University Civil & Environmental Engineering Dept.

406 Town Engineering Bldg, Iowa State University Ames Iowa

50011-3232 United States 515-294-8051 hceylan@iastate.edu

Ken Chadwick Moretrench 100 Stickle Ave Rockaway New Jersey 07866 United States 973-627-2100 kchadwick@mtaq.comBob Chalfa Foundationdrilling.com PO Box 2010 Canyon Lake Texas 78133 United States 859-230-3090 bob@foundationdrilling.comBobby Chalfa, Jr. AVAR Const. / Stressteel Inc. P.O. Box 65 Bonita California 91902 United States bobbychalfa@yahoo.comRob Chambers Dimension Fabricators 2000 7th Street Scotia New York 12302 United States 518 374 1936 rzobb513@yahoo.comJonathan Chandler Mason Construction PO Box 20057 Beaumont Texas 77720 United States 409-842-4455 jchandler@masonconstruction.com

Roger Chandler Keynetix Systems House Burnt Meadow Road Redditch B98 9PA United Kingdom 0152768888 roger.chandler@keynetix.comChelvarajah Chandran CH2M HILL 6 Wedgewood Irvine California 92620 United States 714-435-6111 cyoga.chandran@ch2m.comRENQI CHANG FES CHINA LTD 1-403, NO.71 WENZHOU RD HANGZHOU 310015 China 8657128027060 benyu@fes-cn.comDAN CHANG university of Kansas 1450 Jayhawk Blvd. Lawrence Kansas 66045 United States 7855050342 danchang2014@ku.eduClint Chapman Trinity Expanded Shale and Clay 11728 Highway 93 Boulder Colorado 80308 United States 303-499-1010 info@escsi.orgDoug Chappell Wurster Engineering & Construction 34 Carrie Drive Greenville South Carolina 29615 United States 8646277751 doug.chappell@wursterinc.comChase Chappelle Malcolm Drilling Company Inc 8701 S 192 St Kent Washington 98031 United States 2533953300 cchappelle@malcolmdrilling.comRoger Charland GeoRocFor inc. 165 Joseph-Robertson Sherbrooke Québec J1L 2W7 Canada 819-569-4207 roger@georocfor.caMuguette Charland Geo Roc For Inc. 165 Joseph-Robertson Sherbrooke Quebec J1C 2W7 Canada muguette8georocfor.caLuc Charland GeoRocFor inc. 165 Joseph-Robertson Sherbrooke Québec J1L 2W7 Canada 819-569-4207 roger@georocfor.caMichael Charlton Pro-Dig 1604 Roseport Road Elwood Kansas 66024 United States 7858562661 mac@pro-dig-usa.com

Manoher Chawla Chawla and Associates, INc. 6432 North Le Mai Avenue Chicago Illinois60646-2924 United States (312) 726-7812 msschawla@yahoo.com

Lu Chen Layne Christensen Company 6811 Ash Street Frisco Texas 75034 United States 972-247-6767 lu.chen@layne.com

Jiannan Chen University of Wisconsin-Madison1415 Engineering Drive 1217 Engineering Hall Madison Wisconsin 53705 United States 608 381 1498 jchen229@wisc.edu

Jinbo Chen The University of Texas at Austin 01 E. Dean Keeton St. Stop C1700 Austin Texas78712-0273 United States 512-954-7477 cvechenjinbo@utexas.edu

Shengli Chen LSU Louisiana State University Baton Rouge Louisiana 70803 United States 225-578-2432 shenglichen@lsu.eduShawn Cheney Atlas Copco shawn.cheney@us.atlascopco.comWilliam Cheng AGL Manufacturing Ltd. 8378 Prince Edward Street Vancouver V5X 3R9 Canada 6042671716 william@aglmfg.comTianjian Cheng University of Texas - Austin Austin Texas tjcheng.ok@utexas.edu

HARIPRASAD CHENNARAPU IIT Hyderabad Yeddumaialram ODF Hyderabadtelangana 502205 India 919985890022 hariprasadiith@gmail.com

Meryl Cherchia RENSSELAER POLYTECHNIC INSTITUTE 110 8th Street Troy New York 12180 United States 518276-6941 chercm@rpi.eduLucky Chhoeun Caisson Consultant Inc 28 Allaura Blvd Unit 1 Aurora Ontario L4G3S5 Canada 647-926-2075 lucky@caissonconsultant.comSean Chiang Ground Engineering Consultants, Inc. 7393 Dahlia Street Commerce City Colorado 80022 United States 303-289-0989 sean.chiang@groundeng.comMarco Chiarabelli SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-965-2575 m.chiarabelli@trevispa.comEdoardo Chiarelli New York Concrete Corp. 708 Sharrotts Road Staten Island New York 10309 United States 7189673720 echiarelli@newyorkconcrete.comChris Chick FRC CONSTRUCTION Post Office Box 69 Iredell Texas 76649 United States 9726724490 cchick@frctex.comJim Chilcot GA/FC Wagman 3290 N Susquehanna Trail York Pennsylvania 17406 United States 717-764-8521 Jgchilcot@wagman.comMauro Chinchelli Layne 6811 Ash St Frisco Texas 75064 United States mauro.chinchelli@layne.com

Bhaskar Chittoori Boise State University 1910 University Dr MS 2060 Boise Idaho83725-2060 United States 2084263794 bhaskarchittoori@boisestate.edu

Scott Chmielarski Berkel and Company 2415 Horseshoe Lane Richmond 77406 United States 8329818111 schmielarski@berkelapg.com

Hyoung-Kwon Choi EXT SeoulSouth Korea South Korea 201-568-1951 choi@terradol.com

Steve Choi Terradol Civil 467 Sylvan Ave Suite 101 Englewood Cliffs New Jersey 07632 United States 201-568-1951 choi@terradol.comNazmul Chowbur nazmul.chowdhur@smail.astate.eduBrandon Christensen Case Pacific Company 2121 Ardmore Road Paso Robles California 93446 United States 805-237-8851 accounting@casepacific.comEd Christensen Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.com

Stephen Christopherson Remedial Construction Services, L.P. 9977 W. Sam Houston Pkwy N. Houston Texas 77064 United States 2816641151 steve.christopherson@reconservices.comMarcelo Chuaqui Monir Precision Monitoring Inc. 2359 Royal Windsor Drive Unit 25 Mississauga Ontario L5J4S9 Canada 905-822-0090 marcelo@monir.caEric Chudzik Montabert W243 N2736 Single Tree Dr. Pewaukee Wisconsin 53072 United States 262-290-1128 eric.chudzik@montabert.comJason Church HC Matcon Inc. 126 Earl Thompson Rd ayr ontario m8z3n5 Canada 4164578313 jasonw@hcgroup.caMichael Cianchetti Deep Foundations Contractors Inc. 145 Ram Forest Rd Stouffville Ontario L0H 1G0 Canada 9057505833 mike@deep.caAndrew Ciancia Langan 360 West 31st Street 8th Floor New York New York 10001 United States 212-479-5400 aciancia@langan.comGiorgio Cibien Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 g.cibien@casagrandegroup.comJana Cicerello University of the Pacific 4632 North Granada Lane Linden California 95236 United States 925-864-1385 j_cicerello@u.pacific.eduJeff Ciullo Aldridge Electric 844 east rockland road libertyville Illinois 60048 United States 8472765999 abradley@aldridge-electric.comJim Claeys Michels Corporation PO Box 128 Brownsville Wisconsin 53006 United States 920-583-1441 jclaeys@michels.usJeremy Clark BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7645 JClark@bauerpileco.comJOEL CLARK HAYWARD BAKER 7550 TEAGUE RD STE 300 HANOVER Maryland 21076 United States 9722945000 jclark@haywardbaker.comJulia Clarke Fugro Consultants, Inc. 6100 Hillcroft Street Houston Texas 77081 United States 713-369-5400 jpclarke@fugro.comJose Clemente Bechtel Power Corporation 5275 Westview Drive Frederick Maryland 21703 United States 301-228-7646 jlclemen@bechtel.comTaylor Cline University of Mount Union 1972 Clark Avenue Alliance Ohio 44601 United States 440-339-8539 clinetm@mountunion.eduMarcello Clo CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 marcello.clo@czm.com.brDalvio Clo CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 dalvio.clo@czm.com.brMarcos Clo CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 Marcos.clo@czm.com.brGiuliano Clo CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 Giuliano.clo@czm.com.brWayne Close Hastings Machine Company 192 Haida Avenue Hastings Pennsylvania 16646 United States 814-659-5160 wclose@hastingsmachine.comJim Close CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 jim.close@czm-us.comNancy Close CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 giuliano.clo@czm.com.brWayne Clough Smithsonian Institute 5 Conifer Circle, NE Atlanta Georgia 30342 United States 404 869 3808 cloughw@si.eduBob Coak Control Chemical/Matex Products 7016 30th Street SE Calgary Alberta T2C1N9 Canada 403-720-7044 bobcoak@controlchemical.comMike Coakley HCM Contractors Inc 403-2484-884 mikec@hcmc.caDoug Cobos Decagon Devices 2365 NE Hopkins Court Pullman Washington 99163 United States 5093322756 doug@decagon.comCJ Coccia UNIVERSITY OF COLORADO Boulder Colorado coccia@colorado.edu

Bernie Coderre Atco Electric 10405 Jasper Avenue Edmonton Alberta Canada T5J3N4 Canada 780-991-5721 bernie.coderre@atcoelecric.comJoseph Coe Temple University 1947 N. 12th St., Room 524 Philadelphia Pennsylvania 19122 United States (215)204-6100 joseph.coe@temple.eduKimble Coffey Beaty Construction Co. Inc. 5292 W 100 North Boggstown Indiana 46110 United States 317-835-2254 kcoffey@beatyinc.comChandler Coffey Case Foundation 1325 W. Lake Street Roselle Illinois 60172 United States 630-529-2911 cccoffey@casefoundation.comRick Coffman UNIVERSITY OF ARKANSAS 4190 Bell engineering Center Fayetteville Arkansas 72701 United States 4795758767 rick@uark.eduKelly Anne Cohane GEI Consultants 400 Unicorn Park Drive Woburn Massachusetts 01801 United States 781-721-4000 kcohane@geiconsultants.comAdam Cohen Anora Foundations Pty Ltd PO Box 3282 Darra Brisbane 4076 Australia 0407307846 todd.scudamore@anora.com.auBlaine Colbert Sharp's Construction 3911 - 82nd Ave Leduc Canada T9E 8M3 Canada 780-446-2771 bcolbert@sharpsconstruction.comKevin Cole RDI Foundation Drilling 20810 Fernbush Houston Texas ACook@texassterling.com

Mike Coleman Liebherr-Canada Ltd. 1015 Sutton Drive Burlington Ontario L7L 5Z8 Canada +1-905-319-9222 mike.coleman@liebherr.comDavid Coleman Underpinning & Foundation Skanska 46-36 54th Road Maspeth New York 11378 United States 718-786-6557 david.coleman@skanska.comClay Collard DEEP Foundations, LLC 18615 Hwy 66 Pacific Missouri 63069 United States 636-393-0639 Clay@DEEPfoundationsllc.comJames Collier Certified Foundations, Inc. 1306 Banana Rd Lakeland Florida 33810 United States 863-859-3889 jcollier@cfi-1.comJim Collin The Collin Group 7445 Arlington Rd. Bethesda Maryland 20814 United States 301-907-9501 jim@thecollingroup.comJason Collins University of Missour-Columbia E2509 Lafferre Hall Columbia Missouri 65211 United States 573-882-6269 jtchw6@mail.missouri.edu

Michael Collins Lester Publications, LLC 140 Broadway 46th Floor New York New York Manitoba 10005 United States 877-953-2197 mcollins@lesterpublications.comDan Collins APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 danc@apevibro.comBruce Colson ESC Pile 18 Augusta Pines Dr Spring Texas 77389 United States 281-205-7261 brucecolson@escpilechina.comMark Colvin Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 mcolvin@hammersteel.comPasqualino Comacchio Commacchio / ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 marketing@comacchio-industries.itSonny Combs West Coast Drilling 1350 Willow Ave Hercules California 94547 United States 510-245-0556 sonnywcd@aol.comDario Comi IML Motori Lomagna Italy Italy dario.comi@imlmotori.itGeorge Compton Construct Marketing, LLC 7032 South 196th St. Newton New Jersey 98032 United States 253) 872-0141 FranciscoJ@apevibro.comJeremy Condon Condon-Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 5106362100 jcondon@condon-johnson.comJon Conety GOETTLE 12071 Hamilton Avenue Cincinatti Ohio 45231 United States - jconety@goettle.comBarbara Connett Industrial Fabrics Association International 1801 County Road B West Roseville Minnesota 55113 United States 651 225 6914 bjconnett@ifai.comTom Connor Consolidated Pipe & Supply Company 650 Sentry Parkway, Suite One Blue Bell Pennsylvania 19422 United States 610-941-2110 tconnor@consolidatedpipe.comEtienne Constable RST Instruments Ltd. 1586 Mira Mar Ave. Seaside California 93955 United States 831-899-1632 econstable@rstinstruments.com

Ivan Contreras Barr Engineering Co 4700 West 77th Street Minneapolis Minnesota 55435 United States 9528322882 iac@barr.comJoshuah Contreras Arizona State University 1151 S. Forest Ave. Tempe Arizona 85281 United States 6233637778 joshuah.contreras@asu.eduJoel Conzelmann University of Michigan 1117 White Street Ann Arbor Michigan 48104 United States 6169146976 jtconzy@umich.eduShelby Cook Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 scook@lfdc.comCurtis Cook Hayward Baker, Inc 5461 W. Waters Ave suite 900 Tampa Florida 33634 United States 813-844-3441 crcook@haywardbaker.comAllen Cook RDI Foundation Drilling 20810 Fernbush Houston Texas ACook@texassterling.comChris Cooler Davey Drill 200 West Williams St. Kent Ohio 44240 United States 330-673-5400 c.cooler@daveykent.comBrad Cooley University of Missour-Columbia E2509 Lafferre Hall Columbia Missouri 65211 United States 573-882-6269 bwc6y5@mail.missouri.eduSteve Cooper Sterling Lumber Company 501 E. 151st Street Phoenix Illinois 60426 United States 7083882223 Stevec@sterlinglumber.comRussell Cooper Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States (412) 221-4500 russell.cooper@nicholsonconstruction.com

Adrian Cooper BSP International Foundations Gipping Road Gt Blakenham Ipswich England IP6 ONL United Kingdom 01473830431 acooper@bspif.co.ukDave Cooper Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 dcooper@thatcherfoundations.com

Adrian Cooper BSP Internataional Foundations Ltd. Claydon Business Park Gt Blakenham Ipswich Suffolk IP6 0NL United Kingdom +441473830431 acooper@bspif.co.ukAndy Copeland Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comEd Corbett APE/J&M 50 Gerber Industrial Drive St. Peters Missouri 63376 United States 636) 397-8400 edc@apevibro.comMarty Corcoran Corman Marine Construction 711 East Ordnance Road Baltimore Maryland 21226 United States 410 424 1870 mcorcoran@cormanmarine.comBOBBY CORDELL INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 BCORDELL@IDEDRILLS.COMIsrael Cormier 600 Ch Saint-Louis Buckland GoR 1Go Canada iscormier@gmail.comMichael Cornelius Cornelius Consultants, Inc. 3200 Corte Presidio Carlsbad California 92009 United States 760-519-3891 michael@corneliusconsultants.comAlejandro Coronado Southern Methodist University 13406 Castleton dr Dallas Texas 75234 United States 469-618-6861 acoronado@smu.eduChris Corp APE/J&M 2985 Loomis Rd. Stockton California 95205 United States 209) 942-2166 chrisc@apevibro.comJohn Corradetti Case Foundation 1325 W. Lake Street Roselle Illinois 60172 United States 630-529-2911 jcorradetti@casefoundation.comDario Corso Condon - Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 510-636-2100 mmadura@condon-johnson.comAgustin Costabella Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertson@oscarordunoinc.com

Banain Cote Innovative Piling Solutions 201-9th Street North MartensvilleSaskatchewan S0K2T0 Canada 13063843700 banain@innovativepiling.com

Bridger Cottle Drilling Fluids Solutions 1502 Tuley St. Cedar Hill Texas 7510 United States 801-791-3201 brcottle@gmail.comPaul Coupland Sis Geo North America 24 A Celestial Drive Narragansett Rhode Island 02882 United States 401-258-8848 paul.coupland@sisgeo-northamerica.comJason Courtney Helitech Civil Construction Division 8251 Bunkum Road Kaseyville Illinois 62232 United States 618-410-3456 jasoncourtney@helitechonline.comMichael Cowell GeoStructures 413 Browning Court Purcellville Virginia 20132 United States 703-771-9844 mcowell@geostructures.comBen Cowger Bechtel Equipment Operations, Inc. 1006 Park West Drive Sugar Land Texas 77478 United States 281637267 bacowger@bechtel.comDan Cox Kelly Tractor Co 330 Hutchings Lane Henderson Nevada 89074 United States (702) 321-6688 daniel_cox@kellytractor.comAllen Cox Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comBen Cox Mississippi State University 235 Walker Hall 501 Hardy Road Mississippi State Mississippi 39762 United States 601-384-7513 bcc115@msstate.eduBrady Cox University of Texas 301 E Dean Keeton Stop C1792 ECJ 9.227 Austin Texas 78712 United States 512-471-9162 brcox@utexas.eduEli Cox KS/Bit PO Box483 Benton Illinois 62812 United States 618-9241667 eli@ksbit.comJames Cox CTL Thompson, Inc. 1971 West 12th Avenue Denver Colorado 80204 United States 303-825-0777 jcox@ctlthompson.comKen Craig Farm & Ranch Construction LLC PO Box 69 Iredell Texas 76649 United States 512-484-3981 cmorris@frctex.comKevin Craven CZM Foundation Drills P.O. Box 50 Feversham Ontario N0C 1C0 Canada 2269807625 kevin@rockremovalsupplies.comJason Crawford Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 jcrawford@lfdc.comDustin Crea IFS, Inland Foundation Specialties 6931 Supply Way Boise Idaho 83705 208-345-9508 dustincrea3@gmail.comAl Creighton Creighton Rock Drill LTD. PO Box 13886 Roanoke Virginia 24038 United States 5403449939 Al@creightonrock.comSteve Cress APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 stevec@apevibro.comScott Crews ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 screws@iceusa.com

Morgan Cronin Equipment Sales & Service 1030 Martin Grove Road Toronto Ontario M9W 4W3 Canada 416-249-8141 mcronin@essltd.comBrooks Crossman Atlantic Metrocast Inc P O Box 340 Portsmouth Virginia 23705 United States 757-397-2317 bvcrossman@atlanticmetrocast.comBill Crossman Atlantic Metrocast Inc P O Box 1608 Savannah Georgia 31402 United States 912-966-7032 wcrossman@atlanticmetrocast.comRuth Cruz DYWIDAG Systems International 320 Marmon Drive Bolingbrook Illinois 60440 United States 6303011314 anna.dexter-thornton@dsiamerica.comRuth Cruz Dywidag Systems International 2154 South Street Long Beach California 90805 United States (562) 531-6161 ruth.cruz@dsiamerica.comFAIK CUCEOGLU Virginia Tech 113 Hearthstone Dr. Apt A, Blacksburg Virginia 24060 United States 540 5143134 faik48@vt.eduRob Culver Kiewit Foundations Group 302 S. 36t St. Suite 400 Omaha Nebraska 68131 United States 402-280-6005 rob.culver@kiewit.comRebecca Cummins Texas A&M University 2250 Dartmouth #815 College Station Texas 77840 United States 2817932768 rebeccacummins3@gmail.comChristian Cunningham ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 ccunningham@iceusa.comTom Cunningham ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 tcunningham@iceusa.comShawn Cunningham Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 scunningham@ecanet.com

John Cunningham Alder Geotechnical Services 3910 NE 10th Ave Portland Oregon 97212 United States 5032827482 john@aldergeo.comPollyanna Cunningham ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 pcunningham@iceusa.comMichael Curie CASE FOUNDATION Clearwater Florida mtcurie@casefoundation.comMichael Cutrone AUGER SERVICES, INC. Gonzales Louisiana United States 2256479233 MCUTRONE@augerservices.comTony Cuzela Brink 2950 N Plaza Drive Rapid City South Dakota 57702 United States 605-342-6966 chris@brinkred.comSylvain Dallaire Construction Audet & Knight 140 Jacques-Bibeau Street Rouyn-Noranda Québec J9Y0A3 Canada 819-764-4666 sylvaindallaire@audetknight.comRay Damron Allied Drilling PO Box 12 Fort Worth Texas 76101 United States 817-483-7272 rebecca@allieddrilling.comSteven D. Dapp Dan Brown Associates 300 Woodland Rd Sequatchie Tennessee 37374 United States 423-718-8847 sdapp@danbrownandassociates.comHerbert Darling III Herbert F. Darling, Inc. 131 California Dr. Williamsville New York 14221 United States 716-632-1125 bdarling@hfdarling.comWesley Darter Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comLisa Dasbach Beaver Bits Spring Texas gerald@redrockusa.comGerald Dasbach Beaver Bits Spring Texas gerald@redrockusa.com

Derrick Dasenbrock Minnesota Department of Transportation 1400 Gervais AveMaterials and Road Research Maplewood Minnesota 55109 United States 651-366-5597 derrick.dasenbrock@state.mn.us

Steve Davidow Crux Engineering Group 4308 N Barker RD Spokane Washington 99027 United States 509-892-9409 sdavidow@cruxeg.comJohn Davie Bechtel Power Corporation 5275 Westview Drive Frederick Maryland 21703 United States 301-228-7647 jdavie@bechtel.comSteve Davies Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 steve.davies@nicholsonconstruction.comZoe Davies Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 Zoe@digga.comBrandon Davis Beaty Construction, Inc. 5292 W. 100 N. Boggstown Indiana 46110 United States 317-835-2254 bdavis@beatyinc.comJeff Davis Agate Construction Co., Inc. 1030 Route 83 Clermont New Jersey 08210 United States 6096249090 jdavis@agateconstruction.netSean Davis Lester Publications, LLC 140 Broadway 46th Floor New York New York 10005 United States 866-953-2190 sdavis@lesterpublications.comJimmie Davis Mason Construction 6285 Walden Rd Beaumont Texas 77707 United States 09-55-4865 le@masonconstruction.netChris Davis Trident Construction Ltd 21 Dundee Ave Mount Pearl NL A1N 4r6 Canada 7093687331 chrisdavis123@hotmail.comBen Davis University of Arkansas 788 W. Rainbow Dr. Apt 4 Fayetteville 72703 United States 913-485-0941 bjd002@uark.eduBilly Davis Farm & Ranch Construction LLC PO Box 69 Iredell Texas 76649 United States 512-484-3981 bdavis@frctex.comOlivia Davis Cal Poly San Luis Obispo 171 Ramona Drive San Luis Obispo California 93405 United States 619-410-9331 oldavis@calpoly.eduColby Davis Massman Construction 8901 State Line Road Suite 240 Kansas City Missouri 64114 United States 8165231000 cdavis@massman.netSid Davis F & W Construction Co. Foundation Dviision 1875 Mitchell Rd. Suite D Mableton Georgia 30126 United States 4046992725 jsiddavis@cs.comChuck Davis Liebherr Houston Texas chuck.davis@liebherr.comTayler Day University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 2173712185 tayler.j.day@mail.missouri.edu

Kevin Day Axiom Foundations, LLC7427 Matthews Mint Hill Rd Ste 105-

253 Mint Hill North Carolina 28227 United States 803-548-1480 kday@axiomfoundations.com

Anirban De Manhattan CollegeCivil & Environmental Engineering Department Manhattan College Bronx New York 10471 United States 718-862-7175 anirban.de@manhattan.edu

Rob De Francis GMI - division of AVAR 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 rd@droundmod.comSakkie De Jager Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States (209) 534-6349 sakkie_jager@kellytractor.comHubert Deaton Schnabel Foundation Company 45240 Business Court SUITE 250 Sterling Virginia 20166 United States 7037420020 hubert@schnabel.comScott Deaton Dataforensics 6825 Jimmy Carter Blvd #1210 Norcross Georgia 30071 United States 6784060106 sdeaton@dataforensics.netKristof DeDecker SkyMan USA 421 Guildford Avenue Chambersburg Pennsylvania 17201 United States 7173317601 michelle.clugston@sky-man.comJimmy Deemer APE/J&M 500 Newtown Rd. #200 Virginia Beach Virginia 23462 United States 757) 518-9740 jimmyd@apevibro.comRob DeFrancis Ground Modification & Improvement Freemont California rdefrancis@groundmod.comKris DeGiacomo CM Labs Simulations Montreal QC H3C 1T2 Canada kris@cm-labs.comJason Degitz paradise excavation and const. 17330 willis nrd caldwell Idaho 83607 United States 208-941-6504 jason@paradiseexcavation.comBrandon DeGracia Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 bd@groundmod.com

Dag Dejene Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 marcus.galvan@txdot.gov

Tyson Deklavs Hayward Baker, Inc. 509 N. Sam Houston Parkway E. Suite 300 Houston Texas 77060 United States 2816681870 TEDeklavs@haywardbaker.com

Liliana Del Rio Gandara Cristobal de Olid 489 Reforma Veracruz 91919 Mexico +52 229 10 02 01 rafael@gandara.com.mxChris DellAringa Blue Iron Inc 4300 campus drive newport beach California 92660 United States 9492655991 chris@blueironinc.comDavid Delorme Robit inc 639 W Diversey Pway Suite#222 Chicago Illinois 60614 United States 2244013974 david.delorme@robit.fiSusan DeLozier K&D Construction P.O. Box 31 Chelsea Oklahoma 74016 United States 918-636-1808 N444KD@yahoo.comMark DeLozier K&D Construction P.O. Box 31 Chelsea Oklahoma 74016 United States 918-636-1808 N444KD@yahoo.com

John Delphia Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 john.delphia@txdot.gov

Maria DeLussey BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7653 MariaD@bauerpileco.comPeter Demshar University of Minnesota Duluth 127 N 28th Ave W Duluth Minnesota 55806 United States 9529136392 demsh001@d.umn.eduErik Denbroeder Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 edenbroeder@williamsform.com

Wen Deng Missouri University of Science and Technology 211 Butler-Carlton Hall 1401 N. Pine St. Rolla Missouri 65409 United States 573-341-4484 wendeng@mst.eduRick DeNicola J. Fletcher Creamer & Son, Inc. 101 East Broadway Hackensack New Jersey 07601 United States 201-488-9866 rdenicola@jfcson.comAnthony Denier New York Drilling Services, Inc. PO Box 918 3025 Route 32 Saugerties New York 12477 United States 845-246-9193 adenier@nydrilling.com

Idil Deniz Akin University of Wisconsin Madison1415 Engineering Drive 2243 Engineering Hall Madison Wisconsin 53706 United States 847-644-1379 iakin@wisc.edu

Jim Denk Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 mwysockey@thatcherfoundations.comSteve Dennis Rev Drill 4605 Wedgewood Blvd Frederick Maryland 21703 United States 3016626552 Steve.Dennis@revdrill.comRoss Dennison Con-Tech Systems 1832 University Commercial Place Charlotte South Carolina 28213 United States 704-494-3989 ross@contechsystems.comDavid DePaco Malcolm Drilling Co., Inc. 4926 N. Azusa Canyon Road Irwindale California 91706 United States 626-338-0035 ddepaco@malcolmdrilling.comGina Depperschmidt Superior Truck Equipment 7920-56 St. SE Calgary AB T2C 4S9 Canada 913-302-1301 gd@superiortruck.caMichael Derobio Layne Christensen Company 6811 Ash Street Frisco Texas 75034 United States 972-247-6767 michael.derobio@layne.comKim DeRubertis PO Box 506 Cashmere Washington 98815 United States 206-669-3002 kimderubertis@gmail.comRick Deschamps Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 rick.deschamps@nicholsonconstruction.comAlain Desmeules PRETECH Montreal Quebec Canada 8003878761 alaindesmeules@pretech.caEtienne Desmeules PRECO Dorval Quebec Canada 5147801280 etiennedesmeules@precofondations.comNorbert Desmeules PRETECH Montreal Quebec Canada 8003878761 norbertdesmeules@pretech.ca

Samer Dessouky UTSA one UTAS circleUniv. of Texas-San Antonio San Antonio Texas 78249 United States 2104587072 samer.dessouky@utsa.edu

Olivia Deterling The University of Texas at Austin 301 E. Dean Keeton St. ECJ 9.227 Austin Texas 78712 United States 2075229514 oliviadeterling@gmail.comJohn Devine Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 jdevine@ecanet.com

Dina Dewane Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 dina.dewane@txdot.gov

Teri DeWitt DeWitt Construction 13909 NE 10th Ave. Vancouver Washington 98685 United States 360-576-8755 ty@dewittconst.comTy DeWitt DeWitt Construction 13909 NE 10th Ave. Vancouver Washington 98685 United States 360-576-8755 ty@dewittconst.com

Mandar Dewoolkar The University of Vermont 213A Votey Hall 33 Colchester Avenue Burlington Vermont 05405 United States 8026561942 mandar@cems.uvm.eduTom Deysher SAS Stressteel, Inc. 100 New Dutch Lane Fairfield New Jersey 07004 United States 9732445995 tom.deysher@stressteel.comJoshua Dezort IPC PO Box 631783 Littleton Colorado 80163 United States 303-518-5336 jdezort@ip-co.net

Eduardo Di Bello Fundaciones de Panama S.A. Calle Elida diez # E-24 PanamaState of Panama 507 Panama (507)2613654 edebellop@hotmail.com

Gianfranco Di Cicco GDConsulting, LLC po box 542019 Lake Worth Florida 33463 United States 6177842027 GDCONS05@AOL.COMVinnie Di Fabio Paco Equipment 250 S. Webster St. Seattle Washington 98101 United States 206.762.3550 vinnie@pacoequip.comTom Diano Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tom@upperlineequipment.comBrian Diaz Texas A&M University Student 3625 Wellborn Road Apt 1802 Bryan Texas 77801 United States 7148733203 bddiaz@tamu.eduCarter Dicken Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comMark Dickerson Massman Construction Co 8901 State Line Suite 240 PO Box 8458 Kansas City Missouri 64114 United States 8165231000 mdickerson@massman.netJames Dickinson Berkel & Company Contractors, Inc. 7300 Marks Lane Austell Georgia 30168 United States 770-941-5100 jdickinson@berkelandcompany.comKristian Dietel Piling, Inc. PO Box 1847 Texas City Texas 77592 United States 4099453459 kristian@pilinginc.comDIDIER DIETSCH NICHOLSON CONSTRUCTION COMPANY 12 MCCLANE ST CUDDY Pennsylvania 15031 United States 4122214500 didier.dietsch@nicholsonconstruction.comMatt Diffy Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States 205-841-8600 tphifer@jeffreymachine.comCraig Digby Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 craigd@diggausa.com

Dom DiGiammatteo Daniel Steel Industries, Inc. 4640 N. Beltline Road Sunnyvale Texas 75182 United States 9722267676 dominic@danielsteelind.com

Dom DiGiammatteo Daniel Steel Industries, Inc. 4640 N. Beltline Road Sunnyvale Texas 75182 United States 9722267676 dominic@danielsteelind.comMATTHEW DILLION INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 MDILLION@IDEDRILLS.COMBarb DiMaggio Jerry A. DiMaggio Consulting 1603 Earlham Avenue Crofton Maryland 21114 United States 4107212973 jadimaggio@gmail.comJerry DiMaggio ARA 1603 Earlham Avenue Crofton Maryland 21114 United States 443-852-4829 jdimaggio@ara.comDan Ding University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 5732892921 ddn56@mail.missouri.eduJoe Dittmeier Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 jdittmeier@hammersteel.com

Tim Dittmeier Hammer & Steel, Inc. 4469 CR 209 SouthGreen Cove Springs Florida 32043 United States 904-284-6800 tdittmeier@hammersteel.com

Thomas Diviak Kimble Manufacturing 1951 Reiser Ave. SE New Philadelphia, Ohio 44663 United States 330 3086705 tdiviak@kimblechassis.comDevin Dixon Federal Highway Administration 12300 West Dakota Ave Lakewood Colorado 80228 United States 720-963-3720 devin.dixon@dot.gov

Clayton Dodd GDS Instruments Unit 32 Murrell Green Business Park London Road Hook, Hampshire RG27 9GR United Kingdom +441256382450 clayton@gdsinstruments.comScott Dodds Moretrench 144 Dexter Drive Monroeville Pennsylvania 15146 United States 412-793-9303 sdodds@mtac.com

Patrick Doherty PETERSON GEOTECH Skaneateles New York 3155210815 pdoherty@petersongeotech.comTom Doherty PETERSON GEOTECH Skaneateles New York 3155210815 tdoherty4@roadrunner.comJEFFREY DOLEZAL Atlas Copco 1830 RADIUS Dr #826 HOLLYWOOD Florida FL 33020 United States 9544714044 jeff.dolezal@gmail.comJavier Dominguez A.H. Beck Foundation Co., Inc. 5123 Blanco Road San Antonio Texas 78216 United States 210-342-5261 javier.dominguez@ahbeck.comVictor Donald Terracon 617 Jeanlafitte Baton Rouge Louisiana 70810 United States 225-344-6052 vrdonald@terracon.comRoger Dones Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 rd@avarconstruction.comShaoyang Dong Case Western Reserve University 10900 Euclid Ave. Cleveland Ohio 44106 United States 2162800667 sxd405@case.eduJeffrey Donville Beaty Construction, Inc. 5292 W 100N Boggstown Indiana 46110 United States 3178352254 jdonville@beatyinc.comRachel Donville Beaty Construction 317 Wakefield Dr E Greenwood Indiana 46142 United States donville@gmail.comUrs Dornbierer GEOBRUGG 22 Centro Algodones Algodones New Mexico 87001 United States 505-690-7144 erik.rorem@feobrugg.comDon Dotson Amec Foster Wheeler 3800 Ezell Rd Suite 100 Nashville Tennessee 37211 United States 6155777012 don.dotson@amecfw.comEric Douet Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States (412)221-4500 Eric.Douet@NicholsonConstruction.comSamuel Douglas Union Pacific Railroad 1400 Douglas Str. STOP 0910 Omaha Nebraska 68179 United States 402-544-3581 scdougla@up.comRoy Doumet University of Oklahoma 1624 Claudia Drive Norman Oklahoma 73071 United States 405-589-7072 rn.doumet@ou.eduDan Dragone BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7689 DDragone@bauerpileco.comChristopher Dragone BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7645 jclark@bauerpileco.comBen Draper QMF Steel 386 IH 30 Cambell Texas 75442 United States 800-881-071 steve@qmfsteel.com

Trent Dreese Gannett Fleming P.O. Box 67100 Harrisburg Pennsylvania17106-7100 United States 717-763-7211 tdreese@gfnet.com

Aine Driscoll Service Steel Warehouse 5 Dogwood Ct Bernardsville New Jersey 07924 United States 7132109323 gmcshane@servicesteel.orgJames Drought American State Equipment Co Inc 2055 S 108th st Milwaukee Wisconsin 53227 United States 414-541-8700 jdrought@amstate.comJoe Drumheller Densification, Inc. 40650 Hurley Lane Paeonian Springs Virginia 20129 United States 5408824404 filldoctor@aol.comSteve Drury Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 steve.drury@watsonusa.com

Frank Du Plessis Kantey & Templer Consulting Engineers PO Box 3132 Cape Town 8000 South Africa 0027 21 4059600 dup4u@mweb.co.zaJason Dubblestyne Geo-Foundations Contractors Inc. 302 Main Street North Acton Ontario L7J 1W9 Canada 5198533216 jdubblestyne@geo-foundations.comTom Dudici Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 tdudici@hammersteel.comGeorge Dugan CETCO 2870 Forbs Avenue Hoffman Estates Illinois 60192 United States 312-215-4078 george.dugan@cetco.comMark Dugger West Coast Drilling 1350 Willow Ave Hercules California 94547 United States 510-245-0556 sonnywcd@aol.comSharad Dumre University of Arkansas 833 W. Sycamore St. Apt 6 Fayetteville 72703 United States 270-403-9590 srdumre@uark.eduJason Duncan Auger Services, Inc. Gonzales Louisiana United States bbeck@augerservices.comGreg Dunn Pro-Dig 1604 Roseport Road Elwood Kansas 66024 United States 7858562661 nicbrooker@pro-dig.co.ukJeff Dunn Arup 560 Mission Street Suite 700 San Francisco California 94105 United States 415 963-3860 jeff.dunn@arup.comShawn DuPre Cape Romain Contractors, Inc. 612 Cape Romain Rd. Wando South Carolina 29492 United States 843 884 5167 sebdupre@comcast.netSonny DuPre Cape Romain Contractors, Inc. 612 Cape Romain Rd. Wando South Carolina 29492 United States 843 884 5167 sonny@caperomaincontractors.com

Haden DuranGregory Geotechnical-Oklahoma State University 2001 West 44th Ave Stillwater Oklahoma 74074 United States 405-714-3689 ggregory@gregeo.com

Randy Durecka The Walsh Group Chicago Illinois 3125635400 rdurecka@walshgroup.comClayton Durham WORD International,Inc 4565 Reid Rd. Elon North Carolina 27244 United States 3365846700 paige@wordrockdrills.comFlavio Durigan Commacchio 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 marketing@comacchio-industries.itBen Dutchak GeoSolv Design/Build Inc. 122 Creditstone Rd. Vaughan Ontario L4K 1P2 Canada 4164074854 ben@geosolv.caTim Dutton Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 Tdutton@ecanet.comBenjamin Dutton Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 ksimon@ecanet.comDennis Duty Baroid Industrial Drilling Products 3000 N Sam Houston Pkwy E Houston Texas 77032 United States 5407290483 dennis.duty@halliburton.comJonathan Dwight Menard USA 11767 Katy Freeway Suite 705 Houston Texas 77079 United States 3468882105 jdwight@menardusa.comBJ Dwyer Magnum Piering 6082 Schumacher Park Drive Westchester Ohio 45069 United States 800-822-7437 bjdwyer@magnumpiering.comElizabeth Dwyre Parsons Brinckerhoff 10918 Braewick Drive Carmel Indiana 46033 United States (317) 287-3406 dwyre@pbworld.comMike Dyer Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio Ohio 45231 United States 5138258100 mdyer@goettle.comThomas Eagens ASI Constructors 1850 E. Platteville Blvd Pueblo West Colorado 81007 United States 719-647-2821 teagens@asiconstructors.comJohn Eager Foundation Drilling of Illinois, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 mgambla@foundationdrillingco.comMel Eardley Landstar Transportation Boerne Texas 78006 dbyers@landstar.com

Ryan Eaves Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 ryan.eaves@txdot.gov

Eric Ebel ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 eebel@iceusa.comRonald Ebelhar Terracon 611 Lunken Park Drive Cincinnati Ohio 45226 United States 5136129022 rjebelhar@terracon.comJoe Ecker Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 jecker@centerrock.comTony Eckert Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio Ohio 45231 United States 5138258100 teckert@goettle.comEric Eckes Commercial Credit Group Farmersville Texas United States 469-207-9129 eeckes@commericalcreditgroup.com

Matthew EcksteinNational Commission for the Certification of Crane Operators 2750 Prosperity Ave Suite 505 Fairfax Virginia 22031 United States 7035602391 meckstein@nccco.org

Morgan Eddy Steele Foundation, LLC 3299 K Street NW #601 WashingtonDistrict of Columbia 20007 United States 2023421194 morgan@steelefoundationllc.com

Gordon Edgelow Keller Canada PO Box 2085 810-9th street N MartensvilleSaskatchewan S0K 2T0 Canada 306 385-3529 gedgelow@kellercanada.com

Andrea Edwards Cox Industries 237 Forrestry Rd Eutawville South Carolina 29048 United States 843-991-18-8209 aedwards@coxwoods.comRobert Edwards M.A.Bongiovanni 100 James Valeo Syracuse New York 13205 United States 315-27-9592 bedwards@mabinc.netJoe Egertsen PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-845-2540 jegertsten@pengoattachments.comJames Eggers Nicholson Construction 850 N 550 W North Salt Lake Utah 84054 United States 801-296-5899 james.eggers@nicholsonconstruction.comLevi Ekstrom Brigham Young University 7 S 300 E Provo Utah 84606 United States 8013610829 levi.t.ekstrom@gmail.comChadi El Mohtar University Of Texas At Austin 301 E Dean Keeton strt, Stop C1792 ECJ 9.227 Austin Texas 78712 United States 5124713695 elmohtar@mail.utexas.edu

Usama El Shamy Southern Methodist University PO Box 750340 Dallas Texas75275-0340 United States 2147683124 uelshamy@lyle.smu.deu

Rhonda El-Hachache UCLA 1010 E. Acacia Ave. #215 Glendale California 91205 United States 8185230294 rhondaelhachache@gmail.comOsama El-Quqa Virginia Tech 13500 Copper Croft Run Apt B Blacksburg Virginia 24060 United States 5127059100 osama.elquqa@gmail.comWaleed El-Sekelly Rensselaer Polytechnic Institute 110 8th street (RPI) JEC rm 4049 Troy New York 12180 United States 5189613696 waleed.elsekelly@gmail.comRami M. El-Sherbiny Cairo University Soil Mechanics & Foundations Lab Giza Street Giza 12611 Egypt +201066695600 rsherbiny@eng.cu.edu.egZakaria EL-Tayash University of Missour-Columbia E2509 Lafferre Hall Columbia Missouri 65211 United States 573-882-6269 zye625@mail.missouri.eduMAHMOUD ABDOU ALI ELASHRI AL ZAHRAA FOUNDATION CONT. LLC PO BOX 20286 DUBAI 0000

United Arab Emirates 00971 4 3332048 bss2000@emirates.net.ae

Mohamed ElkasabgyAmec Foster Wheeler Environment & Infrastructure 140 Quarry Park Blvd. S.E. Calgary Alberta T2C 3G3 Canada 403-540-3906 mohamed.elkasabgy@amec.com

May ElKhattab Arup 77 Water Street New York New York 10005 United States 2128963196 may.elkhattab@arup.comAl Ellerington Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 al@ecacanada.ca

Mike Elliott Pile Equipment, Inc. 1058 Roland AvenueGreen Cove Springs Florida 32043 United States 9048380333 melliott@pile-eqp.net

Tony Ellis Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 tellis@bayshoresystems.comTrent Ellis University of Texas at Austin 2812 Nueces St Apt 104 Austin Texas 78705 United States 5129560421 trenton.ellis@gmail.comRick Ellman Mueser Rutledge Consulting Engineers 1 cowdrey street Yonkers New York 10701 United States 917 339-9319 rellman@mrce.comJon Elmore CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 jon.elmore@czm-us.comAshraf Elsayed Geotechnology, Inc. 3312 Winbrook Memphis Tennessee 38116 United States 9013531981 a_elsayed@geotechnology.comTammy Elston Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 regan@illinidrilling.comAmos Emerson University of Texas Pan American 3500 San Armando Mission Texas 78572 United States 956-424-2005 abemerson1@broncs.utpa.eduBuse Emirler Curkurova University Curkurova Turkey bemirler@cu.edu.trBryon Emory James McHugh Construction Co. 1737 S. Michigan Avenue Chicago Illinois 60616 United States 312-986-8000 bemory@mchughconstrcution.comDiane Engel E.L. Robinson Engineering 1801 Watermark Drive Suite 310 Columbus Ohio 43215 United States 614-586-0642 rengel@elrobinson.comRick Engel E.L. Robinson Engineering 1801 Watermark Drive Suite 310 Columbus Ohio 43215 United States 614-586-0642 rengel@elrobinson.comEben Erasmus Kelly Tractor Co PO Box 1318 Mulberry Florida 33860 United States (863) 354-9036 eben_erasmus@kellytractor.comGarrett Erath Foundation Technologies Inc 1400 Progress Industrial Blvd Lawrenceville Georgia 30043 United States 800-773-2368 garrett@foundationtechnologies.comBryan Erickson Fenton Rigging and Contracting 2150 Langdon Farm Road Cincinnati Ohio 45237 United States 513-631-5500 berickson@fenton1898.comJoseph Erickson Williams Form Engineering Corp. 251 Rooney Rd. Golden Colorado 80401 United States 3032169300 jerickson@williamsform.comJacob Erickson University of Minnesota Duluth 142 Erickson Rd. Esko Minnesota 55733 United States (218) 391-2821 eric2638@d.umn.eduKathy Errickson Precision Drilling Inc. 277 Kingwood Stockton Rd Stockton New Jersey 08559 United States 908-996-2200 sales@erricksonequipment.comJon Errickson Precision Drilling Inc. 277 Kingwood Stockton Rd Stockton New Jersey 08559 United States 908-996-2200 sales@erricksonequipment.com

E. Ece Eseller-Bayat Istanbul Technical UniversityBüyükdere Caddesi Ayazaga Campus Department of Civil Engineering Istanbul Turkey 34469 Turkey +902122853860 ebayat@itu.edu.tr

Miika Eskelinen Junttan Oy miika.eskelinen@junttan.comMarkus Espen Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 markus.espen@liebherr.comEverardo Espinoza Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertson@oscarordunoinc.comEustaquio Espinoza Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertson@oscarordunoinc.com

Dorian Espinoza Geotecnica Consulting LLC 1360 Union Hill Rd.400 Overlook Business Park Alpharetta Georgia 30004 United States (864) 650-9065 despinoza@geoconsult.hn

Jesus Esquivel Arizona State University 6610 N. 93rd Ave, apt. 1097 Glendale Arizona 85305 United States 6025038253 jaesqui2@asu.edu

Alan Esser SME, Inc. 9375 Chillicothe Road Kirtland Ohio44094-8501 United States 440-256-6500 esser@sme-usa.com

Ross Estabrooks Stucchi USA 1107 Windham Parkway Romeoville Illinois 60446 United States 847-956-9720 rmorales@stucchiusa.com

Erik Estrada Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 erik.estrada@liebherr.comEmanuel Estrada TesCar PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comEd Ettinger Skyline Steel 3250 Peachtreee Industrial Blvd Suite 203 Duluth Georgia 30096 United States 678-474-1074 ed.ettinger@skylinesteel.comGreg Etue Tadano Mantis Cranes 208 Arbor Shores North Newnan Georgia 30265 United States 615-630-0177 gjetue@mantiscranes.com

Andrew Evans Hydro-Ram 206 Cummings Road Broussard Louisiana 70518 United States +1 337 837 9224 s.oskam@ihcmerwede.com

Jeffrey Evans Bucknell UniversityDepartment of Civil & Environmental Engineering Lewisburg Pennsylvania 17837 United States 5705771371 evans@bucknell.edu

Matt Ewald AH Beck Foundation Company 5123 Blanco Road San Antonio Texas 78216 august@ahbeck.comMike Faber CJ Drilling Inc. 19N041 Galligan Road Dundee Illinois 60118 United States 847-989-6572 mfaber@cjdrilling.comRoberto Falcon UT Dallas 19251 Preston Rd. Apt 612 Dallas Texas 75252 United States 469-5442255 falconrs@gmail.comFred Falcone Virginia Tech 13500 Copper Corft Run Apartment B Blacksburg Virginia 24060 United States 7818314250 ftf4250@vt.eduZach Fallert University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 5735351108 zjf5h7@mail.missouri.eduDermot Fallon Foundation Constructors, Inc. PO Box 97 81 Big Break Road Oakley California 94561 United States 925-754-6633 dfallon@foundationpile.comKe Fan Parsons Brinckerhoff 444 S Flower Street Suite 800 Los Angeles California 90071 United States 213-896-5656 fan@pbworld.comJeff Fargerson 3M 6801 River Place Blvd Austin Texas 78726 United States 713-385-3704 jlfargerson@mmm.comTom Fargnoli Agate Construction Co., Inc. 1030 Route 83 Clermont New Jersey 08210 United States 6096249090 tfargnoli@agateconstruction.netArvin Farid Boise State University 1910 University Drive MS 2060 Boise Idaho 83725 United States 2084264827 arvinfarid@boisestate.eduRay Farley Brasfond USA 1785 N. Geyers Chapel Rd. Wooster Ohio 44691 United States 330-262-0015 ray.farley@brasfondusa.comMatt Farley Vecellio & Grogan, Inc. 2251 Robert C Byrd Drive P.O. Box 2438 Beckley West Virginia 25801 United States 304-252-6575 matt.farley@vecelliogrogan.comRay Fassett Condon-Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 5106362100 rfassett@condon-johnson.comMichael Fattorusso Moretrench 100 Stickle Avenue Rockaway New Jersey 07866 United States 973-627-2100 mfattorusso@mtac.comPeter Faust Malcolm Drilling 92 NAtoma St. San Francisco California 94105 United States 415-901-4400 pfaust@malcolmdrilling.comCamilla Favaretti UC Irvine Irvine California favaretc@uci.eduBob Federighi Condon-Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 5106362100 bfederighi@condon-johnson.com

Xunchang Fei University of Michigan 9 EWRE, 1351 Beal Ave. Ann Arbor Michigan48109-2125 United States 734-6155963 xcfei@umich.edu

John Feil PJ's Rebar, Inc. 45055 Fremont Blvd Fremont California 94538 United States 510-743-5292 jfeil@pjsrebar.comHany Fekry DELDOT 800 Bay Rd P.O Box 778 Dover Delaware 19903 United States 302-760-2551 Hany.Fekry@state.de.usMatt Fenwick APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 mattf@apevibro.comLori Fernandez Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 craigd@diggausa.comMario Fernandez Champion Equipment Sales, LLC. 701 Green Valley Pkwy. Suite 200 Henderson Nevada 89074 United States 8773745574 mario@championsales.netRudy Fernandez Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 craigd@diggausa.comJoao Ferreira Earth Solutions 5958 Snow Hill Road Suite 144-133 Ooltewah Tennessee 37363 j.ferreira@polymerslurry.comFelix Ferrer Stressbar 165 Passaic Ave Fairfield New Jersey 07004 United States 201-241-2444 dmaclean@contechsystems.comGiuliano Feruglio Casagrande SpA Via A. Malignani N. 1 Fontanafredda 33074 Italy 973-579-1906 r.robertson@casagrandegroup.com

Kyle Fetterly Brewster Well Drilling / FTE Drilling 77 James Boyle Drive Mount Uniacke

Canada / Nova Scotia b0n1z0 Canada 19024780417 kfetterly@foragefte.com

Frank Fezza Mainland Shoring PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comAlex Filotti, P.E. Underpinning & Foundation Skanska 46-36 54th Road Maspeth New York 11378 United States 718-786-6557 alex.filotti@skanska.comDebrah Finch McKinney Drilling Company Post Office Box 126109 Fort Worth Texas 76126 United States 8174431465 dfinch@mckinneydrilling.comJohn Finnegan Budinger & Associates, Inc. 1101 N. Fancher Road Spokane Valley Washington 99212 United States 509-535-8841 jfinnegan@budingerinc.com

Rick Finney Foremost 1225 64th avenue NE CalgaryAlberta, Canada T2E8P9 Canada 403-295-5800 rebecca.robson@foremost.ca

Gualtiero Fioravanti Kelly Tractor Co / IMT 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 5616832015 w.fioravanti@imtspa.comJoe Fiore Oakmont Capital Services 1398 Wilmington Pike Suite 200 West Chester Pennsylvania 19382 United States 973-582-3400 jfiore@oakmontfinance.comBrandon Fisher Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 bfisher@centerrock.comChristen Fisher Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 cfisher@centerrock.comBrendan Fisher Crux Engineering Group 4308 N Barker RD Spokane Washington 99027 United States 509-892-9409 bfisher@cruxeg.comRonnie Fisher Allied Drilling PO Box 12 Fort Worth Texas 76101 United States 817-483-7272 rebecca@allieddrilling.comBrendan Fisher Crux Engineering Group 4308 N Barker RD Spokane Washington 99027 United States 509-892-9409 bfisher@cruxeg.comBilly Fisher Hayward Baker, Inc. 661 Shahan Prairie Rd. Little Elm Texas 75068 United States 972-294-5000 blfisher@haywardbaker.comRebecca Fisher Allied Drilling PO Box 12 Fort Worth Texas 76101 United States 817-483-7272 rebecca@allieddrilling.comKen Fishman McMahon & Mann Consulting Engineers, P.C. 2495 Main St. Suite 432 Buffalo New York 14214 United States 716-834-8932 kfishman@mmce.netGianPaolo Fistarol Casagrande SpA Via A. Malignani N. 1 Fontanafredda 33074 Italy 973-579-1906 r.robertson@casagrandegroup.comCharlie Fitzpatrick CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 cfitzpatrick@cjdrilling.comBrendan FitzPatrick, P.E. DuroTerra 639 Granite Street Braintree Massachusetts 02184 United States 781-817-6053 bfitzpatrick@duroterra.com

Dave Flack SkyMan USA 421 Guildford Avenue Chambersburg Pennsylvania 17201 United States 7174960301 dave.flack@sky-man.comJaimie Flannigan SEABOARD FOUNDATIONS Post Office Box 126408 Benbrook Texas 76126 United States 8179846527 dfrye@mckinneydrilling.comMichael Flecker Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 michael.flecker@liebherr.comKaitlyn Fleming University of Illinois at Urbana-Champaign 205 N Mathews Ave. Urbana Illinois 61801 United States 8472205283 Flemin14@illinois.edu

Raul Flores Geotecnica Consulting LLC 1360 Union Hill Rd.400 Overlook Business Park Alpharetta Georgia 30004 United States (864) 650-9065 rflores@geotecnica.us

Quintin Flores Cal Poly CalGeo 495 N. Chorro Street San Luis Obispo California 93405 United States 530-586-2513 qflores@calpoly.eduTimothy Fogarty George Harms Construciton Co Inc PO Box 817 Farmingdale New Jersey 07727 United States 732-751-2070 kconnelly@ghcci.comRyan Foley Cunningham & Associates, LLC 1199 Grafton Street Unit 89 Worcester Massachusetts 01604 United States 5084005827 JDCunningham@JEC-LLC.comRyan Folk Cal Poly Pomona 16243 Rodeo St. Hesperia California 92345 United States 7609819676 rsfolk@cpp.eduAdrian Forbes Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 r.robertson@casagrandegroup.comJim Forcier Hayward Baker 10303 Channel Rd Lakeside California 92040 United States 6199560850 Jforcier@haywardbaker.comLaurence Ford Langan 360 West 31st Street 8th Floor New York New York 10001 United States 212-479-5400 lford@langan.comDoug Ford Skyline Steel 8 WOODHOLLOW RD STE 102 PARSIPPANY New Jersey 07054 United States 6784741062 beth.cowan@skylinesteel.comBob Foreman TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comDale Forestell HCM Contractors Inc 403-2484-884 dalef@hcmc.caMatteo Forgione Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 matteo.forgione@hubfoundation.comSherri Fountain, SPHR SME 43980 Plymouth Oaks Blvd. Plymouth Michigan 48170 United States 734-454-9900 green@sme-usa.comPatrick Fox University of California-San Diego 9500 Gilman Dr La Jolla California 92093 United States 8588220431 pjfox@ucsd.eduJeff Frahm Caterpillar 100 Adams Peoria Illinois 61629 United States 309-494-5805 frahm_jeffrey_a@cat.comSue Frank TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 sue@teirockdrills.comDave Frank TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 dave@teirockdrills.comKevin Franke Brigham Young University 1803 River Bottom Rd Springville Utah 84663 United States 8014221349 kevin_franke@byu.eduJack Franke CB&I 14105 S. Route 59 Plainfield Illinois 60544 United States 8154396192 jfranke@cbi.comDave Franklin OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comDaren Franks Lodge Lumber 5001 Oates Road Houston Texas 77013 United States 832-264-7008 jw@lodgelumber.comRoland Freeman Kelly Tractor Co 103 Meadowlark Dr E Seymour Indiana 47274 United States (561) 310-8329 roland_freeman@kellytractor.comJerry Freeman Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 r.robertson@casagrandegroup.comLinda Friedlander Case Foundation Co. 850 Cassatt Road Suite 370 Berwyn Pennsylvania 19312 United States 610-353-0600 rjfriedlander@casefoundation.comRoy Friedlander Case Foundation Co. 850 Cassatt Road Suite 370 Berwyn Pennsylvania 19312 United States 610-353-0600 rjfriedlander@casefoundation.comCody Fritz Culy Construction & Excavation 610 N. East Winchester Nebraska 47394 shensley@culyconstruction.com

Louis Fritz Bermingham Foundation Solutions Limited 600 Ferguson Avenue North HamiltonCanada, Ontario L8L 4Z9 Canada 9055287924 Lmacqueen@berminghammer.com

Duane Frye SEABOARD FOUNDATIONS Post Office Box 126408 Benbrook Texas 76126 United States 8179846527 dfrye@mckinneydrilling.comVickie Frye SEABOARD FOUNDATIONS Post Office Box 126408 Benbrook Texas 76126 United States 8179846527 dfrye@mckinneydrilling.comK'ai Fu Magnus Media Group 4600 Davis Ave South # E304 Renton Washington 98055 United States 206-973-0844 magnusdfw@gmail.comGrant Fu Magnus Media Group 4600 Davis Ave South # E304 Renton Washington 98055 United States 206-973-0844 magnusdfw@gmail.comFred Fuchs Boh Bros. Construction 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 fuchs@bohbros.comTomohide Fujiwara MUFG Florance Kentucky tfujiwara@us.mufg.jpPatrick Fulawka Cyntech Helical Piles 235061 Wrangler Link SE Calgary Alberta T1X0K3 Canada 403-228-1767 pfulawka@cyntech.comJohn Furniss Arizona State University 6245 E Alta Hacienda Dr Scottsdale Arizona 85251 United States 6023000425 jfurniss@asu.eduRoss Gableman Hydaker-Wheatlake 420 S. Roth St. Reed City Michigan 49677 United States 231-388-1200 ross_gableman@uscco.comMo Gabr North Carolina State University Dept of Civil Engineering Raleigh North Carolina 27695 United States 9193892397 gabr@ncsu.eduChris Gabuzda PennDrill Manufacturing 281 Route 30 Imperial Pennsylvania 15126 United States 724-695-2400 cgabuzda@penndrill.comBob Gade Hayes Drilling, Inc. 15525 S. Mahaffie St. Olathe Kansas 66062 United States 816-918-7557 rgade@hayesdrillinginc.comBob Gaetan Blackrock Foundations Milton Ontario L9T 4H9 Canada gaetanm@blackrockfoundations.ca

Chris Gairns Measurand Inc. 12 Wentworth Ct Nasonworth

New Brunswick E3C 0J3 Canada 5064629119 chris@measurand.com

Stefano Galbaldo Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-7924 dzanchetta@berminghammer.comRob Galbavy ChemGrout 805 East 31st Street Lagrange Park Illinois 60526 United States 708-354-7112 rob@chemgrout.comPatricia Gallagher Drexel University 3141 Chestnut St Philadelphia Pennsylvania 19038 United States 215-895-6426 pmg24@drexel.eduRich Gallina Star Iron Works, Inc. 257 Caroline Street Punxsutawney Pennsylvania 15767 United States 814-427-2555 rich.gallina@starironworks.comDaniela Galvan University of Texas Pan American 8255 mateo escobar monte alto Texas 78538 United States 9569751958 dgalvan5@broncs.utpa.edu

Marcus Galvan Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 marcus.galvan@txdot.gov

Mark Gambla Foundation Drilling of Illinois, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 mgambla@foundationdrillingco.comFrank Gandar Numa 646 Thompson Rd Thompson Connecticut 06277 United States 860-923-9551 frank.gandar@numahammers.com

Rafael Gandara Gandara Cristobal de Olid 489 Reforma Veracruz 91919 Mexico +52 229 10 02 01 rafael@gandara.com.mxKurt Ganiko Hawaiian Dredging Construction Company P.O. Box 4088 Honolulu Hawaii 96812 United States 8087353211 kganiko@hdcc.com

Naveen Kumar Ganji Texas A&M University 503 Cherry Street Apt 120 College Station Texas 77840 United States 9799850425 gnk_gte@tamu.eduQUAN GAO CASE WESTERN RESERVE UNIVERSITY 10900 EUCLID AVE CLEVELAND Ohio 44106 United States 2166504759 qxg29@case.eduSteve Gapp MUDTeCH LLC PO BOX 41 Dousman Wisconsin 53118 United States 262 993 8455 asphaltusa@gmail.comSteve Gapp MUDTeCH LLC PO BOX 41 Dousman Wisconsin 53118 United States 262 993 8455 asphaltusa@gmail.comRick Garcia ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 rgarcia@iceusa.comLina Garcia HDR 555 N Carancahua Suite 1600 Corpus Christi 78401 United States 3616963377 lina.garciamartin@hdrinc.comRoberto Garcia California State University, Los Angeles 6903 Pioneer Blvd. Whittier California 90606 United States 5623550391 tetsuro2007@gmail.comRick Garcia Wilson Company 2205 Moneda St. Haltom City Texas 76117 United States 817-595-2244 rgarcia@wilson-company.comMelissa Garcia Scott Powerline P O Box 4008 Monroe Louisiana 71211 United States 318-388-9207 ksnell@scottpowerline.comIvan Garcia The University of Texas at Austin 4605 Avenue A Apt. 213 Austin Texas 78751 United States 787-934-5618 ivan.garcia1@utexas.eduFernando Garcia Hillis Carnes Engineering Associates Inc. 10975 Guilfore Rd Suite A Anapolis Junction Maryland 20701 United States 410-749-0940 fgarciam@hcea.comLuis Garcia Geo Cim, Inc. Amelia Distribution Center Emma St. 26A Guaynabo Puerto Rico 00968 United States 7877922626 logarcia@geocim.comDon Gardonio Facca Inc 2097 County Road 31 Ruscom Ontario N0R 1R0 Canada 5197968727 Don@facca.comRick Garland Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 jireland@bayshoresystems.com

Charlie Garling South Sask Rathole Box 1052 WayburnSaskatchewan S4H 2L3 Canada 306-861-7800 brucehodgkin@hotmail.com

Cyrus Garner University of Arkansas UNIV OF ARKANSASOFF OF BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 9176921026 cxg002@uark.edu

Clark Gary Russo Corporation 1421 Mims Ave SW Birmingham Alabama 35211 United States 205-541-9694 cgary@russocorp.comVictor Garza Kennametal, Inc. 1600 Technology Way Latrobe Pennsylvania 15650 United States 1-210-823-3956 victor.garza@kennametal.comJacob Garza UTPA 7337 El Owassa Rd Edinburg Texas 78542 United States 9562120484 jacob_garza@aol.comMarco Garza Bay Shore Systems Monterrey Mexico mgarza@magro.com.mxStefano Garzi MAIT USA 19 Davidson Lane, Bldg 5 New Castle Delaware 19720 United States 302-778-3844 info@maitusa.comLuca Gastaldi C.R.M. srl Via Torricelli n.23 Monterotondo 00015 Italy +39 6 90080116 l.gastaldi@crmjetting.it

Artur Gaszewski Keller Polska sp. z o.o. Poznańska 172Ożarów Mazowiecki 05-850 Poland +48 227339005 agaszewski@keller.com.pl

Marck E. Gatbunton Champion Equipment Sales, LLC Paramount California marckgatbunton@outlook.com

Bill Gates McMillian Jacobs Associates 1109 First Ave. Suite 501 Seattle Washington98101-2988 United States 206-588-8176 Gates@mcmjac.com

Harold Gathers McKinney Drilling Co. 273 Lakeview Dr Suite 101 Woodstock Virginia 22664 United States 5404599529 hgathers@mckinneydrilling.comRyan Gaubert BOH BROS. 730 S.Tonti St. New Orleans Louisiana 70119 United States 504-821-2400 rgaubert@bohbros.comBob Gauger Street Foundation Drilling Ablene Texas sfd5812@aol.comTony Gauget Graham Const 8404 McIntyre Rd Edmonton Alberta T6E6V3 Canada 780-231-7101 tonyga@graham.ca

Dan Gault Holte Manufacturing P.O. Box 40025310 Jeans Road Oregon 97487 United States 5419355054 dan@drilling.com

Shandie Gautreaux HUESEKR P.O. Box 411529 Charlotte North Carolina NC 28241 United States 704-588-5500 akane@hueskerinc.comSTEPHEN GAZO INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 SGAZO@IDEDRILLS.COM

Paolo Gazzarrini Sea To Sky Geotech 11-2246 Folkestone Way West VancouverBritish Columbia V7S 2X7 Canada 604 6174299 paolo@paologaz.com

Jeffrey Gebhard Braun Intertec 11001 Hampshire Ave S Minneapolis Minnesota 55438 United States 9529952000 jgebhard@braunintertec.comTiffany Gebhardt CMG PO Box 80252 Billings Montana 59108 United States 4066551892 tiffanyh@cmgbillings.comThomas Gebrenegus Engineering & Software Consultants, INC. 14123 Robert Paris Ct. Chantilly Virginia 20151 United States 2024933101 t.gebrenegus.ctr@dot.govWill Gehrke Case Pacific Company 2121 Ardmore Road Paso Robles California 93446 United States 805-237-8851 accounting@casepacific.com

Joe Gelardi American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-965-2638 j.gelardi@american-equipment.com

Greg Gelleta Agra Foundations 35571 Range Road 3051 Corman ParkSaskatchewan S7T 1C8 Canada 306-373-3762 greg.gelleta@agra.com

Greg Gelleta Agra Foundations 7708 Wagner Road NW Edmonton Alberta T6E 5B2 Canada 780-468-3392 greg.gelleta@agra.com

Weijuan Geng University of Wisconsin Madison1415 Engineering Drive 1217 Engineering Hall Madison Wisconsin 53706 United States 847-868-6697 WEIJUAN@WISC.EDU

Anthony Genovese Anthony Rivara Contracting Woodside New York anthonyrivara@gmail.comDonald Gerken Bechtel Corporation 401 Diablo Creek Place Clayton California 94517 United States 4159997073 degerken@bechtel.comHande Gerkus The University of Texas at Austin 1638 West 6th St Apt A Austin Texas 78703 United States 5129039066 gerkus@utexas.edu

Lauren Gersch Lawrence Tech University 21000 West Ten Mile Rd Southfield Michigan Michigan 48075 United States 248-204-2545 lgersch@ltu.eduGlen Gerson Malibu Conference Ctr 327 Latigo Canyon Rd. Malibu California 90265 United States glengerson@gmail.comAmy Getchell Purdue University 3025 Courthouse Dr W Apt 3A West Lafayette Indiana 47906 United States 201-394-2010 agetchel@purdue.eduMertcan Geyin Virginia Tech 3300 Richmond Lnae Apt E Blacksburg Virginia 24060 United States 540 449 2858 gmert91@vt.eduChloe Gharios Cal State University Fullerton 3020 Yorba Linda Blvd Apt D25 Fullerton California 92831 United States 562-761-6760 chloegharios@csu.fullerton.eduOmid Ghasemi-Fare The Pennsylvania State University 200 Highland Ave, Apt 211 State College Pennsylvania 16801 United States 8144412561 oxg910@psu.eduMajid Ghayoomi University of New Hampshire W175 Kingsbury Hall 33 Academic Way Durham New Hampshire 03824 United States 7203524630 majid.ghayoomi@unh.eduEmad Gheibi University of South Carolina 101 Pickens Street. Apt D6 Columbia South Carolina 29205 United States 8032693133 emadgheibi@gmail.com

Abiy Ghirmay University of Arkansas UNIV OF ARKANSASOFF F BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 2704039590 aghirmay@uark.edu

Kris Giba Walsh Construction 929 West Adams Street Chicago Illinois 60607 United States 312-563-5400 kgiba@walshgroup.comEDDIE GIBBS NICHOLSON CONSTRUCTION COMPANY 12 MCCLANE ST CUDDY 15031 United States 412-221-4500 eddie.gibbs@nicholsonconstruction.comWes Gibson PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-351-1864 wgibson@pengoattachments.comDennis Gibson Mitsubishi Materials USA Corp 2690 Salisbury Hwy Statesville North Carolina 28677 United States 704-838-8175 dgibson@mmus.comSofie Gielen Atlas Copco 3700 East 68th Ave Commerce City Colorado 80022 United States 303-253-6931 sofie.gielen@us.atlascopco.comSimon Gilazghi University of Texas at San Antonio 7530 Mockingbird ln. #307 San Antonio Texas 78229 United States 2105715012 ggo854@my.utsa.eduMike Gilbertson Barnard Construction PO Box 309 Brentwood California 94514 United States 925-240-0062 mike.gilbertson@barnmard-inc.comJeff Gillan "D" Construction, Inc. 1488 So. Broadway Coal City Illinois 60416 United States 8156342555 j.gillan@dconstruction.netChris Gillibrand Pro-Dig GI 1604 Roseport Road Elwood Kansas 66024 United States 7858562661 chris@vitek-gi.comKenneth Gillis University of Colorado 2065 Floral Drive Boulder Colorado 80304 United States 903-920-7339 kenneth.gillis@colorado.eduRoman Gillund GeoStabilization International po box 4709 Grand Junction Colorado 81502 United States 970-210-6170 Roman@gsi.usMarty Gilly ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6128 marty@rocequipment.comPhillip Gilmore Virginia Tech 1306 Ascot Lane Blacksburg Virginia 24060 United States 5403097385 philgil5@vt.eduDong Ri Gim BUMA/ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6126 ashley@rocequipment.comEric Giudicelli Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 r.robertson@casagrandegroup.comSusie Givens Givens International Drilling Supplies 8288 Pritchett Crooks Road Corydon Kentucky 42406 United States 2705336378 susie@givensinternational.comATHINA GKRIZI University of Michigan 2088 Pauline Blvd Apt 1B ANN ARBOR Michigan 48103 United States 734-604-9554 agkrizi@umich.eduJeffrey Glisson PKF-Mark III, Inc. PO Box 390 17 Blacksmith RD Newtown Pennsylvania 18940 United States 2159685031 jkg@pkfm.comSam Glova Sunbelt Rentals, Inc. 2341 Deerfield Drive Fort Mill South Carolina 29715 United States 704-576-7047 sglova@sunbeltrentals.comBRADLEY GLOVER INDEPENDENCE TUBE CORPORATION 6226 W. 74TH STREET CHICAGO Illinois 60638 United States 800-376-6000 bglover@independencetube.comVaughn Godet Berkel & Company Contractors 2647 S. 142nd St. Bonner Springs Kansas 66012 United States 9134223588 vgodet@berkelapg.comBob Goehring ECS 1281 Kennestone Circle NE Suite 200 Marietta Georgia 30066 United States 770-590-1971 rgoehring@ecslimited.comLarry Goff Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 Larry.Goff@nicholsonconstruction.com

Seda Gokyer Northeastern University 400 Snell Engineering Center360 Huntington Avenue Boston Massachusetts 02115 United States 6173738260 sedagokyer@gmail.com

Sergio Goldbach Soloteste Engenharia Rua Aperana 10 Rio de Janeiro 2.2E+07 Brazil 21999873946 sergio@soloteste.com.brArthur Golembiewski Walsh Group 4 Penn Center Blvd Suite 100 Pittsburg Pennsylvania 15276 United States 412-275-8800 agolembiewski@walshgroup.comJesus Gomez GEI Consultants, Inc. Jesus E. Gomez, Ph.D., P.E., D.G.E Suite 200 Mount Laurel New Jersey 08054 United States 8566086860 jgomez@geiconsultants.comArmaldo Goncalves RGB Group Central Islip New York 11722 United States rbarsallo@rgbgrouppc.comFirat Gonen GRUPTEKNO 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 sgonen@gruptekno.comSait Gonen GRUPTEKNO 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 sgonen@gruptekno.comBahar Gonen GRUPTEKNO 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 sgonen@gruptekno.comWenping Gong Clemson University Lowry Hall 133 Clemson University Clemson South Carolina 29631 United States 864-633-7217 tumugwp2007@gmail.comBenito Gonzalez Baroid Industrial Drilling Products 3000 N Sam Houston Pkwy E Houston Texas 77032 United States 9565344915 benito.gonzalez@halliburton.comCRYSTAL GONZALEZ UTPA P.O.BOX 592 DONNA Texas 78537 United States 9562461129 crgonzalez.ce@gmail.comRuben Gonzalez concretoslanzados_mexico@hotmail.comIsrael Gonzalez concretoslanzados_mexico@hotmail.comKris Gonzalez Brink 2950 N Plaza Drive Rapid City South Dakota 57702 United States 605-342-6966 chris@brinkred.comChristian Gonzalez University of Texas Pan American 1201 W. University Dr. Edinburg Texas 78541 United States 956-560-1021 cjgonzalez7@broncs.utpa.eduKen Goodhue KB International 735 Broad Street Suite 209 Chattanooga Tennessee 37402 United States 4232666964 ken@kbtech.comMidge Goodhue KB International 735 Broad Street Suite 209 Chattanooga Tennessee 37402 United States 4232666964 ken@kbtech.comKelly Goranson APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 kellyg@apevibro.comChad Gordon Menard USA 11767 Katy Freeway, Suite 705 Houston Texas 77084 United States 7138750065 cgordon@menardusa.comAndy Gordon KB International 735 Broad Street Suite 209 Chattanooga Tennessee 37402 United States 4232666964 andy@kbtech.comMatt Gore The University of Texas at Austin 800 West 38th Street Apt 12202 Austin Texas 78705 United States 314-952-1981 msgore@utexas.eduJason Gorney ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 jgorney@iceusa.com

John Gorumba ATS add1 add2 city Louisiananon us state zip

Cocos (Keeling) Islands 5555555555 john.gorumba@american-tradeshow.com

Pierre Goudreault UniSoft Geotechnical Solutions Ltd 528 River Road Ottawa Ontario K1V1E9 Canada 613-859-6544 pierre.goudreault@unisoftltd.comRaphaëlle Gourde Gilbert 1840 boul. Marcotte Roberval QC G8H 2P2 Canada 418-275-5041 raphaelle.gourde@gilbert-tech.comKevin Gourgues GROUP Contractors, LLC PO Box 3560 Baton Rouge Louisiana 70884 United States 2257522500 kevin@group-industries.comJamie Govey Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 jdorisio@ecanet.comMartin Gradijan Geokon 48 Spencer St Lebanon New Hampshire 03766 United States 603-448-1562 mgradijan@geokon.comRobert Graf ZÜBLIN Inc. 6790 Century Avenue Suite 401 Mississauga Ontario L5V2N8 Canada +14168409524 Robert.Graf@zueblin.caAdam Graf The Timken Company 4545 Fuller Drive Suite 420 Irving Texas 75308 United States 3303120701 adam.graf@timken.comJohn Graham Paco Equipment 250 S. Webster St. Seattle Washington 98101 United States 206.762.3550 vinnie@pacoequip.comCraig Gramlich Keller Canada 2-53016 Hwy 60 Acheson Alberta T7X 5A7 Canada 7809606700 cgramlich@kellercanada.comRonald Granberry Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymachine.comRENZO GRANDO TREVIICOS 38 Third Avenue Charlestown Massachusetts 02129 United States 6172414800 rgrando@treviicos.comDonald Grant Kelly Tractor Co 317 Cockle Shell Loop Apollo Beach Florida 33572 United States 561-301-3244 donald_grant@kellytractor.comAlex Gravel Gilbert 1840 boul. Marcotte Roberval QC G8H 2P2 Canada 418-275-5041 alex.gravel@gilbert-tech.comDion Gray Stressteel 47375 Fremont Blvd Fremont California 94538 United States 888-284-8752 dion.gray@stressteel.comMarcelle Gray University of Michigan 1704 Moreton Ave Annarbor Michigan 48104 United States 734-663-7897 harfgray@aol.comDonald H. Gray University of Michigan 1704 Moreton Ave Annarbor Michigan 48104 United States 734-663-7897 harfgray@aol.comRichard Gray DiGioia, Gray & Associates, LLC 322 BLACK WALNUT DR GREENSBURG Pennsylvania 15601 United States 4123724500 dick@digioiagray.comBen Graybill Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 benjamin.graybill@gmail.comBrian Greeley Nicholson Construction 25400 US 19 N Suite 229 Clearwater Florida 33763 United States 727-223-5979 brian.greeley@nicholsonconstruction.comJoe Greensides Jones Drilling & Shoring 5633 W Axel Park Rd West Jordan Utah 84081 United States 801-280-2908 chrisj@jonesexcavating.comMatt Gregor Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.com

Jan GregoryGregory Geotechnical-Oklahoma State University 2001 West 44th Ave Stillwater Oklahoma 74074 United States 405-714-3689 ggregory@gregeo.com

Garry H.Gregory, Ph.D., P.E., D.GE

Gregory Geotechnical-Oklahoma State University 2001 West 44th Ave Stillwater Oklahoma 74074 United States 405-714-3689 ggregory@gregeo.com

Sydney Gresham ADSC 8445 Freeport Pkwy Suite 325 Irving Texas 75063 United States 469-359-6000 ematthews@adsc-iafd.com

Christian Gress BAUER Maschinen GmbH BAUER-Straße 1 Schrobenhausen 86529 Germany+49 8252 97-1634 Christian.Gress@bauer.de

Navin Grewal Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 ngrewal@avarconstruction.comSean Griffin Edgen Murray 10370 Richmond Ave Suite 900 Houston Texas 77042 United States 713-289-9305 sean.griffin@edgenmurray.comPatrick Griffin American Equipment and Fabricating 100 Water Street East Providence Rhode Island 02914 United States 401-438-2626 patg@american-equipment.com

D Vaughan Griffiths Colorado School of Mines Dept Civil and Environmental Engineering 1500 mIllinois Street Golden Colorado 80027 United States 303 273 3669 d.v.griffiths@mines.eduA.J. Griggs Trinity Products, Inc. 1969 W Terra Lane O'Fallon Missouri 63366 United States 800-456-7473 ajgriggs@trinityinc.comJohn Grillo Hayward Baker Inc. 7550 Teague Road Hanover Maryland 21076 United States 2014891700 jrgrillo@haywardbaker.comGary Grist Terex San Antonio Texas hcook@asce.org

Anders Gronstedt Federal Highway Administration 1200 New Jersey Avenue SE HIBS-20 WashingtonDistrict of Columbia 20590 United States 202-366-1554 Silas.Nichols@dot.gov

Beth Gross Geosyntec Consultants 8217 Shoal Creek Blvd Suite 200 Austin Texas 78757 United States 512-451-4003 bgross@geosyntec.comBrent Grow Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio Ohio 45231 United States 5138258100 bgrow@goettle.com

Rudolf Gruneberg KLEMM Wintersohler Str. 5 Drolshagen 57489 Germany+49 8252 97-1634 r.gruneberg@klemm-mail.de

Andy Gryske Michels Corporation PO Box 128 Brownsville Wisconsin 53006 United States 920-583-1441 agryske@michels.usMeixiang gu University of Kansas 1401 Apple Ln 24B lawrence Kansas 66049 United States 7858405286 gmxhnu@gmail.com

Lei Gu Gannett Fleming, Inc. Valley Forge Corporate Center 1010 Adams Avenue Audubon Pennsylvania19403-2402 United States 610-650-8101 lgu@gfnet.com

Piero Guardigli Commacchio 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 marketing@comacchio-industries.itGabriel Guerrero University of Texas PanAmerican 1201 W University Dr. Edinburg Texas 78539 United States 9565334187 Guerrerogabriel12@yahoo.comFrancis Gularte Hayward Baker Inc. 1780 lemonwood Drive Santa Paula California 93060 United States 805-933-1331 fbgularte@haywardbaker.comFrank Gullo Wells Fargo Equipment Finance 845 Kingwood Court Highland Village Texas 75077 United States 972 317 1827 frank.j.gullo@wellsfargo.comFrank Gummich Stressteel 47375 Fremont Blvd Fremont California 94538 United States 888-284-8752 frank.gummich@stressteel.com

Kancheepuram Gunalan AECOM 756 E. Winchester Street, Suite 400 Salt Lake City Utah 84107 United States 801-904-4166 k.n.gunalan@aecom.comJay Gunnarson Northstar 103, 1150-29 St SE Calgary Alberta T2Z 3W9 Canada 4032949404 jay.g@northstar-inc.comMark Gunter Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 mark.gunter@nicholsonconstruction.com

Yuan Guo Case Western Reserve University 2555 Kemper Road, APT # 305 Apartment # 710 Cleveland Ohio 44120 United States 2167734190 yxg223@case.eduJun Guo University of Kansas 4700 W 27th St. apt ff1 Lawrence Kansas 66047 United States 7853932195 guoddx@gmail.comJuan Gutierrez BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7604 JGutierrez@bauerpileco.comAngel Gutierrez Arizona State University 660. S College Avenue, #507 Tempe Arizona 85281 United States 9289194195 angel.gutierrez@asu.eduRoman Gwiscz LB Foster 7015 W. Tidwell Suite G-101 Houston Texas 77092 United States 2812547012 rgwiscz@lbfoster.com

Walter Haberl Liebherr-Canada Ltd. 1015 Sutton Drive Burlington Ontario L7L 5Z8 Canada +1-905-319-9222 walter.haberl@liebherr.comRoger Haberman Industrial Builders Inc. Box 406 Fargo North Dakota 58107 United States 701-282-4977 roger@industrialbuilders.comMark Hadar Remedial Construction Services 214 Brookstone Circle Dewitt Michigan 48820 United States (517) 669-6707 mark.hadar@reconservices.comTobias Haemmerle Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tobias.haemmerle@liebherr.comEthan Hageman Budinger & Associates, Inc. 1101 N. Fancher Road Spokane Valley Washington 99212 United States 509-535-8841 ehageman@budingerinc.com

Carl Hagemeyer KLEMM Wintersohler Str. 5 Drolshagen 57489 Germany+49 8252 97-1634 c.hagemeyer@klemm-mail.de

Peggy Hagerty Duffy ADSC 229 Walnut Street Jeffersonville Indiana 47130 United States (502) 553-3211 pduffy@construct-solutions.comLuke Hagfors Hennessy International, Inc. PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comJohn Hagfors Hennessy International, Inc. PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comBill Hagstotz ConstructionIamges.com 4250 34th Ave W 110 Seattle Washington 98199 United States 425-445-7402 bill@constructionimages.comJustin Hahn Matador Well Services 2511 N CR 1140 Midland Texas 79705 United States 866-620-1403 mcnew@matadorwellservices.comMike Haigh Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 mike.haigh@hubfoundation.comTyler Hainey Malcolm Drilling Company Inc 1260 Andrea Lane Anaheim California 92807 United States 6263380035 tylerhainey@yahoo.comJohn Hair Keystone Foundation Repair, Inc. 229 Petersburg Rd Carlisle Pennsylvania 17013 United States 717-243-2040 jthkeystone@aol.comDerek Halecky Foundation Constructors, Inc. PO Box 97 81 Big Break Road Oakley California 94561 United States 925-754-6633 dhalecky@foundationpile.comEd Hall Humboldt Mfg. Co. 875 Tollgate Rd. Elgin Illinois 60123 United States 800-544-7220 edhall@humboldtmfg.comRon Hall Nicholson Construction 850 N 550 W North Salt Lake Utah 84054 United States 801-296-5899 ron.hall@nicholsonconstruction.com

Ray Hall Atlas Copco 3610 West Capitol Ave West Sacramento California 95691 United States 916-417-3179 ray.hall@us.atlascopco.comMartin Halliwell HC Matcon Inc. 126 Earl Thompson Rd ayr ontario m8z3n5 Canada 4164578313 jasonw@hcgroup.caRod Hallson JD Fields & Co 55 Waugh Dr Ste 1250 Houston Texas 77007 United States 2815587199 rhallson@jdfields.comNasser Hamdan Arizona State University 6902 E. Larkspur Dr Scottsdale Arizona 85254 United States 480-727-8179 nasser.hamdan@asu.eduMIKE HAMEL DARDRILL, INC. 131 CALIFORNIA DRIVE WILLIAMSVILLE New York 14221 United States 716-634-0484 caissons@DarDrill.comMegan Hamilton Virginia Tech 13600 Copper Croft Run Apt. E Blacksburg Virginia 24060 United States 8455190048 megan14@vt.eduDustin Hamilton PennDrill Manufacturing 24443 Highway 74 Perris California 92570 United States 412-427-7241 dhamilton@penndrill.comJeff Hamilton Texas Hydraulics Temple Texas United States 254-778-4701 jhamilton@texashyd.comMickey Hamm Micropiles Hawaii PO Box 240430 Honolulu Hawaii 96824 United States 808-371-7273 mhamm@micropileshawaii.comMichael Hammond Patriot Engineering 6330 East 75th Street, Suite 216 Indianapolis Indiana 46250 United States 317-576-8058 mjhammond@my.trine.eduBuck Hammond Baroid Industrial Drilling Products 3000 N Sam Houston Pkwy E Houston Texas 77032 United States 832-472-3465 buck.hammond@halliburton.comJie Han University of Kansas CEAE Deparment Lawrence Kansas 66045 United States 7858643714 jiehan@ku.eduChanjuan Han Case Western Reserve University 2555 Kemper Road Apt 307 Shaker Heights Ohio 44120 United States 2162256986 cxh432@case.eduTravis Hanbury Atlantic Caisson Corp. 111 Theatre Road Glen Rock Pennsylvania 17327 United States 717-235-6858 thanbury@atlanticcaisson.comJeff Hanbury Atlantic Caisson Corp. 111 Theatre Road Glen Rock Pennsylvania 17327 United States 717-235-6858 jhanbury@atlanticcaisson.comCorey Handrigan Deep Foundations Contractors Inc. 145 Ram Forest Rd Stouffville ontario l0h1g0 Canada 9057505833 corey@deep.caSerena Hanke Malcolm 8701 S. 192nd Street Kent Washington 98031 United States 253-395-3300 rhanke@malccolmdrilling.comRichard Hanke Malcolm Drilling Co. 92 Natoma Street San Francisco California 94105 United States 415-901-4400 rhanke@malcolmdrilling.comPat Hannigan GRL Engineers, Inc. 30725 Aurora Road Cleveland Ohio 44139 United States 216-831-6131 phannigan@GRLengineers.comKyle Hansen mid america drilling 202 n main st oakland Iowa 51560 United States 800-432-0008 john@midamericadrilling.comBrandon Hansen Foundation Drilling of Illinois, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 mgambla@foundationdrillingco.comBryce Hansen Univeristy of Minnesota Duluth 2176 rice lake road Duluth Minnesota 55812 United States 507-829-3646 hans4485@d.umn.eduMd Haque Louisiana Transportation research Center 1315 Bob Pettit Blvd; Apt 28 Apt No28 Baton Rouge Louisiana 70820 United States 2254547323 mhaque3@lsu.eduJason Hardell George Harms Construciton Co Inc PO Box 817 Farmingdale New Jersey 07727 United States 732-751-2070 kconnelly@ghcci.comJason Hardell George Harms Construciton Co Inc PO Box 817 Farmingdale New Jersey 07727 United States 732-751-2070 kconnelly@ghcci.comBRYAN HARDMAN INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 BHARDMAN@IDEDRILLS.COMJill Hardwick Parks Drilling Co. 5745 Avery Road Dublin Ohio 43016 United States (614) 761-7707 parksdrilling@aol.comJon Hardwick Parks Drilling Co. 5745 Avery Road Dublin Ohio 43016 United States (614) 761-7707 parksdrilling@aol.comLevi Hardy Foundationdrilling.com PO Box 2010 Canyon Lake Texas 78133 United States 830-935-3344 rv@foundationdrilling.comJeff Harkless Hark Drilling 12225 W. Peoria Ave El Mirage Arizona 85335 United States 623-434-3105 jeff.harkless@harkdrilling.comDavid Harkness POMERLEAU 500 rue St-Jacques 11th Floor MONTREAL QC H2Y 0A2 Canada (514) 789-2728 david.harkness@pomerleau.caRobert Harms George Harms Construciton Co Inc PO Box 817 Farmingdale New Jersey 07727 United States 732-751-2070 kconnelly@ghcci.comJeff Harmston Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 Jharmston@ecanet.com

Jim Harmston Foundation Consulting Services 802 Northern Shores Point Greensboro North Carolina 27455 United States 336-288-0814 jharmston@triad.rr.comCharles Harrell AH Beck Foundation Company 5123 Blanco Road San Antonio Texas 78216 august@ahbeck.comWes Harrill mid america drilling 202 n main st oakland Iowa 51560 United States 800-432-0008 john@midamericadrilling.comJD Harris JDH Contracting 8109 Network Drive Plainfield Indiana 46168 United States 317-839-0520 jdharris@jdhcontracting.comChris Harris R.W. Harris, Inc. 12300 44th St. N Clearwater Florida 33762 United States 727-572-9200 chris@rwharrisinc.comThayne Harris Hayward Baker Inc. 1780 E. Lemonwood Drive Santa Paula California 93060 United States 8059331331 TPHarris@haywardbaker.com

Jill HarrisLester Communications, Piling Canada magazine 701 Henry Avenue Winnipeg Manitoba R3E 1T9 Canada 866-953-2182 jharris@lesterpublications.com

Joe Harris Hayward Baker 11575 Wadsworth Blvd. Broomfield Colorado 80020 United States 303-469-1136 jjharris@haywardbaker.comLINDA HARTLEY QSP PACKERS, LLC 2316 INTER AVE. STE. D PUYALLUP Washington 98372 United States 253-770-0315 info@qsppackers.comMARK HARTLEY QSP PACKERS, LLC 2316 INTER AVE. STE. D PUYALLUP Washington 98372 United States 253-770-0315 info@qsppackers.com

Jan Hartman Oweis Engineering Inc. 100 E. Hanover Ave. Suite 101 Cedar Knolls New JerseyNew Jersey 07927 United States 973-539-4400 msalvo@oweisengineering.com

Wolfgang Hartmann Bauer 100 N FM 3083 East Conroe Texas 77303 United States 713-691-3000 wolfgang.Harmann@bauer.deSimon Harvey University of Toronto 3-359 Davenport Road Toronto Ontario M5R1K6 Canada 416-904-0720 sge.harvey@mail.utoronto.caMike Harwood Züblin inc. 6790 Cenutry Avenue Mississauga L5N 2V8 Canada 4168409524 Mike.Harwood@zueblin.usMike Haschemeier Helitech Civil Construction Division 8251 Bunkum Road Kaseyville Illinois 62232 United States 618-410-3456 mikeh@helitechccd.comVince Hasen Trinity Products, Inc. 1969 W Terra Lane O'Fallon Missouri 63366 United States 800-456-7473 vhasen@trinityinc.comMichael Hasen HVJ Associates, Inc. 6120 S. Dairy Ashford Houston Texas 77072 United States 281-933-7388 mhasen@hvj.comYoussef Hashash University of Illinois 205 N. Mathews Ave Urbana Illinois 61801 United States 12176496065 hashash@illinois.eduAndrew Haskell Virginia Tech 621 progress st blacksburg Virginia 24060 United States 7036747343 ahask@vt.eduShehab Hassan Southern Methodist University 5555 Amesbury Dr, APT # 305 Dallas Texas 75206 United States 469-340-8466 shassan@smu.eduWilliam Hasse hasse contracting co.,inc. p.o. box 26808 albuquerque New Mexico 87125 United States 505-242-9226 bhasse@hasseco.comDeborah Hasse hasse contracting co.,inc. p.o. box 26808 albuquerque New Mexico 87125 United States 505-242-9226 bhasse@hasseco.comDale Hata Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 dh@avarconstruction.comSybil Hatch SOILMEC Emeryville California s.hatch@conveyinc.comBrian Haug TRI-STATE DRILLING Plymouth Minnesota United States bhauge@tristatedrilling.comNeal Haughton HCM Ayr Ontario Canada 5196236454 nealh@hcgroup.ca

Joseph Havlicek University of Oklahoma 202 W. Boyd StCarson Engineering Center Norman Oklahoma

73019-1024 United States 4056947421 soltani@ou.edu

Brian Havrilla Winter Equipment 1900 Joseph Lloyd Pkwy Willaby Ohio 44094 United States 800-294-6837 bhavrilla@winterequipment.comBrian Hawk Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comTrae Hawkins Favor Steel & Fabricating 1110 Industrial Blvd Bessemer Alabama 35022 United States 205-426-3288 trae@favorsteel.com

Martin Hawkswood Proserve Ltd 80 Priory Rd KeniworthWarwickshire CV8 1LQ United Kingdom 01926 5122222 office@proserveltd.co.uk

Michael Hayes Hayes Drilling Inc. 15525 S. Mahaffie Street Olathe Kansas 66062 United States 913-768-9500 mhayes@hayesdrillinginc.comKevin Hayhoe Keller Canada 2820 3rd Ave NE Calgary T2A 2L5 Canada 587 583 2104 khayhoe@kellercanada.comPaul Haynes Atlas Copco 3775 Daniels Run Road Pilot Virginia 24138 United States 720-891-7164 paul.haynes@us.atlascopco.comJonathan Hazenberg Agra Foundations 7708 Wagner Road NW Edmonton Alberta T6E 5B2 Canada 780-468-3392 jonathan.hazenberg@agra.comDavid Heber Terradol Civil 467 Sylvan Ave Suite 101 Englewood Cliffs New Jersey 07632 United States 201-568-1951 heber@terradol.comBrian Heck Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio 45231 United States 5138258100 bheck@goettle.comDouglas Heenan Advanced Construction Techniques Ltd 3935 Lloydtown Aurora Road King Ontario L7B0E7 Canada (905) 939-7755 dheenan@agtgroup.comGreg Hefner MAIT USA 19 Davidson Lane, Bldg 5 New Castle Delaware 19720 United States 302-778-3844 info@maitusa.comJon HEFTY PKF-Mark III, Inc. PO Box 390 17 Blacksmith RD Newtown Pennsylvania 18940 United States 2159685031 jdh@pkfm.com

Christian Heichel Hammer & Steel, Inc. / ABI 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 49 6028 123 101 cheichel@abi-gmbh.deWilliam Heileman Lally Pipe 8770 Railroad Drive covington Kentucky 41015 United States 8598151605 wheileman@lallypipe.com

Christian Heinecker BAUER Maschinen GmbH BAUER-Straße 1 Schrobenhausen 86529 Germany+49 8252 97-1634 Christian.Heinecker@bauer.de

Eberhard Heinzemann GSS TITAN 3323 WEST 21ST AVENUE VANCOUVER BC V6S1G8 Canada 604 220 3649 eberhard@gsstitan.comTom Heller Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tom.heller@liebherr.comMark Helling Terex 500 Oakwood Road Watertown South Dakota 57201 United States 605 882 5526 Mark.Helling@terex.comCraig Hellmich Beaty Construction, Inc. 5292 W. 100 N. Boggstown Indiana 46110 United States 317-835-2254 chellmich@beatyinc.com

Ali Helwa University of Texas Austin 3465 Lake Austin Blvd APT B3451 Lake Austin Blvd Apt B Austin Texas 78703 United States 5122015327 ali.f.helwa@utexas.edu

Kellie Henke DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 craig.henke@dbmcontractors.comCraig Henke DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 craig.henke@dbmcontractors.comBOB HENLEY DarDrill, Inc. 131 CALIFORNIA DRIVE WILLIAMSVILLE New York 14221 United States 716-634-0484 bhenley@DarDrill.com

Laurie Henley Aldridge Electric 8195 Remsen Rd Akron New York 14001 United States 716-553-7700 henllr@aol.comMichael Henley Aldridge Electric 8195 Remsen Rd Akron New York 14001 United States 716-553-7700 mhenley@aldridge-electric.comRick Hennessey Control Chemical 7016 30th street SE Calgary AB T2C1N9 Canada 403-720-7044 ryan@controlchemical.comCale Henry mid america drilling 202 n main st oakland Iowa 51560 United States 800-432-0008 john@midamericadrilling.comJohn Henry mid america drilling 202 n main st oakland Iowa 51560 United States 800-432-0008 john@midamericadrilling.com

Karen Henry US Air Force Academy 2354 Fairchild Drive, DFCE Suite 6J-111US Air Force Academy Colorado 80840 United States 7193587579 karen.henry@usafa.edu

Jordan Henry University Of Missouri-Columbia 6821 East South Field Drive Columbia Missouri 65201 United States 573-821-0672 jchgzd@mail.missouri.eduScott Hensley Culy Construction & Excavation 610 N. East Winchester Nebraska 47394 shensley@culyconstruction.comMark Herbert Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.comClark Herbst Atlas Copco 11825 W. Carmen Ave. Milwaukee Wisconsin 53225 United States 414-520-6164 clark.herbst@us.atlascopco.comBill Herman Pile Dynamics, Inc. 30725 Aurora Road Cleveland Ohio 44139 United States 216-831-6131 bill@pile.comShannon Hernandez California State University, Los Angeles 1501 College View Dr Apt B Monterey Park California 91754 United States 3236377354 shannonhfrazee@gmail.comCesar Hernandez Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertyson@oscarordunoinc.comHugo Hernandez Ingenieros&Asociados 19251 Preston Rd. Apt 612 Dallas Texas 75252 United States 469-5442255 hernandezh29@gmail.comRogelio Hernandez The University of Texas-Pan American 840 Shannon ave Alamo Texas 78516 United States 9562123898 rhernandezs@broncs.utpa.eduBernie Hertlein GEI Consultants, Inc. 400 N. Lakeview Parkway Suite 140 Vernon Hills Illinois 60061 United States 8479843401 bhertlein@geiconsultants.com

Jason Hertz Langan Engineering 21 Penn Plaza360 West 31st Street, 7th Floor New York New York

10001-2727 United States 5165097762 jhertz@langan.com

Bill Herwig TRI-STATE DRILLING Plymouth Minnesota United States bherwig@tristatedrilling.comWolfgang Herzog Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 wolfgang.herzog@liebherr.comKevin Heskett Skyline Steel 8298 North Long Lake Road Traverse City Michigan 49685 United States 586 940 2112 kevin.heskett@skylinesteel.comDave Hicks Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio Ohio 45231 United States 5138258100 dhicks@goettle.comKarl Higgins III ECS Mid-Atlantic LLC 14026 Thunderbolt Place Suite 100 Chantilly Virginia 20151 United States 703-471-8400 khiggins@ecslimited.comUdo Hilbert ZÜBLIN Inc. 6790 Century Avenue Suite 401 Mississauga Ontario L5V2N8 Canada +14168409524 Udo.Hilbert@zueblin.caRobert Hileman Houston International Insurance Group 600 Galleria Parkway Suite 770 Atlanta Georgia 30339 United States 7707012662 rhileman@hiig.comJeffrey R. Hill Hayward Baker 1530 South Second St. St. Louis Missouri 63104 United States 314-802-2920 jrhill@haywardbaker.comBrian Hill Baker Pile Driving Covington Louisiana brian@bakerpiledriving.comHarley Hill H&H Foundation Drilling, Inc. Joplin Missouri hhfdinc@gmail.comJosh Hilton Condon-Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 5106362100 jhilton@condon-johnson.comDennis Hiltunen University of Florida 365 Weil Hall P. O. Box 116580 Gainesville Florida 32611 United States 13523929537 dhilt@ce.ufl.edu

Dirk Himborg RTG BAUER-Straße 1 Schrobenhausen 86529 Germany+49 8252 97-1634 dirk.himborg@bauer.de

Scott Himes OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comChuck Hines Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 regan@illinidrilling.comJulie Hines Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 julie@illinidrilling.comBill Hiney Nicholson Construction 850 N 550 W North Salt Lake Utah 84054 United States 801-296-5899 bill.hiney@nicholsonconstruction.comWilliam Hinze Hinze Drill Shaft Service PO Box 275 Cade Louisiana 70519 United States 337-364-7608 drill_shaft@bellsouth.netNancy Hinze Hinze Drill Shaft Service PO Box 275 Cade Louisiana 70519 United States 337-364-7608 drill_shaft@bellsouth.netStacey Hinze Hinze Drill Shaft Service PO Box 275 Cade Louisiana 70519 United States 337-364-7608 drill_shaft@bellsouth.netGerald Hinze Hinze Drill Shaft Service PO Box 275 Cade Louisiana 70519 United States 337-364-7608 drill_shaft@bellsouth.netJohn Hislop Atlas Copco 45 West Vine St. Grantsville Utah 84029 United States 435 830 8149 jhislop1952@yahoo.comChu Ho Arup 77 Water Street New York New York 10005 United States 212-3778358 chu.ho@arup.comEd Hoag PKF-Mark III, Inc. PO Box 390 17 Blacksmith RD Newtown Pennsylvania 18940 United States 2159685031 EMH@PKFM.COMDave Hoag ATS Drilling 6559 Midway Road Haltom City Texas 76117 United States 8174980040119 dhoag@atsdrilling.comKevin Hobson CMG PO Box 80252 Billings Montana 59108 United States 4066551892 kevinh@cmgbillings.com

David Hodgkin South Sask Rathole Box 1052 WayburnSaskatchewan S4H 2L3 Canada 306-861-7800 brucehodgkin@hotmail.com

Bruce Hodgkin South Sask Rathole Box 1052 WayburnSaskatchewan S4H 2L3 Canada 306-861-7800 brucehodgkin@hotmail.com

Bryan Hoffman PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-351-1862 bhoffman@pengoattachments.comEric Hoffman Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comArt Hoffmann Gannett Fleming 207 Senate Avenue Camp Hill Pennsylvania 17011 United States 717-763-7212 ahoffmann@gfnet.comVan Hogan PDCA 33 Knight Boxx Road, Suite 1 Orange Park Florida 32065 United States 904-215-4771 van@piledrivers.orgJosh Holley Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 jholley@bayshoresystems.comTerence Holman Geosyntec 24w535 Neptune Court Naperville Illinois 60540 United States 6302033349 tholman@geosyntec.comSteve Holtz Hayes Drilling, Inc. 15525 S. Mahaffie St. Olathe Kansas 66062 United States 816-918-7557 Sholtz@hayesdrillinginc.comRobert Holtz University of Washington 4108 42nd Ave NE Seattle Washington 98105 United States 2065258433 holtz@uw.edu

Brenda Holtzman CONKLIN STEEL Cincinatti Ohio United States bholtzman@jmc-afm.com

SARAH HONEYMANPILING PRODUCTS A DIVISION OF ROLL FORM GROUP 5879 BARTRAM VILLAGE DRIVE JACKSONVILLE Florida 32258 United States 904-287-8000 shoneyman@pilingproducts.com

Carisa Hook CZM 4 Sunbriar Lane Polar Georgia 31322 United States 980-297-8512 carisahook@yahoo.comTodd Hopkins Preset Piling Ltd 33 Terracon Place Winnipeg R2J 4B3 Canada 204-233-7391 thopkins@presetpiling.comJeff Hopple Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.com

Doug Horvath Advanced Construction Techniques Inc. 1000 N. West Street Suite 1200 WashingtonDistrict of Columbia 19801 United States 877-373-7248 dhorvath@agtgroup.com

Zahid Hossain Arkansas State University PO Box 1740 State University Arkansas 72404 United States 8706804299 mhossain@astate.eduJay Houghton J & G Sale INC P.O. Box 547 Bellville Texas 77418 United States 9798654300 jhoughton@jgsalesinc.comMatt Houliston Magnum Piering 6082 Schumacher Park Drive Westchester Ohio 45069 United States 800-822-7437 mhouliston@magnumpiering.comMatthew Houston RSC Bio Solutions 9609 Jackson St. Mentor Ohio 44060 United States 512-867-5141 mhouston@rscbio.com

Sandra Houston Arizona State University PO Box 873005 Tempe, AZ Arizona85287-3005 United States 4809652790 sandra.houston@asu.edu

Isaac Howard Mississippi State University Procurement & Contracts Post Office Box 5307 Mississippi State Mississippi 39762 United States 662-325-7193 ilhoward@cee.msstate.eduNeal Howard McKinney Drilling Company 15800 Ih-35 Buda Texas 78610 United States 5123121525 nhoward@mckinneydrilling.comWendy Howell Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comRichard Howells ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6129 richard@rocequipment.comMarcus Howells Jones Drilling PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comJason Hoy Longfellow Foundations, Inc. 909 Corey Rd Hutchinson Kansas 67501 United States 620-662-1228 lfi@longfellowfoundations.com

Roman Hryciw University of Michigan 2366 GG Brown 2355 Hayward St. Ann Arbor Michigan48109-2125 United States 7347635491 romanh@umich.edu

Liangbo Hu University of Toledo 3023 Nitschke Hall 2801 W. Bancroft St Toledo Ohio 43606 United States 1-419-530-8124 liangbo.hu@utoledo.eduJie Huang University of Texas at San Antonio one UTSA Circle San Antonio Texas 78249 United States (210) 458-7908 jie.huang@utsa.eduZhanyu Grace Huang Virginia Tech 1720 Patrick Henry Drive #8 Blacksburg Virginia 24060 United States 5404497825 zhanyuh8@vt.eduYunhan Huang University of Texas at Austin 7117 Wood Hollow Dr #1932 Austin Texas 78731 United States 5126338379 busterlinker@gmail.comShane Hubbard Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comGerald Huber Bauer 100 N FM 3083 E Conroe Texas 77303 United States 936-539-5030 gerald.huber@bauer.deFlorian Hude Stressteel 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 florian.hude@annahuette.comDavid Hudson Mason Construction PO Box 20057 Beaumont Texas 77720 United States 409-842-4455 dhudson@masonconstruction.netNick Hudyma University of North Florida 1 UNF Drive Jacksonville Florida 32224 United States 904-620-2195 nhudyma@unf.eduJonathan Huff Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio 45231 United States 5138258100 jhuff@goettle.comBrandon Hughes Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 bhughes@thatcherfoundations.comPat Hughes APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 geobobbyc@yahoo.comJames Hughes DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 jhughes@drilltoolsinc.comAllen Hughes Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 mwysockey@thatcherfoundations.comDavid Hughes Bauer Foundation Corp 13203 Byrd Legg Drive Odessa Florida 33556 United States 727-531-2577 dhughes@bauerfoundations.comJeremy Huglin Humboldt Mfg. Co. 875 Tollgate Rd. Elgin Illinois 60123 United States 800-537-4183 Mahir@humboldtmfg.comGregory Hulett Mid South Fabrication & Coating POB 150617 Longview Texas 75615 United States 9032970199 gjhulett@midsouthfab.comTom Humphries Keller Canada #2 - 53016 Hwy 60 Acheson Alberta T7X 5A7 Canada 647-567-1724 thumphries@kellercanada.comJim Humphries Keller Canada 2-53016 Hwy 60 Acheson Alberta T7X 5A7 Canada 780-960-6733 jhumphries@kellercanada.comJeremy Hung PB World New York New York hung@pbworld.comDan Hunt Matcon Canada 2208 Hartley Avenue Coquitlam BC V3K 6X3 Canada 604-520-2044 danh@matconcanada.comIan Hunt Double Star Drilling 312 Hayes Crescent Acheson T7X 5A4 Canada 7804844276 ian@doublestardrilling.caBrad Hunter DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comDan Hunter Bauer Foundation Corp. 13203 Byrd Legg Drive Odessa Florida 33556 United States 7275312577 dhunter@bauerfoundations.comAdam Hurley Berkel & Company Contractors 2647 S. 142nd Street Bonner Springs Kansas 66012 United States 913-422-3588 adam@berkelandcompany.comTrevor Hurst Farmersville Foundation Tooling PO Box 111 Farmersville Texas 75442 United States 972-784-6689 shurst@farmersvilletooling.comSamantha Hurst Farmersville Foundation Tooling PO Box 111 Farmersville Texas 75442 United States 972-784-6689 shurst@farmersvilletooling.comMd Ishtiaque Hussain University of Texas Arlington Arlington Texas ishtiaque0704094@gmail.comMohamad Hussein GRL Engineers, Inc. - Florida Office 8000 So. Orange Avenue Orlando Florida 32809 United States 407-826-9539 mhussein@GRLengineers.comJames Hussin Hayward Baker Inc. 6850 Benjamin Road Tampa Florida 33634 United States 8138843441 JDHussin@HaywardBaker.comHutch Hutchison PPT 800 SW Blvd Kansas Ccity Kansas 66103 United States 913-207-2460 hutch@pptkc.comZachary Hutson University of Wyoming 2838 S 18th St. Laramie Wyoming 82070 United States 3072236407 zhutson@uwyo.eduCharles Huynh Case Foundation 850 Cassett Road Suite 370 Berwyn Pennsylvania 19312 United States 610-353-0600 cmhuynh@casefoundation.comDavid Hyland Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 dhyland@ecanet.comSandi Iacabucci Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 sandi.Iacbucci@watsonusa.com

Izzat Idriss I. M. Idriss PO Box 32027 Santa Fe New Mexico87594-2027 United States (505) 995-0405 imidriss@aol.com

Hannah Iezzoni University of Colorado - Boulder 730 Concord Ave Apt A Boulder Colorado80304-4008 United States 13035512907 hannahmiezzoni@gmail.com

Marvin Iffert Hayward Baker Inc. 509 N. Sam Houston Parkway East Suite 300 Houston Texas 77060 United States 281-668-1870 mgiffert@haywardbaker.com

Segun Ikugbonmire Vibroflotation & Geotechnical Nigeria Ltd 6/8 Michael Adekoya Street Ilupeju 102102 Nigeria+234 (0) 80 33161418 segun.ikugbonmire@vibroflotation-ng.com

Brett Illidge Pacific Bit of Canada Unit 204 - 9485 189th street SurreyBritish Columbia V4N 5L8 Canada 604 513 4292 brett.illidge@pacific-bit.com

PABLO ILLINGWORTH TECNAC LOS RIOS # 825 Y HURTADO GUAYAQUIL 090107 Ecuador 59342453245 pillingworth@tecnac.comFERNANDO ILLINGWORTH TECNAC LOS RIOS # 825 Y HURTADO GUAYAQUIL 090107 Ecuador 59342453245 fjillingworth@tecnac.comLUIS ILLINGWORTH TECNAC LOS RIOS # 825 Y HURTADO GUAYAQUIL 090107 Ecuador 59342453245 Lfillingworth@tecnac.comOlusola Ilupeju Texas A&M University 3136 TAMU College Station 77843 United States 7138946684 olusola.ilupeju@neo.tamu.eduTyler Inderwiesche Dokken Engineering 7940 Mission Center ct Unit H San Diego California 92108 United States 858-514-8377 tinderwiesche@gmail.comBuddhima Indraratna University of Wollongong Northfields Ave Wollongong Wollongong 2518 Australia 42213046 indra@uow.edu.au

Wayne Ingram Williams Form Hardware & Rockbolt 670 Industrial Rd. VernonBritish Columbia N5V1V1 Canada 2503060737 wingram@williamsform.ca

Olli Inkinen Junttan Oy olli.inkinen@junttan.comSajid Iqbal University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 3149607540 sivc4@mail.missouri.eduJim Ireland Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 jireland@bayshoresystems.comBrandon Irvin TorcSill 3880 HWY 281 Three Rivers Texas 78701 United States 361-786-6527 birvin@torcsill.comTony Isaacs Linde Hydraulics Corp 3816 93rd Ave N Brooklyn Park Minnesota 55443 United States 3307274211 tony.isaacs@linde-hydraulics.comBjoern Ischebeck Friedr. Ischebeck GmbH Loherstr. 31-79 Ennepetal NRW 58256 Germany +49233383050 bjoern.ischebeck@ischebeck.deBill Isenhower Ensoft 3003 Howard Lane Austin Texas 78728 United States 512-244-6464 wmi@ensoftinc.com

Elvis Ishimwe University of Arkansas UNIV OF ARKANSASOFF OF BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 4794455300 eishimwe@uark.edu

Magued Iskander New York University Six Metrotech Center 333 Jay Street Brooklyn New York 11201 United States 7182603016 Iskander@NYU.edu

Omar Ismael University of Baghdad 1710 Ellis Dr. Apt #9 Lawrence Kansas 66044 United States +9647901701165 omarkismael@gmail.comRicky Itagaki Hawaiian Dredging Construction Company P.O. Box 4088 Honolulu Hawaii 96812 United States 8087353211 ritagaki@hdcc.comNate Iverson Veit 14000 Veit Place Rogers Minnesota 55374 United States 763-428-2242 niverson@veitusa.comDouglas Jackson POSILLICO 131-36A 20TH AVENUE COLLEGE POINT New York 11356 United States 7188784988 djackson@posillicoinc.comGeorge Jackson Specialty Drilling, Ltd. 1630 Elmview Dr. Houston Texas 77080 United States 7137228290 george@specialtydrilling.comSean Jackson Drilling Service Co. 13230 Ferguson Lane Bridgeton Missouri 63044 United States 3142911111 smjackson@drillingserviceco.comKirt Jackson GROUP Contractors, LLC PO Box 3560 Baton Rouge Louisiana 70884 United States 2257522500 Kjackson@group-industries.comChris Jackson Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 cjackson@avarconstruction.comRyan Jacobs CSULA 3742 E. 5th St. Los Angeles California CA 90063 United States 714-474-3258 rjacobs.ryan@gmail.com

Navid Jafari University of Illinois at Urbana-Champaign2206 Newmark Civil Engineering Laboratory

205 North Mathews Ave Urbana Illinois 61801 United States 217-244-2125 njafari2@illinois.edu

Hamza Jaffal The University of Texas at Austin 1910 Nueces st Apt5 Austin Texas 78705 United States 7379325665 haj@utexas.eduMichael Jahnigen Sun Piledriving Equipment 35322 Bayard Road Frankford Delaware 19945 United States 302-539-6756 michael@spe-usa.net

JOHN ROBERT JAMANCA CESAR FUENTES ORTIZ INGENIEROS SAC Av. Arequipa 2450 OF 806 LIMA LIMA14 Peru 0512216121 john.jamanca@gmail.comMarc James Doosan Portable Power 1293 Glenway Drive Statesville North Carolina 28625 United States 7048833500 marc.james@doosan.comRobert Jameson Malcolm Drilling Company, Inc. 92 Natoma Street San Francisco California 94105 United States 4159014400 rjameson@malcolmdrilling.comDawn Jamison PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-841-7411 djamison@pengoattachments.comMatthew Janes Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 778-397-8696 matthew@isherwood.to

PierFrancesco Janes Bencor Constuction 2315 Southwell Rd Dallas Texas 75229 United States 972-632-1687 pjanes@bencorconstruction.comBatsuren Jantsansambuu EngiGeotech Ltd., 2406 Main St Apt 32 Lubbock Texas 79401 United States 8064459348 mrs_batsuren@yahoo.comSteve Jaques Moretrench 100 Stickle Ave Rockaway New Jersey 07866 United States 9736272100 kcatterton@mtac.comDarryl Jaquith James McHugh Construction Co. 1737 S. Michigan Avenue Chicago Illinois 60616 United States 312-986-8000 djaquith@mchughconstruction.comTodd Jarvis DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 todd.jarvis@dbmcontractors.comJudy Jarvis Jarvis Enterprises Ltd 160 MacEwan Park Green NW Calgary Alberta T3K 4E6 Canada 403-471-5512 ian@jarvisenterprisesltd.caGraham Jarvis Paco Equipment 250 S. Webster St. Seattle Washington 98101 United States 206.762.3550 vinnie@pacoequip.comIan Jarvis Jarvis Enterprises Ltd 160 MacEwan Park Green NW Calgary Alberta T3K 4E6 Canada 403-471-5512 ian@jarvisenterprisesltd.ca

Bill Jarvis Case Foundation Company 4050 E. Cotton Center Blvd. Suite 10 Phoenix Arizona 85016 United States (602) 454-0988 wrjarvis@casefoundation.comSaif Jawad Kansas University 1760 Bagley Dr. Apt#5 Lawrence Kansas 66044 United States 7858408513 s322j480@ku.eduPriyantha Jayawickrama Texas Tech University 911 Boston Avenue Lubbock Texas 79409 United States (806) 834-0681 priyantha.jayawickrama@ttu.eduLarry Jedele SME 43980 Plymouth Oaks Blvd Plymouth Michigan 48170 United States 734-454-9900 jedele@sme-usa.comAndy Jenkins Vecellio & Grogan, Inc. 2251 Robert C Byrd Drive P.O. Box 2438 Beckley West Virginia 25801 United States 304-252-6575 Andy.Jenkins@vecelliogrogan.comStephen Jenkins Atlas Copco PO Box 93 Lyle Washington 98635 United States 425-243-2077 stephen.jenkins@us.atlascopco.comJohn Jenkins Parsons Brinckerhoff 901 MoPac Expy South Suite 595 Austin Texas 78746 United States 314-604-4772 jenkinsjo@pbworld.comKevin Jennings Foundation Drilling of Illinois, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 mgambla@foundationdrillingco.comBruce Jensen Williams Form Engineering Corp. 7601 North Columbia Blvd. Portland Oregon 97203 United States 5032854548 bjensen@williamsform.comErik Jensen University of Colorado Boulder 1501 Samos Circle Lafayette Colorado 80026 United States 860-424-7712 jensen.erik.w@gmail.comDereke Jernigan Scott Powerline P O Box 4008 Monroe Louisiana 71211 United States 318-388-9207 ksnell@scottpowerline.comApril Ji Ziking No 31 Beijing Road Hefei Anhur China 8655163367701 jx@hfzijin.comCHENGGANG JIANG ZIKING STEEL PIPE 11F, 1200 W. 73RD AVE. VANCOUVER BC V6P 6G5 Canada 604-5056719 gary@ziking.cn

Yan Jiang The University of KansasRoom 2150 Learned Hall, 1530 W 15th

St. Lawrence Kansas 66044 United States 7853124235 yanjiang@ku.edu

Geoff Jilg HCM Contractors Inc 9777 Enterprise Way SE Calgary ABAlberta, Canada T0J 1X2 Canada 403-248-4884 geoffj@hhcmc.ca

Jorge Jimenez University of Texas at Arlington Apt #125 600 Woodcrest Ln Arlington Texas TX 76010 United States (972) 302-4367 jorgejimenez568@yahoo.com

Steve Jimenez Boulderscape, Inc. 27134 B Paseo EspadaSan Juan Capistrano California 92675 United States 949-661-5087 boulderscape@gmail.com

Nicholas Jin Anchor Shoring & Caissons Ltd 3729 Springbank Dr SW CalgaryAlberta, Canada T3H4J7 Canada 587-890-2426 jin_nicholas@yahoo.com

Scott Jinnings Jinnings Equipment LLC 11515 Richard Road Churubusco Indiana 46723 United States 260-447-4343 scott@jinnings.comEgil Joesendal Qmatec Drilling AS Verkstadvegen 12 Vinje 3890 Norway +47 920 57 772 egil.josendal@qmatec.comPeter Johansson Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 peter.johansson.wassara@lkab.comFrancisco Johnsen APE/J&M 9004B Yellowhead Trail Edmonton Alberta T5B 1G2 Canada 80) 474-9888 coling@apevibro.comBrad Johnson IGES Inc. 12429 South 300 East, Ste. 100 Draper Utah 84020 United States 8017484044 bradj@igesinc.comJames Johnson Condon-Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 5106362100 jjohnson@condon-johnson.comDavid Johnson DEUTZ Coporation 3883 Steve Reynolds Blvd Norcross Georgia 30094 678-576-0106 johnson.d@deutzusa.comClint Johnson MUDTeCH LLC PO BOX 41 Dousman Wisconsin 53118 United States 262 993 8455 clint@mudtech.comGarrett Johnson MUDTeCH LLC PO BOX 41 Dousman Wisconsin 53118 United States 262 993 8455 steve@mudtech.comNed Johnson Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comDavid Johnson MORGAN CORP. Post Office Box 3555 Spartanburg South Carolina 29304 United States 8644338800 djohnson@morgan-corp.comChristy Johnson Hubbell Power Systems, Inc. 210 North Allen Street Centralia Missouri 65240 United States 573-682-8709 cljohnson@hubbell.comCharlie Johnson CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 cjohnson@cjdrilling.comTammie Johnson CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 tammie@cjdrilling.com

MIKE JOHNSON NICHOLSON CONSTRUCTION COMPANY 12 MCCLANE ST CUDDY 15031 United States 412-221-4500MIKE.JOHNSON@NICHOLSONCONSTRUCTION.COM

Steve Johnson Bolander 251 Starkey St St Paul Minnesota 55105 United States 651-244-6299 sjohnson@bolander.comKarol Johnson Foundationdrilling.com PO Box 2010 Canyon Lake Texas 78133 United States 830-935-3344 rv@foundationdrilling.comDan Johnson American Wick Drain 301 Brook Glen Dr Garland Texas 75044 United States 800-242-9425 djohnson@americanwick.comDean Johnson Auger Drilling, Inc 1825 walnut hill Suite 120 Irving Texas 75038 United States 2147072833 Augerdrilling@yahoo.comGreg Johnson Commerical Credit Group 9306 Windrush Drive Spring Texas 77379 United States 281-379-1991 gjohnson@commericalcreditgroup.comStewart Johnson MORGAN CORP. Post Office Box 3555 Spartanburg South Carolina 29304 United States 8644338800 SJOHNSON@MORGAN-CORP.COMJeff Johnson Scott Powerline 318-388-9207 KSnell@scottpowerline.comSpark Johnston Condon-Johnson & Associates 9012 S 208th St Kent Washington 98058 United States 425-988-2150 sjohnston@condon-johnson.comDAVID JOHNSTON INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 DJOHNSTON@IDEDRILLS.COMBoyd Johnston Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comSpark Johnston Condon-Johnson & Associates 9012 S 208th St Kent Washington 98058 United States 425-988-2150 sjohnston@condon-johnson.comChris Jones Jones Drilling & Shoring 5633 W Axel Park Rd West Jordan Utah 84081 United States 801-280-2908 chrisj@jonesexcavating.comScott Jones HC Matcon Inc. 126 Earl Thompson Rd ayr ontario m8z3n5 Canada 4164578313 jasonw@hcgroup.caBob Jones Jones Drilling & Shoring 5633 W Axel Park Rd West Jordan Utah 84081 United States 801-280-2908 Chrisj@jonesexcavating.comDameon Jones Jones Drilling & Shoring 5633 W Axel Park Rd West Jordan Utah 84081 United States 801-280-2908 chrisj@jonesexcavating.comMatt Jones MINCON PO Box 13886 Roanoke Virginia 24038 United States 5403449939 carlseeliger@mincon.comSteve Jones DBig Dog Drilling LLC. 1154 Old Millwood Rockwall Texas 75087 United States 972-771-0173 steve@bigdogdrilling.netChristina Jones University of Colorado Boulder Boulder Colorado chrjones@colorado.eduTae Ju Subsurface Construction Company 1107 Fuller St Raleigh North Carolina 27603 United States 9198574609 tjju@subsurfaceconstruction.comHsein Juang Clemson University 214 Lowry Hall Clemson South Carolina 29634 United States 864 656 3322 hsein@clemson.edu

Vincent Jue Champion Equipment Co. 8140 E. Rosecrans Ave. Paramount California 90723 United States 5626348180 vjue@champion-equipment.comBen Juett Bay Shore Systems 67 Thompson Road Kingsholm 4208 Australia 0417870929 bjuett@civgroup.com.auDave Julian Kelly Tractor Co 8255 NW 58th Street Miami Florida 33166 United States 305-592-5360 dave_julian@kellytractor.comPete Jung Veit 14000 Veit Place Rogers Minnesota 55374 United States 763-428-2242 PJung@veitusa.comKarl Juntunen Robit Finland 358331403400 karl.juntunen@robit.fiDave Juskie Stalworth Underground LLC 5515 North East River Road Chicago Illinois 60656 United States 773-230-2935 dave@s-ug.netScott Justason McMaster University 54 Maple Avenue Dundas Ontario L9H 4W4 Canada 905-525-9140 mdjustason@gmail.comEric Justason McMaster University 54 Maple Avenue Dundas Ontario L9H 4W4 Canada 905-525-9140 mdjustason@gmail.comNancy Justason McMaster University 54 Maple Avenue Dundas Ontario L9H 4W4 Canada 905-525-9140 mdjustason@gmail.com

Mike JustasonMcMaster University / Bermingham Foundation Solutions 54 Maple Avenue Dundas Ontario L9H 4W4 Canada 905-525-9140 mdjustason@gmail.com

Bruce Kabalen Link-Belt Construction Equipment 2651 Palumbo Dr. Lexington 40509 United States 859-263-5200 bkabalen@linkbelt.comMohammed Kabir FERC 19 West 34th Street Suite 400 New York New York 10001 United States 212-273-5905 nathan.sockanathan@ferc.govShaymaa Kadhim The University of Kansas 1712 Anna Dr. Apt #7 Lawrence Kansas 66044 United States 785-727-8978 s207k302@ku.eduCraig Kadlecek Bauer-Pileco Inc. 100 N. FM 3083 East Conroe Texas 77303 United States 713-699-7652 craig.kadlicek@bauer-conroe.comChris Kagren OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comBen Kahl PJ's Rebar, Inc. 45055 Fremont Blvd Fremont California 94538 United States 510-743-5292 bkahl@pjsrebar.comCraig Kaibel Geotechnology, Inc. 11816 Lackland Road, Suite 150 St. Louis Missouri 63146 United States 314-997-7440 c_kaibel@geotechnology.com

Robert Kaindl BAUER Maschinen GmbH BAUER-Straße 1 Schrobenhausen 86529 Germany+49 8252 97-1634 Robert.Kaindl@bauer.de

Jamal Kakrasul Kansas University 1710 Ellis dr. #2 Lawrence Kansas 66044 United States 7859798099 Jamalkakrasul@ku.eduMike Kalder McKinney Drilling 4631 E. Holmes Rd Memphis Tennessee 38118 United States 9013639421 mkalder@mckinney.comLeigh Kalder McKinney Drilling 4631 E. Holmes Rd Memphis Tennessee 38118 United States 9013639421 mkalder@mckinney.comKristin Kalson Babst Calland 603 stanwix street pittsburgh Pennsylvania 15222 United States 4123946557 kalson5@verizon.netRick Kalson Babst Calland 603 stanwix street pittsburgh Pennsylvania 15222 United States 4123946557 rkalson@babstcalland.comSoheil Kamalzare VIRGINIA TECH skamal67@vt.eduAbhijith Chandrakaran Kamath Texas A&M 401 Southwest Pkway Apt 208

Parkway circle aparments College Station Texas 77840 United States 5189616878 ackamath@tamu.edu

Shigeru Kambe Giken America Corporation 5770 Hoffner Ave. Suite 101 Orlando Florida 32822 United States 407-380-3232 skambe@gikenamerica.comPaul Kamisnski Walsh Group 929 Adams Chicago Illinois United States 312-656-1311 pkaminski@walshgroup.comSteve Kamp Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 skamp@williamsform.comBharat Kandadai Virginia Tech 1205 Snyder Lane #1100C Blacksburg Virginia 24060 United States 469-343-5379 bharat17@vt.eduKishore Kandikunta Terex 500 Oakwood Road Watertown South Dakota 57201 United States 605 882 5526 Kishore.Kandikunta@terex.com

Sumitra Kandolkar MUMBAIMaharashtra 400076 India 02225767335 sumitrakandolkar@gmail.com

Sanchit Kandolkar MUMBAIMaharashtra 400076 India +919850981566 sumitrakandolkar@gmail.com

Kevin Kane ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 kkane@iceusa.comZach Kane Aldridge Construction 844 east rockland road libertyville Illinois 60048 United States 8472765999 zkane@aldridgeconstructioninc.comNice Kaneza University of Arkansas 3235 W. Woodridge Dr. Fayetteville 72704 United States 917-692-1026 nk003@uark.eduRamanuja Kannan US Army Corps of Engineers PO Box 17665 Ft Worth Texas 76102 United States 817-886-1631 ramanuja.kannan@usace.army.milJUDY KANNON MALCOLM DRILLING CO., INC. 92 NATOMA ST. #400 SAN FRANCISCO California 94105 United States 415-901-4400 MALARCON@MALCOLMDRILLING.COMBARRY KANNON MALCOLM DRILLING CO., INC. 92 NATOMA ST. #400 SAN FRANCISCO California 94105 United States 415-901-4400 MALARCON@MALCOLMDRILLING.comSheldon Kapeller Glacier Blasting & Shoring Box 6066 Innisfail Alberta T4G 1S7 Canada 587-999-4346 sheldon@glaciershoring.comZana Karimi UNIVERSITY OF COLORADO Boulder Colorado zana.karimi@colorado.eduMazdak Karimpour Southern Illinois University 39B Cougar Dr Glen Carbon Illinois 62034 United States 6184069395 mkarimp@siue.eduGarold Kashiwa Hawaiian Dredging Construction Co. P.O.Box 4088 Honolulu Hawaii 96812 United States 8084788436 gkashiwa@hdcc.comBrian Kassel TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comMark Kassity Commercial Credit Group 2135 City Gate Lane Suite 440 Irvine California 60563 United States 6307184650 mkassity@commericalcreditgroup.com

Maren Katterbach Lombardi Ltd. Via R. Simen 19 MinusioSwitzerland 6648 Switzerland +41786617624 maren.katterbach@lombardi.ch

Gordon Kattner Hayward Baker 509 N. Sam Houston Parkway East Suite 300 Houston Texas gdkattner@haywardbaker.comBob Kaufman Cardno PPI 9821 Katy Freeway, Suite 600 Houston Texas 77024 United States bob.kaufman@cardno.comJosh Kaup UNIVERSITY OF THE PACIFIC 3601 Pacific Avenue Stockton California 95211 United States 2092564235 j_kaup@u.pacific.edu

Ed Kavazanjian Arizona State UniversitySchool of Sustainable Engineering and the Buil Environment P.O. Box 873005 Tempe Arizona

85287-3005 United States 480-727-8566 edkavy@alum.mit.edu

Hasan Kazmee University of Illinois at Urbana-Champaign 1611 Titan Drive Rantoul Illinois 61801 United States 2174199971 kazmee2@illinois.eduJosh Keck Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.com

John Keeler Seaboard Foundations PO box 126408 Benbrook TX 76126 United States 817-984-6527 jkeeler@seaboardfoundations.comWendi Keeler SEABOARD FOUNDATIONS Post Office Box 126408 Benbrook Texas 76126 United States 8179846527 dfrye@mckinneydrilling.comAndrew Keene UNIVERSITY OF TEXAS 1618 West 6th Street Austin Texas 78703 United States 6085164341 akkeene@utexas.eduJeremy Kehoe Agate Construction Co., Inc. 1030 Route 83 Clermont New Jersey 08210 United States 6096249090 jkehoe@agateconstruction.netRYAN KEJR GEOPROBE SYSTEMS 1835 WALL ST SALINA Kansas 67401 United States 785-404-1160 chril@geoprobe.comDouglas Keller Richard Goettle, Inc. 12071 Hamilton Ave Cincinnati Ohio 45231 United States 5138258100 dkeller@goettle.comKodie Keller Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comMike Kelley DYWIDAG Systems International 320 Marmon Drive Bolingbrook Illinois 60440 United States 6303011314 anna.dexter-thornton@dsiamerica.comNick Kelly Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 5616832015 deanne_hull@kellytractor.comRANDY KELLY COX INDUSTRIES PO BOX 1124 ORANGEBURG South Carolina 29115 United States 803-614-1115 RKELLEY@COXWOOD.COMJonathan Kelly Betek Tools Inc. 295 Clark Street Abingdon Virginia 24210 United States (385)335-1553 jp.kelly@betek-tools.com

Peter Kelly University of Portsmouth Flat 8, Ramillies House Cross St PortsmouthHampshire po1 3gh United Kingdom +442392842904 peter.kelly@port.ac.uk

Dan Kelsey Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15317 United States (412) 221-4500 dan.kelsey@nicholsonconstruction.comMike Kemery Longfellow Drilling Clearfield Iowa 50840 United States 6413362297 mkemery@ldrilling.comRay Kemppainnen Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 ray@ecacanada.caAmaneh Kenarsari Michigan Technological University 1400 Townsend Drive Houghton Michigan 49931 United States 9062818520 aeslamik@mtu.eduJill Kennedy Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 jill.kennedy@watsonusa.comJordan Kenney Kenney Construction, Inc. Santabara California United States 805-884-1579 jordan@kenneyconstruction.comJonathan Kenney Kenney Construction, Inc. Santabara California United States 805-884-1579 jordan@kenneyconstruction.comJordan Kenney Kenney Construction, Inc. Santabara California United States 805-884-1579 jordan@kenneyconstruction.comMason Kent H&H Foundation Drilling, Inc. Joplin Missouri hhfdinc@gmail.comLarry Keough PKF-Mark III, Inc. PO Box 390 17 Blacksmith RD Newtown Pennsylvania 18940 United States 2159685031 lpk@pkfm.comLori Kern Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 lorikern@verizon.netRoy Kern Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 arkern@ecanet.comRod Kern Cornell University 107 Teaberry Lane Venetia Pennsylvania 15367 United States 7248257288 ark5267@gmail.comStephanie Kerr PDCA 33 Knight Boxx Road, Suite 1 Orange Park Florida 32065 United States 904-215-4771 Steph@piledrivers.orgJim Kesslar Champion Equipment Sales, LLC. 701 Green Valley Pkwy. Suite 200 Henderson Nevada 89074 United States 8773745574 jim49_54@hotmail.comRand Khalil The University of Kansas 1942 stewart avenue apt G1 Lawrence Kansas 66046 United States 3143978652 r589k970@ku.eduMohammed Khan University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 5738827523 mk2v8@mail.missouri.eduAslam Khan Terex 500 Oakwood Road Watertown South Dakota 57201 United States 605 882 5526 Aslam.khan@terex.comMd Ashrafuzzaman Khan University of Texas Arlington Arlington Texas khanmdashrafuzzaman@gmail.comSara Khoshnevisan Clemson University 117 N Heritage Riverwood Dr Central South Carolina 29630 United States 8646337222 skhoshn@g.clemson.edu

Ali Khosravi Sharif University of Technology Azadi Ave Tehran Tehran11365-11155 Iran +98-9013610414 Khosravi@sharif.edu

Mohammad Khosravi Virginia Tech 4400 Solano Park Circle, Apt 1622 Davis California 95616 United States 7202890497 khosravi@vt.edu

Mahsa Khosrojerdi The Pennsylvania State UniversityDepartment of Civil and Environmental Engineering Sackett Building University Park Pennsylvania 16802 United States 8148658056 mxk534@psu.edu

CRAIG KIFFMEYER HARTFIEL Plano Texas craig@kiffmeyer.comWayne Kilker Jacobs Associates 59 Wendell Street Winchester Massachusetts 01890 United States 781 852 0477 hadas@comcast.netEric Kim Cal State Fullerton 1017 Rolling Hills Dr Fullerton California 92835 United States 7143352594 kimericj@csu.fullerton.edu

JiYoung Kim HYUNDAI Engineering & construction17-6, Mabuk-ro 240beon-gil, Gilheung-gu, Yongin-si, Gyeinggi-do 446-912 Korea 82-10-8913-2755 kim.jiyoung@hdec.co.kr

CHUNJIN KIM UNCC 11011 GRADUATE LN APT D CHARLOTTE North Carolina 28262 United States 9802293055 ckim44@uncc.eduPhilip King SynchroPile, Inc. 5123 Blanco Road San Antonio Texas 78216 United States 210-355-6546 phil.king@synchropile.comJohn King Pile Drivers, Inc 4530 Highway 162 Hollywood South Carolina 29449 United States 843-763-7736 kingpiledrive@aol.comLisa Kingsbury Independance Tube 6226 West 74th Street Chicago Illinois 60638 United States 800-376-6000 joshea@independancetube.comJoseph Kinworthy Bauer Foundation Corp. 13203 Byrd Legg Drive Odessa Florida 33556 United States 7275312577 joe@bauerfoundations.com

MATHIEU KIPPELEN NICHOLSON CONSTRUCTION COMPANY 12 MCCLANE ST CUDDY 15031 United States 412-221-4500mathieu.kippelen@nicholsonconstruction.com

Anastasiya Kirichuk Cal Poly San Luis Obispo 555 Ramona Drive Apt. 81A San Luis Obispo California 93495 United States 4254436828 anastassiyak@hotmail.comJanet Kirkton Caterpillar 300 Hamilton Square Peoria Illinois 61629 United States 309 675-4899 kirkton_janet_l@cat.comKarrthik Kirupakaran FloaTEC, LLC 14701 St Mary's Lane Suite 250 Houston Texas 77079 United States 2818705285 kkirupakaran@floatec.com

Masaki Kitazume Tokyo Institute of Technology 2-12-1 Ookayama, Meguro Tokyo 152-8550 Japan +81 3 5734 2798 kitazume@cv.titech.ac.jpBill Kitch Cal Poly Pomona 3801 W. Temple Ave Pomona California 91711 United States 909-869-3147 wakitch@csupomona.edu

Elizabeth Kitch elizabeth.kitch@gmail.comLance Kitchens Russo Corporation 1431 Mims Avenue SW Birmingham Alabama 35211 United States 2053141644 Lkitchens@russocorp.comMatt Klanica Case Foundation Co 850 Cassatt Road Berwyn Pennsylvania 19312 United States 6103530600 mjklanica@casefoundation.comKimberly Klieber Lawrence Tech University 21000 West Ten Mile Rd Southfield Michigan Michigan 48075 United States 248-204-2545 kklieber@ltu.eduBrandon Kluzniak ARUP 560 Mission St Suite 700 San Francisco California 94105 415-957-9445 brandon.kluzniak@arup.comJohn Knarr MINCON PO Box 13886 Roanoke Virginia 24038 United States 5403449939 johnknarr@mincon.comScott Knight Link-Belt Construction Equipment 2651 Palumbo Dr. Lexington 40509 United States 859-263-5200 sknight@linkbelt.comMartin Knight Construction Audet & Knight 140 Jacques-Bibeau Street Rouyn-Noranda Québec J9Y0A3 Canada 819-764-4666 martinknight@audetknight.comBubba Knight Loadtest USA 2631 NW 41st Street, D-1 Gainesville Florida 32428 United States 352-378-3717 bubbaknight@loadtest.comPhillip Knighton Jones Drilling & Shoring 5633 W Axel Park Rd West Jordan Utah 84081 United States 801-280-2908 chrisj@jonesexcavating.comMark Knolle CONETEC INC PO Box 22082 Salt Lake City Utah 84104 United States 8019733801 mknolle@conetec.com

Alexander Knorr BETEK GmbH & Co. KG Sulgener Str. 23 Aichhalden 78733 Germany+49 151 64960864 a.knorr@betek.de

Aida Knur Zimmer Gunsul Frasca Partnership 515 S. Flower Street, Suite 3200 Los Angeles California 90071 United States 818 378-5454 aida.knur@zgf.comAlexander Knur Geotechnologies, Inc; 439 Western Avenue Glendale California 91201 United States 818 240-9600 rknur@geoteq.comAmelia Knur Geotechnologies, Inc; 439 Western Avenue Glendale California 91201 United States 818 240-9600 rknur@geoteq.comReinard Knur Geotechnologies, Inc; 439 Western Avenue Glendale California 91201 United States 818 240-9600 rknur@geoteq.comJohannes Kocher THYSSENKRUPP Alsfeld Germany johannes.koecher@thyssenkrupp.comKim Koegler WASHINGTON CLOSURE HANFORD Richland Washington THEKIMK@HOTMAIL.COMDOUG KOEHLER GEOPROBE SYSTEMS 1835 WALL ST SALINA Kansas 67401 United States 785-404-1160 chril@geoprobe.comJeroen Koelewijn Meever USA 31 Penn Plaza New York New York 10001 United States 646 727 7582 jeroen@meever.usMarios Kofteros HAYWARD BAKER 7550 teague rd suite 300 Hanover Maryland 21076 United States 4105518200 mkofteros@haywardbaker.comRussell Kohler McCrossin 2607 Nicholson Rd Sewickley Pennsylvania 15143 United States 412-518-1669 pmartin@mccrossin.comJANAK KOIRALA CSUF 303 S ALMANSOR ST 15 ALHAMBRA California 91801 United States 8053680438 koiralajanak@csu.fullerton.eduPanagiota Kokkali Rensselaer Polytechnic Institute 110 8th Street Troy New York 12180 United States 5182768143 kokkap@rpi.eduEdward Kolakowski Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 edward@isherwood.toIan Kolda AH Beck Foundation Company 5123 Blanco Road San Antonio Texas 78216 august@ahbeck.com

Susheel Kolwalkar Youngstown State University One University PlazaDepartment of Civil Engineering Youngstown Ohio 44555 United States 330-881-0580 srkolwalkar@ysu.edu

Van Komurka Wagner Komurka Geotechnical Group, Inc. W67 N222 Evergreen Boulevard Suite 100 Cedarburg Wisconsin 53012 United States (262) 376-2001 komurka@wkg2.comDimitrios Konstantakos Deep Excavation 30-62 Steinway Str #188 Astoria New York 11103 United States 206-279-3300 dimitrios@deepexcavation.comNik Kontowicz Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comGregg Kontowicz Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comMary Kontowicz Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.com

Evangelos KontozoglouVirginia Polytechnic Institute and State University 155 Otey St

Donaldson-Brown Hall RM 0220 Blacksburg Virginia 24061 United States 540-449-7599 kevang9@vt.edu

John Konwick Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 jkonwick@ecanet.com

Duncan Kopp-Richardson Stalworth Underground LLC 5515 North East River Road Chicago Illinois 60656 United States 773-410-6160 Duncan@s-ug.netRick Korinko Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 Rick.korinko@nicholsonconstruction.comAlexander Kormanos Virginia Tech 12000 Cardinal Ct Apt A Blacksburg Virginia 24060 United States 603-490-0281 ahk0108@vt.edu

Allan Korte Hammer & Steel, Inc. 4469 County Road, 209 SouthGreen Cove Springs Florida 32043 United States 904-284-6800 akorte@hammersteel.com

Clint Koshnick Kingwood Pipe Inc. 3 North Main Kingwood Texas 77339 United States 281 359-7473 clint@kingwoodpipe.comMike Kostelac Infinite Ingenuity, LLC 12670 N Overbrook Dr. Platte City Missouri 64079 United States 816-841-4910 mpk@i2llc.netRobert (Bob) Kountz Atlas Copco 511 Hodges Lane Severna Park Maryland 21146 United States 4436953944 rkountz@qc-properties.comGary Kowalczyk BP / Northern Tier 3902 Turnagain Blvd. #2 Anchorage Alaska 99517 United States 907-229-8662 akgkowalczyk@aol.comChristopher Krage UC Davis 2114 Del Rey Court Davis California 95616 United States 9162055333 cpkrage@ucdavis.eduRick Kramer Champion Equipment Sales, LLC. 701 Green Valley Pkwy. Suite 200 Henderson Nevada 89074 United States 8773745574 rkramer@championsales.netTony Kraut Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 tony.kraut@watsonusa.comRebecca Krawiec SOILMEC Emeryville California r.krawiec@conveyinc.com

Johann Kraxenberger BAUER Maschinen GmbH BAUER-Straße 1 Schrobenhausen 86529 Germany+49 8252 97-1634 Johann.Kraxenberger@bauer.de

George Kreis J.Fletcher Creamer and Son 101 East Broadway Hackinsack New Jersey 07601 United States 239-449-9322 gkreis@jfcson.comGregor Kreutzkam Bauer 100 N FM 3083 E Conroe Texas 77303 United States 936-539-5030 gerald.huber@bauer.deSandra Kriesten DYWIDAG Systems International 320 Marmon Drive Bolingbrook Illinois 60440 United States 6303011314 anna.dexter-thornton@dsiamerica.comRay Krizek Northwestern University 2145 Sheridan Road Evanston Illinois 60208 United States 847-491-4040 rjkrizek@northwestern.eduLeon Krous Leon Krous Drilling 13753 Gladstone Ave. Sylmar California 91342 United States 818-833-4654 leon@lkdrill.com

MATT KRUEGER Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 MKRUEGER@JEFFREYMACHINE.COM

Jeff Krusinga, PE, GE SME 3301 Tech Cirlce Drive Kalamazoo Michigan 49008 United States 269-323-3555 green@sme-usa.comChris Kubic Trine University One University Avenue Angola Indiana 46703 United States 3048204740 cmkubic11@my.trine.eduMark Kuenning Global Drilling Suppliers Inc. 12101 Centron Place Cincinnati Ohio 45246 United States 5136718700 mark.kuenning@globaldrilsup.comDOUG KUEPFER Stronghold Construction 35 Grace Drive Powell Ohio 43065 United States 6147610550 doug@strongholdc.comMike Kuharik Great Bend Industries 8701 6th St Great Bend Kansas 67530 United States 620-617-0330 mkuharik@greatbendindustries.comJeffery A, Kuhn TRE/Envioronmental, Inc. 9063 Bee Caves Rd. Austim Texas 78733 512-263-2101 jkuhn@tri-env.comTanya Kunberger Florida Gulf Coast University 10501 FGCU Boulevard South Fort Myers Florida 33965 United States 2395907644 tkunberg@fgcu.eduNEAL KUSZEWSKI NUMA 646 THOMPSON RD THOMPSON Connecticut 06277 United States 860-923-9551 neal.kuszewski@numahammers.comPaul Kuzik APE/J&M 7032 South 196th St. Sayreville New Jersey 08872 United States 732) 432-6604 paulk@apevibro.comMichael Kuzmenko Kemaico 300 Knightsbridge Pwy Lincolnshire Illinois 60069 United States 847-913-6878 michaelk@kemaico.us

Kiseok KwakKorea Institute of Civil Engineering and Building Technology

(Daehwa-Dong) 283, Goyangdae-Ro, Ilsanseo-Gu, Goyang-Si,

Gyeonggi-Do, South Korea 411-712 South Korea 82-31-910-0735 kskwak@kict.re.kr

Wing Shun Kwan The University of Texas at Austin 2501 Lake Austin Blvd Apt G108 Austin Texas 78703 United States 5127044405 welsonkwan@gmail.comTom Kyle Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 tom.kyle@nicholsonconstruction.comTony La Barck Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 r.robertson@casagrandegroup.comKathy Labarck Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 k.labarck@casagrandegroup.comRJ Labrador 3M 6801 Riverplace Blvd 1474N Austin Texas 78726 United States 512-984-3525 rmlabrador@mmm.comGerald Lacelle Copp's 225 BurntRidge Rd Red Deer County Canada glacelle@coppsinc.ca

Ian Lacoursiere Fraser River Pile & Dredge (GP) Inc. 1830 River Drive New WestminsterBritish Columbia V3M 2A8 Canada (604) 522-7971 msemeniuk@frpd.com

Ed Laczynski G.A. & F.C. Wagman, Inc. 3290 N. Susquehanna Trail York Pennsylvania 17406 United States 717-764-8521 erlaczynski@wagman.comYing Lai The University of Texas at Austin 2501 Lake Austin Blvd Apt A105 Austin Texas 78703 United States 5155096046 yinglai@utexas.eduArun Lakshmanan Bauer-Pileco Inc. 100 N. FM 3083 East Conroe Texas 77303 United States 713-699-7652 richard.dombeck@bauer-conroe.comEric Lallier LES FORAGES L.B.M., INC. vICTORIA QC G6P7W7 eric.lallier@lesforageslbm.comTommy Lambert OilField Equipment Sales Gainsville Texas oilfieldequipmentsales2@gmail.comDon Lambert Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 312-677-2263 don.lambert@nicholsonconstruction.com

Arnoud Lamboo Dieseko Group (PVE Equipment USA) Vernon road Jacksonville Florida FL 32209 Netherlands +31184410333 a.lamboo@pve-equipment.comEugene Lamont West Coast Drilling 1350 Willow Ave Hercules California 94547 United States 510-245-0556 wlamont@wcdrilling.comLori Lamont Hillside Drilling Inc. P.O. Box 516 Bella Vista California 96008 United States 530-276-9826 jnjlamont@aol.comBill Lamont West Coast Drilling 1350 Willow Ave Hercules California 94547 United States 510-245-0556 wlamont@wcdrilling.comLori Lamont Hillside Drilling Inc. P.O. Box 516 Bella Vista California 96008 United States 530-276-9826 Lori@hsdrilling.comJulia Lancaster San Diego State University 6612 Reservoir Lane San Diego California 92115 United States 530-635-2811 julia.lancaster@gmail.comBrian Land LB Foster 130 Satellite Blvd, NE Suite A Suwanee Georgia 30024 United States 678-822-6853 bland@lbfoster.comLORENZO LANDI TRACMEC SP 610 SELICE 10/C MORDANO BO 40027 Italy 0039054258911 lorenzo.landi@tracmec.comJim Landin Concept Torque #540 7700-76th St. Close Red Deer Alberta T4P 4G5 Canada 403-340-3466 jim@concepttorque.comJosh Lane CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 josh@cjdrilling.comDaniel Lane Longfellow Foundations, Inc. 909 Corey Rd Hutchinson Kansas 67501 United States 620-662-1228 lfi@longfellowfoundations.comBruce Langan Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 blangan@ecanet.comRachel Langenfeld Cal State University of Fullerton 6750 vinalhaven ct. cypress California 90630 United States 7149267091 rachelannelangenfeld@gmail.comDave Langenheim Scherzinger Drilling 9629 State Route 128 Harrison Ohio 45030 United States 5137382000 Dave@scherzingerdrilling.comRyan Langlois Vertek 250 Beanville Road Randolph Vermont 05060 United States 8027284588 rlanglois@ara.comSteven Lantz Kennametal, Inc. 1600 Technology Way Latrobe Pennsylvania 15650 United States (304) 472-8630 steve.lantz@kennametal.comSteven Lapsley Malcolm Drilling Co., Inc. 4926 N. Azusa Canyon Road Irwindale California 91706 United States 626-338-0035 slapsley@malcolmdrilling.comDean Laramore National Driller PO Box 6167 Marianna Florida 32447 United States 850-482-6310 laramored@bnpmedia.comDan Lardi "D" Construction, Inc. 1488 So. Broadway Coal City Illinois 60416 United States 8156342555 j.gillan@dconstruction.comMary Ellen Large DFI 326 Lafayette Avenue Hawthrone New Jersey 07506 United States 973-423-4030 mebruce@dfi.orgMichel Lariau Jean Lutz North America LLC 4370 Boardman-Canfield Road Canfield Ohio 44406 United States 330-702-1476 michel@jeanlutzna.comDane Larsen Hennessy International, Inc. PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.com

Torbjorn Larsson Federal Highway Administration 1200 New Jersey Avenue SE HIBS-20 WashingtonDistrict of Columbia 20590 United States 202-366-1554 Silas.Nichols@dot.gov

Lisa Laurance DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.comScott Laurance DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 slaurance@drilltoolsinc.comNick Laurence Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 nlaurence@hammersteel.comRobert Laurence Hammer & Steel, Inc. 11916 Missouri Bottom road Hazelwood Missouri 63042 United States 314-895-4600 rlaurence@hammersteel.com

Brent Lawler ATS Drilling 6559 Midway Road Haltom City Texas 76117 United States 8174980040119 blawler@atsdrilling.comJim Lawrence Superior Truck Equipment 7920 - 56th Street SE Calgary AB T2C 4S9 Canada (403) 818-7663 jl@superiortruck.ca

William Lawson Texas Tech UniversityDepartment of Civil, Environmental & Construction Engineering Box 41023 Lubbock Texas 79409 United States 8067423521 william.d.lawson@ttu.edu

Minh Le Terracon Consultants. 8901 Carpenter Freeway, Suite 100 Dallas Texas 75247 United States 6824724722 guimanus2010@gmail.comMichael Leary AM Squared Construction 906 80th Ave SE Norman Oklahoma 73026 United States 405-990-6746 am2construction@yahoo.comDarrell Ledbetter CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 darrell.ledbetter@czm-us.comBill Lederer Case Foundation 1325 W. Lake Street Roselle Illinois 60172 United States 630-529-2911 wllederer@casefoundation.comJay Lee Scott Powerline 318-388-9207 KSnell@scottpowerline.comTerence Lee Skyline Steel 16335 S. Harlem Avenue, Suite 150 Tinley Park Illinois 60477 United States 708-444-0999 terence.lee@skylinesteel.comNatasha Lee Galveston Piling 1910 Ave L Santa Fe Texas 77510 United States 903-269-5915 cody@galvestonpiling.comJimmy Lee CIA Machinery Dallas Texas jimmyl@ciamachinery.comCody Lee Galveston Piling 1910 Ave L Santa Fe Texas 77510 United States 903-269-5915 cody@galvestionpililng.com

Bob Lee Lee Composites, Inc. P.O. Box 11286 Spring Texas77391-1286 boblee@leecomposites.com

Seung Jae Lee Florida International University 13650 NW 4TH ST APT 203 Pembroke Pines Florida 33028 United States 7732341223 sjlee@fiu.edu

Juhyung LeeKorea Institute of Civil Engineering and Building Technology

(Daehwa-Dong) 283, Goyangdae-Ro, Ilsanseo-Gu, Goyang-Si,

Gyeonggi-Do, Republic of Korea 411-712 South Korea 82-31-910-0563 leejh73@kict.re.kr

Michael Leffer Hans Leffer GmbH & Co. Pfahler Strasse 1 Saarbrucken Saarland D-66125 Germany +496897 793362 Michael.Leffer@leffer.deSteve Lehn Veit 14000 Veit Place Rogers Minnesota 55374 United States 763-428-2242 slehn@veitusa.comChristian Lemieux Petrifond Foundation company limited 8320 St-Laurent Blvd Montreal Quebec H2P 2M3 Canada 514-387-2838 clemieux@petrifond.comAnne Lemnitzer University of CA, Irvine 4149 Engineering Gateway Irvine California 92697 United States 9498248133 alemnitz@uci.eduBlaine Leonard Utah DOT 772 W Southampton Court Farmington Utah 84025 United States 8015475937 bleonard@utah.govFILIPPO LEONI TREVIICOS 38 THIRD AVENUE CHARLESTOWN Massachusetts 02129 United States 6172414800 fleoni@treviicos.comMichael Leonor JD Fields Construction Products 7843 Canyon Lake Cir Orlando Florida 32835 United States 2129209000 michaelleonor@jdfields.com

Stephane Lessard M.S.E. Group Inc 62, Rang Touchette Ste-Martine Quebec J0S1VO Canada +1 450 427 3650 stephanelessard@mse.ca

Eric Lessard M.S.E. Group Inc 62, Rang Touchette Ste-Martine Quebec J0S1VO Canada +1 450 427 3650 ericlessard@mse.ca

Marco Lessard M.S.E. Group Inc 62, Rang Touchette Ste-Martine Quebec J0S1VO Canada +1 450 427 3650 marcolessard@mse.caDan Lessy Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comSteve Lester QMF Steel 386 IH 30 Cambell Texas 75442 United States 800-881-071 steve@qmfsteel.com

Christiane Levesque Measurand Inc. 12 Wentworth Ct Nasonworth

New Brunswick E3C 0J3 Canada 5064629119 christiane@measurand.com

Keiko Lewis UNIVERSITY OF THE PACIFIC 3601 Pacific Avenue Stockton California 95211 United States 9164254821 k_lewis5@u.pacific.eduMike Lewis Bechtel 4469 Dogwood Way Evans Georgia 30809 United States 8032921957 mlewis@bechtel.comPaul Lewis Gannett Fleming, Inc. 207 Senate Ave Camp Hill Pennsylvania 17011 United States 717-763-7211 plewis@gfnet.comGregory Lewis Moretrench 51 Smart Avenue Yonkers New York 10704 United States 914-423-1331 glewis@mtac.comJustin Lewis Hayward Baker Inc. 1350 West Lake Street Roselle Illinois 60172 United States (630) 339-4321 jrlewis@haywardbaker.comXiaorong Li University of Texas at Austin Austin Texas xiaorongli@utexas.eduBill (Shuihan) Li Mayland Metallic Materials Ltd. 174 Bantry Avenue Richmond Hill Ontario L4B 4T6 Canada 6473090122 bill.li@maylandmetallics.caMarina Li Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 marina@isherwood.toFulin Li University of Kansas 328 Town Engineering Building Ames Iowa 50011 United States 5152943157 jchu@iastate.eduSean (Xiaofeng) Li Mayland Metallic Materials Ltd. 174 Bantry Avenue Richmond Hill Ontario L4B 4T6 Canada 6473090122 bill.li@maylandmetallics.caRichard Li HONG XIANG TECHNOLOGIES RM1002, Building 16, AnHuiDongLi ChaoYang District Beijing Beijing 100101 China 8610 64812760 ryongli@vip.sina.comLin Li Jackson State University 1400 J.R. Lynch Street Jackson Mississippi 39232 United States 6019791092 lin.li@jsums.edu

Ma Liang FES (China) Limited 1-403, No.71 Wenzhou Rd HangzhouZhejiang Prov 310015 China 86-571-28027060 fes@fes-cn.com

Dario Libano Brasfond Rua Olimpiadas, 194- 9th Floor Vila Olimpia Sao Paolo SP, Brazil04551-000 Brazil 55 11 3028-9800 dario@brasfond.com.br

Bon Lien AMEC Foster Wheeler 2801 Yorkmont Road, Suite 100 Charlotte North Carolina 28208 United States (704) 357-5613 bon.lien@amecfw.comGarland Likins Pile Dynamics, Inc. 30725 Aurora Road Cleveland Ohio 44139 United States 216-831-6131 nicole@pile.comCindy Liles DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 cliles@drilltoolsinc.comLacy Liles DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 cliles@drilltoolsinc.com

Ji Hoon (Jack) Lim BUMA/ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6126 ashley@rocequipment.comRobin Lim Geolabs, Inc. 2006 Kalihi Street Honolulu Hawaii 96819 United States 8088415064 robin@geolabs.net

Songtao Lin Ninghai Shenhai Rubber and Plastic FactoryNo.1 Youjiacun, Qiaotouhu District, Ninghai County, P. R. China Ninghai 315611 China

+86 134 8878 5591 lst@nhshenhai.com

Thomas Lin Lehigh University 1 W Packer Ave. Bethlehem Pennsylvania 18015 United States 6106742536 hal310@lehigh.eduChad Linamen Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.com

Josh Lindberg Helical Concepts, Inc. PO Box 1238 Wylie Texas75098-1238 United States 972-442-4493 joshlindberg@hotmail.com

Zach Linder Culy Construction & Excavation 610 N. East Winchester Nebraska 47394 shensley@culyconstruction.comNolan Lindner Terex Utilities 500 Oakwood Road Watertown South Dakota 57201 United States 6058824000 nolan.lidner@terex.comBradley Linerode University of Mount Union 1972 Clark Ave Alliance Ohio 44601 United States (330) 575-8131 linerobe@mountunion.eduBrian Lins ELE International, Inc. 5600 Lindbergh Dr. Loveland Colorado 80539 United States 970-622-1170 blins@eleusa.comFabio Liscidini Underpinning & Foundation Skanska 46-36 54th Road Maspeth New York 11378 United States 718-786-6557 fabio.liscidini@skanska.comRenan Listi Sinclair Well Products & Services 10602 Midway Ave Cerritos California 90703 United States 800-782-3222 rlisti@sincairwp.comMatt Listro Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 matt.listro@liebherr.comChristian Littlefield DUROTERRA 7818176053 christian@duroterra.comZhen Liu Michigan Technological University 701 7th Avenue Houghton Michigan 49931 United States 9064871826 zhenl@mtu.eduWilliam Liu Kemaico 300 Knightsbridge Pwy Lincolnshire Illinois 60069 United States 847-913-6878 michaelk@kemaico.us

Jenny LiuCenter for Environmentally Sustainable Transportation in Cold Climates

P.O.Box 755900, University of Alaska Fairbanks Fairbanks Alaska 99775 United States 9074745764 jliu6@alaska.edu

Jenny LiuCenter for Environmentally Sustainable Transportation in Cold Climates

P.O.Box 755900, University of Alaska Fairbanks Fairbanks Alaska 99775 United States 9074745764 jliu6@alaska.edu

Yan Liu University of Mount Union 1972 Clark Ave Alliance Ohio 44601 United States 4055926548 liuyan@mountunion.eduRay Liu AGL Manufacturing Ltd. 8378 Prince Edward St Vancouver Canada V5X 3R9 Canada 804-639-2713 ray@aglmfg.comJoe Lobb Cyntech Helical Piles 235061 Wrangler Link SE Calgary Alberta T1X0K3 Canada 403-228-1767 jlobb@cyntech.comAdam Lobbestael Lawrence Technological University 21000 West Ten Mile Road Southfield Michigan 48075 United States 2482042538 alobbest1@ltu.eduJW Lodge Lodge Lumber 5001 Oates Road Houston Texas 77013 United States 832-264-7008 jw@lodgelumber.comKay Loeffler Stressteel 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 Kay.loeffler@annahuette.com

J. Erik Loehr University of Missouri Civil Engineering E2509 Lafferre Hall Columbia Missouri65211-2200 United States 573-882-6380 eloehr@missouri.edu

Markus Loenner BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7653 mariad@bauerpileco.comGerry Logan PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 515-302-0206 glogan@pengoattachments.comMatt Loghry Blaze Equipment 5500 Mayfax Way Suite 1 Fort Worth Texas 76131 United States 682-300-4600 matt@blazeequip.com

John LommlerAmec Foster Wheeler Environment & Infrastructure 4125 Sotol Drive Las Cruces New Mexico 88011 United States 5058211801 drj.lommler@yahoo.com

JUAN ESTEBAN LONDOÑO CONSTRUCTORA PRECOMPRIMIDOS S.A. CRA 42 N° 27 - 150 (AUTOPISTA SUR) MEDELLÍN

ANTIOQUIA 055413 Colombia 574 3703350 ingenieria@precomprimidos.com.co

Ira Long Anderson Drilling 3600 east 46th Ave Denver Colorado 80216 United States 3033216680 ilong@andersondrilling.comJill Long Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 blong@lfdc.comBruce Long Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 bruce@lfdc.comBrian Long Long's Drilling Service Inc 10554 Hwy 392 W Harrison Arkansas 72601 United States 8704372200 brian@longsdrillingservice.com

Giovanni Lopez Kelly Tractor CoFinal Av. Guarico, Qta. Adria (# 1-04 32-29), P.A.

Colinas de Bello Monte, Caracas Florida 33417 Venezuela

(58-212) 753.1912 ofige-ca@cantv.net

Roberto Lopez Malcolm Drilling 3564 Investment Boulevard Hayward California 94545 United States 510-780-1167 rlopez@malcolmdrilling.comGregg Lopez Texas Shafts, Inc. PO Box 79218 Fort Worth 76179 United States 817-439-2000 glopez@texashafts.comCheryl Lopez Texas Shafts Ft. Worth Texas calbis@texashafts.comRicardo Lopez WORD International, Inc. 4565 Reid Rd Elon North Carolina 27244 United States 3365846700 rlrlopez90@gmail.comBonnie Love WorldWide Drilling Resource, Inc. PO Box 660 Bonifay Florida 32425 United States 850-547-0102 bonnie@worldwidedrillingresource.comWilliam Lovell Lovell Marine Construction 3601 NW 10th Avenue Oakland Park Florida 33309 United States 9544675055 lovellmarine@lovellinc.comChris Lowe BAUER-Pileco Inc. Chesapeake Virginia United States dsweetin@bauerpileco.comYUTONG LU Arizona State University 1231 S Dorsey Lane TEMPE Arizona 85281 United States 4803347748 yutongl1@asu.eduAugusto Lucarelli Itasca 111 3rd Ave South Suite 450 Minneapolis Minnesota 55401 United States 612-677-2417 dwatkins@itascacg.comLiz Lucido ROC Equipment 2345 Parkway Blvd Salt Lake City Utah 84108 United States 801-201-7706 liz@rocequipment.com

Anthony Lucido Shimmick Construction Company Inc. 21032 Poolside Lane Huntington Beach California 92648 United States 801-706-6692 azagorski@shimmick.comVanessa Lucido ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6126 vanessa@rocequipment.com

Rusty Lucido Shimmick Construction Company Inc. 21032 Poolside Lane Huntington Beach California 92648 United States 801-706-6692 rlucido@shimmick.comLiz Lucido ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6126 ashley@rocequipment.comGregory Lucking Virginia Tech 703 Burruss Dr Blacksburg Virginia 24060 United States 732-939-2932 gluck13@vt.eduKim Ludwig Standard Hardware 1500 Royal Parkway Euless Texas 76040 United States 817--354-1111 kludwig@standaredhardware.comHolly Luehring Michels Corporation PO Box 128 Brownsville Wisconsin 53006 United States 920-583-1441 hluehring@michels.usGiulia Lugli Maccaferri Inc 10303 Governor Ln Blvd Williamsport Maryland 21795 United States 240-625-5674 glugli@maccaferri-usa.com

Barbara Luke University of Nevada Las Vegas Civil EngineeringUniversity of Nevada Las Vegas Las Vegas Nevada

89154-4015 United States 7028951568 barbara.luke@unlv.edu

Pam Luke Watson Drill Rigs 4015 South Freeway Fort Worth Texas 76110 United States 817-927-8486 pam.luke@watsonusa.comJustin Lukens Case Foundation Company 850 Cassatt Road Ste 370 Berwyn Pennsylvania 19312 United States 6107635825 jjlukens@casefoundation.comBill Lukens Baylor University Waco Texas bill_lukens@baylor.eduRonaldo Luna Saint Louis University 3450 Lindell Boulevard Rm. 1033A St. Louis Missouri 63103 United States 3149778372 rluna@slu.eduGalya Luna Saint Louis University 3450 Lindell Boulevard Rm. 1033A St. Louis Missouri 63103 United States 3149778372 rluna@slu.edu

Jerry Luo University of Akron 244 Sumner St Akron Ohio44325-3905 United States 3309727292 jerry8256@gmail.com

Nathaniel Lussier Nicholson Construction 4124 Douglas Ave Kalamazoo Michigan 49004 United States 269-353-8421 nathaniel.lussier@nicholsonconstruction.comKathy Lust Corps of Engineers 3420 Pin Oak Dr. St. George Kansas 66535 United States 785-844-2987 kathy.lust@gmail.comAlan Lutenegger University of Massachusetts 27 Marston Hall Amherst Massachusetts 01375 United States 413-545-2872 lutenegg@ecs.umass.edu

Anne Lutz - Gobetti JEAN LUTZ SA 2 rue du Forbeth Jurançon 64110 France+ 33 5 59 06 34 22 alutz@jeanlutzsa.com

Patrick Lydon Michels Corporation PO Box 128 Brownsville Wisconsin 53006 United States 920-583-1441 plydon@michels.usWilliam (Bill) Lyle Massman Construction 8901 State Line Road Suite 240 Kansas City Missouri 64114 United States 8165231000 blyle@massman.netStuart Lyle MARL Technologies 2 West Dry Creek Circle Suite 100 Littleton Colorado 80120 United States 720-822-2293 slyle@marltechnologies.comRudy Lyon Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 rlyon@centerrock.comHannah Lyon WORD International, Inc. 4565 Reid Rd Elon North Carolina 27244 United States 336-584-6700 paige@wordrockdrills.comEthan Lyons Trenchless Utility 2070 Queensway Drive Burlington Ontario L7R 4L9 Canada 905-634-0669 ethanl@trenchlessutility.comJeff Lyons Trenchless Utility 2070 Queensway Drive Burlington Ontario L7R 4L9 Canada 905-634-0669 jeffl@trenchlessutility.comDuane Lyons INTERMOUNTAIN DRILLING SUPPLY Houston Texas duane@intermountaindrillingsupply.com

Gizem M. Bozkurt University of Wisconsin Madison1415 Engineering Drive 2243 Engineering Hall Madison Wisconsin 53706 United States 608-628-5399 bozkurt@wisc.edu

Steven M. Hain Steven M. Hain Co. 713 East Walnut Garland Texas 75040 United States 9722726461 smhain@smhainco.comKen Maben Virginia Tech 1701 Autumn Splendor Way Blacksburg Virginia 24060 United States 540-514-1553 maben4@vt.eduChris Mabie J. FLETCHER CREAMER & SON, INC. 101 East Broadway Hackensack New Jersey 07601 United States 2015222538 cmabie@jfcson.comAL MACDONALD TEAM ELMERS 3600 RENNIE SCHOOL ROAD TRAVERSE CITY Michigan 49685 United States 2319433443 toni@teamelmers.comDaniel Macias cal state fullerton 8000 Vandewater St Corona California 92880 United States 9518708110 dmacias1@csu.fullerton.eduKeith Maciejewski Veit 14000 Veit Place Rogers Minnesota 55374 United States 763-428-2242 KMaciejewski@VeitUSA.comScott Mackiewicz Braun Intertec 11001 Hampshire Avenue S Minneapolis Minnesota 55438 United States 8162741499 smackiewicz@braunintertec.comDan MacLean Con-Tech Systems 1832 University Commercial Place Charlotte South Carolina 28213 United States 704-494-3989 dan@contechsystems.comJohn MacLean Arlington Texas tony@watsonusa.com

Alan Macnab Macnab Consultants 770 Cordova Bay Road VictoriaBritish Columbia V8Y1R1 Canada 778-430-1257 macnab@mail.com

Jim MacPhail Pinnacle Drilling Products LP 7560 - 48th St SE Calgary AB T2C 4J6 Canada (403)236-3393 jim@pinnacledrilling.caJohn MacPhail Control Chemical/Matex Products 7016 30th Street SE Calgary Alberta T2C1N9 Canada 403-720-7044 ryan@controlchemical.comMary Madden Lafayette College 15335 Valencia Street Silver Spring Maryland 20905 United States 301-741-8608 maddenm@lafayette.eduNathan Maddocks Foundationdrilling.com PO Box 2010 Canyon Lake Texas 78133 United States 859-230-3090 nathan@foundationdrilling.comMark Madgett Seaboard Foundations 2157 Highway 75 Blountville Tennessee 37617 United States 423-323-2100 mrmadgett@seaboardfoundations.comHenry Madrid Southwest Concrete Construction, Inc. 2408 N. Parkland Ave Artesia New Mexico 88210 United States 5757469074 henrym@swcci.comMatt Madsen Jones Drilling & Shoring 5633 W Axel Park Rd West Jordan Utah 84081 United States 801-280-2908 chrisj@jonesexcavating.comMatt Madsen Jones Drilling PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comDavid Maedgen Gerdau 300 Ward Road Midlothian Texas 76065 United States 9727791078 david.maedgen@gerdau.comJeffrey Magalong Trinity Geotechnical Engineering, Inc. 13230 Evening Creek Dr. Ste 206 San Diego California 92128 United States 9513034990 jeffrey.magalong@trinityge.comMyagmarjav Magsar EngiGeotech Ltd., 2406 Main St Apt 32 Lubbock Texas 79401 United States 8064459348 storage.batbold@gmail.com

NarimanMahabadi Mahabad Arizona State University 1717 S Dorsey Ln Apt 1006 Tempe Arizona 85281 United States 3132411344 nmahabad@asu.edu

MohsenMahdavi Kharanaghi Texas A&M University 401 southwest parkway, apt#405 college station Texas 77840 United States 9792290666 MMAHDAVI@TAMU.EDU

Masrur Mahedi University of Texas at Arlington Arlington Texas masrur.mahedi@gmail.comDenise Maher McKinney Drilling Company 2131 N. Broad Street Suite 102 Lansdale Pennsylvania 19446 United States 215-393-6700 denisemaher2002@yahoo.comWilliam Maher McKinney Drilling Company 2131 N. Broad Street Suite 102 Lansdale Pennsylvania 19446 United States 215-393-6700 denisemaher2002@yahoo.comDaniel Mahrt Braun Intertec Corporation 1826 Buerkle Road St. Paul Minnesota 55110 United States 6514877031 dmahrt@braunintertec.comRick Maidment Double Star Drilling 312 Hayes Crescent Acheson T7X 5A4 Canada 7802923948 rick@doublestardrilling.caJames Malak Oweis Engineering Inc. 100 E. Hanover Ave. Suite 101 Cedar Knolls New Jersey 07927 United States 973-539-4400 jmalak@oweisengineering.comJOHN MALCOLM MALCOLM DRILLING CO., INC. 92 NATOMA ST. #400 SAN FRANCISCO California 94105 United States 415-901-4400 MALARCON@MALCOLMDRILLING.COMANNIE MALCOLM MALCOLM DRILLING CO., INC. 92 NATOMA ST. #400 SAN FRANCISCO California 94105 United States 415-901-4400 MALARCON@MALCOLMDRILLING.COMSanjeev Malhotra ARUP 77 Water Street New York New York 10005 United States sanjeev.malhotra@arup.com

Bruno Mallen Montabert 203 route de Grenoble Saint-Priest Cedex France+33 (0)472229644 bruno.mallen@montabert.com

Steve Mallinson Agra Foundations 7708 Wagner Road NW Edmonton Alberta T6E 5B2 Canada 780-468-3392 steve.mallinson@agra.comEvan Maltz Champion Equipment Co. 8140 E. Rosecrans Ave. Paramount California 90723 United States 5626348180 emaltz@champion-equipment.comDimitrios Mamoglou Deep Excavation 30-62 Steinway Str #188 Astoria New York 11103 United States 206-279-3300 mamoglou@deepexcavation.comKaleh Manahiloh University of Delaware 301 Dupont Hall Newark Delaware 19711 United States 3028312485 knega@udel.edu

Cesare Mandelli Beretta Alfredo Srl Via Vignareto 10BESANA IN BRIANZA North Carolina MB 20842 Italy

39-0-362-99-53-80 paige@wordrockdrills.com

Jared Mangino Case Foundation Company 1525 West Township Line Rd Blue Bell Pennsylvania 19422 United States 6305127728 jmangino@casefoundation.comJames Maniscalco Underpinning & Foundation Skanska 46-36 54th Road Maspeth New York 11378 United States 7183401041 jmaniscalco.student@manhattan.eduRaymond Mankbadi Hardesty & Hanover, LLC 850 Bear Tavern Road suite 206 West Trenton New Jersey 08628 United States 609-538-8233 rmankbadi@hardesty-hanover.comMike Mannen North Houston Machine PO Box 1647 Tomball Texas 77377 United States 281-351-8108 mike.mannen@northhoustonmachine.comJeffery Mannor Lawrence Tech University 21000 West Ten Mile Rd Southfield Michigan Michigan 48075 United States 248-204-2545 jmannor@ltu.eduBaca Mantalvo Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.com

Robin Mao FES (China) Limited 1-403, No.71 Wenzhou Rd HangzhouZhejiang Prov 310015 China 86-571-28027060 fes@fes-cn.com

Steve Maranowski spartan specialties ltd 6250 Sims sterling hieghts Michigan 48313 United States 586-826-8811 steve@spartanspecialties.comJoshua Marcus Atlas Copco LLC 7500 Shadwell Dr Roanoke Virginia 24019 United States 540-362-3321 joshua.marcus@us.atlascopco.comBill Marczewski BSM Engineering Inc PO Box 502 Astoria Oregon 97103 United States 5037915070 bill@bsmengineering.com

Tony Marinucci American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-338-5533 t.marinucci@american-equipment.comDion Markettos Anchor Shoring 3445 Kennedy Road Toronto Ontario M1V4Y3 Canada 416-292-1401 dmarkettos@anchorshoring.comDragoje Markovic Zublin Corp. 1170 Howell Mill Rd. Suite 300 Atlanta Georgia 30318 United States 2893889845 Dragoje.Markovic@zueblin.deGordana Marquez Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 gordana.marquez@liebherr.comW. Allen Marr Geocomp Corporation 125 Nagog Park Acton Massachusetts 01720 United States (978) 893-1225 wam@geocomp.comLinda Marshall Health With Heart Consulting 3363 WOODLAKE CT Loveland Ohio 45140 United States 5132352048 rmarshall@goettle.comRichard Marshall Richard Goettle, Inc. 12071 Hamilton Ave. Cincinnati Ohio 45231 United States 5138258100 rmarshall@goettle.comTom Marshall Stucchi USA 1107 Windham Parkway Romeoville Illinois 60446 United States 847-956-9720 rmorales@stucchiusa.comTodd Martens Highway Manufacturing 333 2nd Street NE Hopkins Minnesota 55343 United States 9529385451 Toddm@abmequip.comScott Martin Anora Foundations Pty Ltd PO Box 3282 Darra Brisbane 4076 Australia 0407307846 todd.scudamore@anora.com.auColin Martin RENSSELAER POLYTECHNIC INSTITUTE 100 8th Street Troy New York 12180 United States 518-276-6941 martic8@rpi.eduChris Martin Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comPaul Martin McCrossin 2607 Nicholson Rd Sewickley Pennsylvania 15143 United States 412-518-1669 pmartin@mccrossin.comDave Martin Southwest Contracting Ltd. 9426 - 192nd Street Surrey B.C. V4N 3R9 Canada 604-250-6486 dave@southwestcontracting.caPablo Martinez CZM Foundation Equipment 145 E. Industrial Blvd. Pembroke Georgia 31321 United States 912-320-2699 pablo.martinez@xcmg.com.niMaximo Martinez 20/20 Exhibits 8902 Bateman Blvd Rosharon Texas 77583 United States 281-905-2803 joseb12336@gmail.com

Alejandro Martinez Georgia Institute of Technology 790 Atlantic Dr. Atlanta Georgia30332-0355 United States 5125046126 amartinez32@gatech.edu

Jose Martinez HJ Foundation 8275 NW 80th Street Miami Florida 33166 United States 7862298734 jam@hjfoundation.comCamilo Marulanda INGETEC Cra 6#30a-30 Bogogota 1 Colombia 5712456486 marulanda@ingetec.com.coEnzo Masciandaro McDrill Technologies PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comJames Mason 625 Oakhurst Drive Knoxville Tennessee 37919 United States 865-951-1101 jmason27@utk.eduDale Mason Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymachine.comKeith Mason McKinney Drilling Company 1265 Blairs Bridge Road Lithia Springs Georgia 30122 United States 404-379-9536 kmason@mckinneydrilling.comFrederic Masse Menard USA Upper St. Clair Pennsylvania United States fmasse@menardusa.comJames Massey Sun Piledriving Equipment 35322 Bayard Road Frankford Delaware 19945 United States 302-539-6756 james@spe-usa.netShawn Mathers MATHERS ENVIRONMENTAL DRILLING 12243 B FM 529 Houston Texas 77041 United States 7138966228 shawnmathers@gmail.com

Tom Mathers MATHERS ENVIRONMENTAL DRILLING 12243 B FM 529 Houston Texas 77041 United States 7138966228 medi@mathersdrilling.comSteven Mathers Interpipe Inc. 3320 Miles Road Mount Hope Ontario L0R1W0 Canada 905-679-6999 steven@interpipe.comChad Matt Matcon Canada 2208 Hartley Avenue Coquitlam BC V3K 6X3 Canada 604-520-5909 chadm@matconcanada.comJohn Matthews Desoto Treated Materials 941 South Magnolia Drive Wiggins Mississippi 39577 United States 601-528-2209 matthews.john79@gmail.comGene Mattila Atlas Copco 3700 E 68th Ave Commercec City Colorado 80022 United States 303-717-27-31 eugene.mattila@us.atlascopco.comJOHN MATULIA INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 JOHNM@IDEDRILLS.COMRobert Mawe Matcon Canada 2208 Hartley Avenue Coquitlam BC V3K 6X3 Canada 604-520-2955 robertm@matconcanada.comTodd Maxa Hammer & Steel, Inc. 21778 Highview Avenue Lakeville Minnesota 55044 United States 952-469-6060 tmaxa@hammersteel.comGreg Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 greg.maxwell@hubfoundation.comJeff Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 jeff.maxwell@hubfoundation.comMaya Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 greg.maxwell@hubfoundation.comEtta Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 greg.maxwell@hubfoundation.comBeatrice Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 greg.maxwell@hubfoundation.comCharlie Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 jeff.maxwell@hubfoundation.comNosara Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 greg.maxwell@hubfoundation.comOscar Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 jeff.maxwell@hubfoundation.comSummer Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 jeff.maxwell@hubfoundation.comJim Maxwell Hub Foundation Co., Inc. 139 Billerica Road Chelmsford Massachusetts 01720 United States 978-456-2387 jim.maxwell@hubfoundation.com

Paul Mayne Georgia Institute of Technology Civil & Environmental Engineering790 Atlantic Drive, Mason Building Atlanta Georgia

30332-0355 United States 404-894-6226 paul.mayne@ce.gatech.edu

A.W. McAfee Bechtel Oil, Gas and Chemicals, Inc. 3000 Post Oak Boulevard Houston Texas77056-6503 United States 713-235-5002 amcafee@bechtel.com

Cal McAree Hammer & Steel, Inc. 482 Houses Corner Road Suite #3 Sparta New Jersey 07871 United States 973-512-2940 jnewbold@hammersteel.comTodd McBride Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas 78701 United States (512) 416-2183 todd.mcbride@txdot.govTravis McCaig Canadian Pile Driving olli.inkinen@junttan.comJustin McCall McKinney Drilling Co. 273 Lakeview Dr Suite 101 Woodstock Virginia 22664 United States 5404599529 jmccall@mckinneydrilling.comChris McCarthy Timco 2 Greentown Rd Buchanan New York 10511 United States 800-792-0030 cmcarthy@timco-eng.comDave McCarthy TWG Jenks Oklahoma dmccarthy@team-twg.com

John McCartney University of California San Diego 9500 Gilman Dr La Jolla California92093-0085 United States 8585349630 mccartney@ucsd.edu

Ken McClanahan Atlas Copco 3610 West Capitol Ave Sacramento California 95691 United States 916-374-8310 ken.mcclanahan@us.atlascopco.comAdrian McClure Curtis Drilling 2625 Santa Fe Ave San Marcos California 92069 United States 760-727-7330 josh@curtisdrilling.comRyan McCollum KS/Bit PO Box483 Benton Illinois 62812 United States 618-9241667 ryan@ksbit.comMichael McCourt World International 888 Isom Rd Suite 200 San Antonio Texas 78216 United States 210-341-6333 michael.mccourt@boschrex.comCraig McDairmid Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.comJohn McDaniel NPPI 1251 100th St SW Suite C Byron Center Michigan 49315 United States 616-318-2980 john@nppius.comQuint McDermand Ramsey Excavating Co. 4060 Washington Ave N Minneapolis Minnesota 55412 United States 612-529-077 quintm@ramseyexcavating.comKyle McDermand University of Minnesota 9735 West 273 Street Belle Plaine Minnesota 56011 United States 9526888389 mcde0101@umn.eduQuint McDermand Ramsey Excavating Co. 4060 Washington Ave N Minneapolis Minnesota 55412 United States 612-529-077 quintm@ramseyexcavating.comKyle McDermand University of Minnesota 9735 West 273 Street Belle Plaine Minnesota 56011 United States 9526888389 mcde0101@umn.eduNancy McDermott 1814 Apple Tree Lane East Bethlehem Pennsylvania 18015 United States 6107048334 nancymcdermott7@yahoo.comMartin McDermott 1814 Apple Tree Lane East Bethlehem Pennsylvania 18015 United States 6107048334 nancymcdermott7@yahoo.comJoseph McDermott Joe McDermott 3400 Prusshill Rd Pottstown Pennsylvania 19464 United States 2674245684 joemcdermott99@gmail.comChris McDonald Balfour Beatty 107 Sourthern Blvd, Suite 201 Savannah Georgia 31405 United States 843-321-1731 chmcdonald@bbius.comAlan McDonald Team Elmers 3600 Rennis School Rd Traverse City Michigan 49685 United States 231.943-3443 amcdonald@teamelmers.comBo McFadden GeoEngineers, Inc. 600 Stewart St, Suite 1700 Seattle Washington 98101 United States 206-239-3228 bmcfadden@geoengineers.comTerry McGee BASF 1703 Cross Point Ave Houston Texas 77054 United States 713-429-4401 terry.mcgee@basf.comMichael McGinn Edgen Murray 161 Washington Street Suite 1110 Conshohocken Pennsylvania 19428 United States 610-291-7499 michael.mcginn@edgenmurray.comTim McGinnis DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 tmcginnis@drilltoolsinc.comJustin McGlone CMG PO Box 80252 Billings Montana 59108 United States 4066551892 justinm@cmgbillings.comMichael McGuire Lafayette College 740 High Street AEC 321 Easton Pennsylvania 18042 United States 6103305413 michael.p.mcguire@gmail.comBrian McHale J.D. Fields & Co., Inc. 1330 Greengate Drive Suite 120 Covington Louisiana 70433 United States 9852344567 bmchale@jdfields.comBarry McKenna Hammer & Steel, Inc. 482 Houses Corner Road Suite #3 Sparta New Jersey 07871 United States 973-512-2940 jnewbold@hammersteel.comHal McKewen Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 hmckewen@lfdcbham.comBob McKinley Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 bob.mckinley@watsonusa.comJackie McLendon DRILLTOOLS 4001 Enterprise Street Wimberly Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.comKelly McMahon PJ's Rebar Fremont California kmcmahon@pjsrebar.comBrian McMahon Dave McMahon Construction, Inc. 540 N. Spruce Street Escondido California 92025 619-491-9355 brian@shoring-drilling.com

John McMillan University of Texas at Austin Austin Texas mcmillanfifth@gmail.comSydney McNeal Crux Subsurface, Inc. 4308 N Barker RD Spokane Valley Washington 99027 United States 509-8929409 nick@cruxsub.comRegan McNeight Malcolm Drilling Co., Inc. 8701 S. 192nd St. Kent Washington 98031 United States 253-395-3300 tmorris@malcolmdrilling.comScott McNeill Spiradrill 112 FM 153 Smithville Texas 78957 United States 512-237-4140 scott@spiradrill.netSteven McNew Matador Well Services 2511 N CR 1140 Midland Texas 79705 United States 866-620-1403 mcnew@matadorwellservices.comMike McNutt K&D Construction P.O. Box 31 Chelsea Oklahoma 74016 918-760-0542 rmcnutt@kdconst.com

Bob McQuillis Tetra Tech, Inc. 4000 Triangle Lane Suite 160 Export Pennsylvania15632-9306 United States 412.829.3628 Bob.McQuillis@TetraTech.com

Gerry Mcshane Service Steel Warehouse 5 Dogwood Ct Bernardsville New Jersey 07924 United States 7132109323 gmcshane@servicesteel.orgChristine Mebust University of New Orleans 2000 Lakeshore Drive New Orleans Louisiana 70148 United States 6198659725 cmebust@uno.eduCRAIG MECHAM THE MECHAM COMPANY Spokane Valley Washington United States cmecham@mechamcompany.com

Gil Medina VelascoSan Pefro Garza Garcia gil.medina@picimex.com

Christopher Meehan University of Delaware 301 DuPont Hall Newark Delaware 19716 United States 302-831-2442 cmeehan@udel.eduHardik Mehta Geotac Houston Texas United States hardik.mehta@geotac.comRichard Meigs RJR Engineering Springville New York rick@rgrpc.com

Arjan Meijer Hydro-Ram 206 Cummings Road Broussard Louisiana 70518 United States +1 337 837 9224 s.oskam@ihcmerwede.comBertrand Meiss Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 bertrand.meiss@liebherr.comJoseph Mela Atlas Copco 946 Griffin Pond Road So. Abington Pennsylvania 18411 United States 570-587-7040 joe.mela@us.atlascopco.comJames Melcher Tri-State Drilling, Inc. 16940 Olson Memorial Highway Plymouth Minnesota 55446 United States 763-553-1234 jmelcher@tristatedrilling.comCharlie Melcher Tri-State Drilling, Inc. 16940 Highway 55 West Plymouth Minnesota 55446 United States 763-553-1234 cmelcher@tristatedrilling.comCesare Melegari Tecniwell PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.com

Richard Melton BSP Internataional Foundations Ltd. Claydon Business Park Gt Blakenham Ipswich Suffolk IP6 0NL United Kingdom +441473830431 rmelton@bspif.co.ukLarry Mengelkoch CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 lmengelkoch@cjdrilling.comWaco Merchant Amix Systems 33250 Ravine Ave Abbotsford BC V2S 1V6 Canada 778-242-3640 dennis@amixsystems.comChris Merillat Midwest Foundations Co. 1709 Utica Square Suite 212 Tulsa Oklahoma 74114 United States 918-622-1611 cmerillat@midwestfoundations.comGABRIELE MERLI TRACMEC SP 610 SELICE 10C MORDANO BO 40027 Italy +39054258972 gabriele.merli@tracmec.comScott Merry University of the Pacific 3601 Pacific Avenue Stockton California 95211 United States 209-946-2299 smerry@pacific.eduThomas Merz HAMMER & STEEL Hazelwood Missouri tmerz46094@aol.comGholamreza Mesri University of Illinois at Urbana-Champaign 205 N. Matthews Avenue Urbana Illinois 61801 United States 217-333-6934 gmesri@illinois.eduAustin Messerli University of Oklahoma 1809 Saddleback Blvd. Norman Oklahoma 73072 United States (405) 550-0536 austin.messerli-1@ou.eduDwight Metcalf Kiewit 302 S. 36th Suite 400 Omaha Nebraska 68131 United States 402-280-6013 dwight.metcalf@kiewit.comBrian Metcalfe Geopier Foundation Company 130 Harbour Place Drive Suite 280 Davidson North Carolina 28036 United States 704-439-1790 bmetcalfe@geopier.comMatt Methling Curtis Drilling 2625 Santa Fe Ave San Marcos California 92069 United States 760-727-7330 josh@curtisdrilling.comJosh Methling Curtis Drilling 2625 Santa Fe Ave San Marcos California 92069 United States 760-727-7330 josh@curtisdrilling.comTheresa Metz GeoSystems 135 Thompsonville Rd McMarry Pennsylvania 15317 United States 412-956-2758 tametz@geosystemsbruce.comJohn Metz GeoSystems 135 Thompsonville Rd McMarry Pennsylvania 15317 United States 412-956-2758 tametz@geosystemsbruce.comThomas Meyer R W Conklin Steel Supply Post Office Box 42399 Cincinatti Ohio 45242 United States 5137690613 tmeyer@conklinsteel.comDarryl Michalko Pinnacle Drilling Products LP 7560 - 48th St SE Calgary AB T2C 4J6 Canada (403)236-3393 darryl@pinnacledrilling.ca

Radoslaw Michalowski University of Michigan 2364 G.G. Brown Bldg. Ann Arbor Michigan48109-2125 United States 734 763-2146 rlmich@umich.edu

Dale Mickle Allu 700 Huiler St Teterboro New Jersey 07608 United States 8009392558 dalem@allu.netBill Miles J&G Sales, Inc. 11195 Hwy 159E PO Box 547 Bellville Texas 77418 United States 979-865-4300 wmiles@jgsalesinc.comDavin Miller DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 davin.miller@dbmcontractors.comKeith Miller Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 kmiller@lfdc.comJesse Miller LRE Ground Services 1115 S Main St Brooksville Florida 34601 United States 352-279-0289 John.Taylor@lregsi.comDan Miller APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 danm@apevibro.comAndrew Miller Midwest Drilled Foundations 200 S. Prairie Ave. Waukesha Wisconsin 53186 United States (262)-436-0392 amiller@midwestdfe.comLarry Miller JDH Contracting 8109 Network Drive Plainfield Indiana 46168 United States 317-839-0520 lmiller@jdhcontracting.comFran Miller GeoPier 20 Danada Square W Unit 285 Wheaton Illinois 20189 United States 704-439-1790 fmiller@geopier.comTina Miller DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 davin.miller@dbmcontractors.comBruce Miller ConeTec, Inc. 436 commerce lane Unit c West berlin New Jersey 08091 United States 8567678600 bmiller@conetec.comA. David Miller Raito, Inc. 23595 Cabot Blvd Suite 106 Hayward California 94545 United States 510-259-9900 admiller@raitoinc.comJames Millhorn Big Dog Drilling LLC. 1154 Old Millwood Rockwall Texas 75087 United States 972-771-0173 james@bigdogdrilling.netNick Milligan Foundation Technologies Inc PO Box 491718 Lawrenceville Georgia 30049 United States 6784074640 nick@foundationtechnologies.comCurtis Mills Blaze Equipment 5500 Nafex Way Ft Worth Texas 76131 United States 817-832-2845 curtis.mills@4SGE.com

Stephanie Mills Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comEric Mills Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comSpencer Mills Hayward Baker Inc. 11575 Wadsworth Blvd Broomfield 80020 United States 3032633752 sgmills@haywardbaker.comSarah Milstead PileBuck Magazine 4834 Wood Duck Circle Vero Beach Florida 32967 United States 310-291-1248 alex.smoot@gmail.comAdam Minatre Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 adam@bayshoresystems.comMike Minihan BAUER-Pileco Inc. 91 Greenville Road Livermore California 77303 United States 925-401-7093 MMinihan@bauerpileco.comMike Minton HAYWARD BAKER 1350 West Lake Street Roselle Illinois 60172 United States 6303394300 mkminton@haywardbaker.com

Owais Shafi Mir IIT Bombay C-204, Hostel 14 IIT Bombay, Powai MumbaiMaharashtra 400076 India +918879363364 owaisshafi@iitb.ac.in

Leah Miramontes University of Arkansas 1611 W. Crowne Dr. Apt 107 Fayetteville 72701 United States 214-679-9951 ldm002@uark.eduMorteza Mirshekari University of New Hampshire 254 Forest Park Durham New Hampshire 03824 United States 6032852402 mm1@wildcats.unh.eduEugene Mirsky Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States (412) 221-4500 eugene.mirsky@nicholsonconstruction.comDan Mirt Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 dan.mirt@nicholsonconstruction.comDebakanta Mishra Boise State University 1910 University Drive MS 2060 Boise Idaho 83725 United States 2084263710 debmishra@boisestate.eduJohn Mitchell Roll Form Group Suite 100 - 6701 Financial Drive Mississauga Ontario L5N 7J7 Canada 905-270-5300 jmitchell@rollformgroup.comPatrick Mix Bauer Foundation Corp. 13203 Byrd Legg Drive Odessa Florida 33556 United States 727-531-2577 pmix@bauerfoundations.comZach Mixon Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.comCandis Mixon Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.com

BehdadMofarraj Kouchaki University of Arkansas 701 W. Sycamore St. Apt 73 Fayetteville 72703 United States 484-821-7918 bmofarra@uark.edu

Rozbeh Moghaddam Texas Tech University 910 Milwaukee Apt 1012 Lubbock Texas 79416 United States 575-791-7384 rozbeh.moghaddam@ttu.eduArif Ali Baig Moghal King Saud University King Khalid Road Riyadh Riyadh 11421 Saudi Arabia +966114670732 reach2arif@gmail.com

Khalid Mohamed Federal Highway Administration 1200 New Jersey Ave. SE WashingonDistrict of Columbia 20590 United States 202-366-0886 khalid.mohamed@dot.gov

Alireza Mohammadinia Swinburne university of technology John St, Hawthorn VIC 3122 Australia +61392144857 amohammadinia@swin.edu.au

Mehdi Mohammadrajabi Texas A&M University 400 Summer Court Unit B College Station Texas 77840 United States 9794226485 mohammadrajabi@tamu.edu

Clint Mohan South Sask Rathole Box 1052 WayburnSaskatchewan S4H 2L3 Canada 306-861-7800 brucehodgkin@hotmail.com

Martin Mohr CJ Drilling, Inc. 19N041 Galligan Road Dundee Illinois 60118 United States 847-669-8000 mmohr@cjdrilling.comClaire Mollereau POMERLEAU 500 rue St-Jacques 11th Floor MONTREAL QC H2Y 0A2 Canada (514) 789-2728 claire.mollereau@pomerleau.caGaetan Mondoux Blackrock Foundations Milton Ontario L9T 4H9 Canada gaetanm@blackrockfoundations.caRick Monroe Sis Geo North America 24 A Celestial Drive Narragansett Rhode Island 02882 United States 401-258-8848 rick.monroe@sisgeo-northamerica.com

ERNESTO MONSIVAIS ESTUDIOS Y CONTROL DEL NORESTE 011 52 8110940497 ESCOBEDO N,L. 66056 Mexico011 52 8110940497 ccne04@hotmail.com

Brina Montoya North Carolina State University Campus Box 7908 Raleigh North Carolina 27511 United States 9195130425 bmmorten@ncsu.eduDave Moody Becho Incorporated 15901 Olden Street Sylmar California 91342 United States 818-439-4367 Dave.Moody@bechoinc.comVance Moody Kennametal, Inc. 1600 Technology Way Latrobe Pennsylvania 15650 United States 1-205-956-2567 vance.moody@kennametal.comWilliam Moody Rimkis Consulting Co Hwy 59 Eight Greenway Plaza Suite 500 Houston Texas 77041 United States 800-580-3228 nahant1972@gmail.comDave Moody Becho Inc. 15901 Olden Street Sylmar California 91342 United States 818-362-8391 dave.moody@bechoinc.comMike Moore ADSC 8445 Freeport Pkwy Suite 325 Irving Texas 75063 United States 469-359-6000 mmoore@adsc-iafd.comTerry Moore TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comFrank Moore TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comLarry Moore Clark Foundations, LLC 41450 Hagley Pl Leesburg Virginia 20175 United States 7039066484 larry.moore@clarkconstruction.com

Behrooz Moradi Bajestani Southern Illinois University 127 E Union St, APT 4 Edwardsville Illinois 62025 United States 6184023437 bmoradi@siue.eduAndrew Moran Nicholson Construction Company 12 McClane St Cuddy Pennsylvania 15031 United States 42126772224 Andrew.moran@nicholsonconstruction.comChip Moran Agate Construction Co., Inc. 1030 Route 83 Clermont New Jersey 08210 United States 6096249090 cmoran@agateconstruction.netScott Moreland Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 scott.moreland@liebherr.com

Alessandro Moretti SOILMEC/PSM Via del Lavoro 7 Casella D'Asolo 31011 Italy+39 042375566254 a.moretti@psmdrilling.it

John Morgan Malcolm Drilling Company 3503 Breakwater Court Hayward California 94545 United States 5107809181 jmorgan@malcolmdrilling.comJon Morgan Culy Construction & Excavation 610 N. East Winchester Nebraska 47394 shensley@culyconstruction.comDon Moriss Buffalo Drilling Company markdriller@yahoo.comMasakazu Morita Giken Japan morita@giken.comTeri Moritomo Hawaiian Dredging Construction Company P.O. Box 4088 Honolulu Hawaii 96812 United States 8087353211 tmoritomo@hdcc.comAndrew Joseph Morog Malcolm Drilling Company 92 Natoma Street Ste. 400 San Francisco California 94105 United States 305 374 8618 amorog@malcolmdrilling.com

Susan Moroney Superior Foundation, Inc. 8391 Old Courthouse Road Suite 305 Vienna Virginia 22980 United States 703-848-2727 tmoroney@superiorfoundation.comTed Moroney Superior Foundation, Inc. 8391 Old Courthouse Road Suite 305 Vienna Virginia 22980 United States 703-848-2727 tmoroney@superiorfoundation.comSean Morris Sharp's Construction 3911 - 82nd Ave Leduc Canada T9E 8M3 Canada 780-446-7857 smorris@sharpsconstruction.comDick Morris ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 dmorris@iceusa.comEleanor Morris ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 dmorris@iceusa.comKen Morris ASCE 307 E 13th Street Edmond Oklahoma 73034 United States (405) 990-9726 kmorris12@cox.netMichael Morris Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States (412)221-4500 michael.morris@nicholsonconstruction.comTrevor Morris Malcolm Drilling Co., Inc. 8701 S. 192nd St. Kent Washington 98031 United States 253-395-3300 tmorris@malcolmdrilling.comChris Morris Farm & Ranch Construction LLC PO Box 69 Iredell Texas 76649 United States 512-484-3981 cmorris@frctex.comAmr Morsy The University of Texas at Austin 311 E. 31st St. Apt 203B Austin Texas 78705 United States 512 767 9851 amr.morsy@utexas.eduChris Moss Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 5616832015 cmoss@rrheavyequipment.comAzadeh Mostofi University of Texas at Austin 1618 w 6th street , APT C Austin Texas 78703 United States 5129992467 az_mostofi@utexas.edu

Mohammad Motalleb nejad University of Delaware301 Dupont hall Civil and environmental department Newark Delaware 19716 United States 3028318053 mohmtlb@udel.edu

Ramin Motamed University of Nevada, Reno 1664 N. Virginia St. Mail stop 258 Reno Nevada 89557 United States 775-784-6960 motamed@unr.eduKevan Mott PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-351-1863 kmott@pengoattachments.comLeonardo Motta CZM Foundation Equipment 145 E. Industrial Blvd. Pembroke Georgia 31321 United States 912-320-2699 leonardo.motta@czm.com.br

Ara Mouradian Gannett Fleming, Inc. Valley Forge Corporate Center 1010 Adams Avenue Audubon Pennsylvania19403-2402 United States 610-650-8101 amouradian@gfnet.com

Hanna Moussa Jabbour Lehigh University Steps 320, 1 West Packer Avenue Bethlehem Pennsylvania 18015 United States 4846325239 ham413@lehigh.edu

Luis Moxam Watler and Hislop Services 354 Millennium Place Grand Cayman George Town KY1-1003 Cayman Islands 345-949-4880 info@equipmentservices.kyBob Mraz Lally Pipe & Tube P.O. Box 69 534 Lowellville Road Struthers Ohio 44471 United States 330-750-1002 bmraz@lallypipe.comMassimo Mucci Layne Christensen Company 6811 Ash Street Frisco Texas 75034 United States 972-247-6767 massimo.mucci@layne.comStephen Muck Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comLarry Mulanax APE Canada 9004B Yellowhead Trail Edmonton Alberta T5B 1G2 Canada 780) 474-9888 Larrym@apevibro.comGene Mulligan Winter Equipment 1900 Joseph Lloyd Pkwy Willaby Ohio 44094 United States 800-294-6837 gmulligan@winterequipment.comHal Mulveney Roll Form Group 6701 Financial Drive Suite 100 mississauga Ontario L5N 7J7 Canada 905-593-3497 mulveney@rollformgroup.comKrystal Munoz Munoz Drilling South Texas humberto@munozdrilling.comMijali Munoz Drillers Supply S.A. Chile mijali@dsichile.comHumberto Munoz, Jr. Munoz Drilling South Texas humberto@munozdrilling.com

Muralee Muraleetharan University of OklahomaSchool of Civil Engineering and Environmental Science

202 W. Boyd Street, Room 334 Norman Oklahoma 73019 United States 4053254247 muralee@ou.edu

Madhuri Murali Texas A&M University 3136 TAMU, CE/TTI 705 College Station Texas 77843 United States 9794509118 maddy25@tamu.eduDavid Murphy Drilling Service Co. 13230 Ferguson Lane St. Louis Missouri 63044 United States 3142911111 dmmurphy@drillingserviceco.comMichael Murphy Drilling Service Co. 13230 Ferguson Lane St. Louis Missouri 63044 United States 3142911111 mgmurphy@drillingserviceco.comBernie Murphy Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comAustin Murphy Drilling Service Co. 13230 Ferguson Lane Bridgeton Missouri 63044 United States 3142911111 bdmurphy@drillingserviceco.comSteve Murphy Trident Construction Ltd 21 Dundee Ave Mount Pearl NL A1N 4r6 Canada 7093687331 danspracklin@tridentconstruction.caJason Murphy Case Atlantic 13065 40th Street North Clearwater Florida 33762 United States 727-572-7740 jkmurphy@casefoundation.comJeffrey Murphy Drilling Service Co. 13230 Ferguson Lane St. Louis Missouri 63044 United States 314-291-1111 jrmurphy@drillingserviceco.comBruce Murphy Drilling Service Co. 13230 Ferguson Lane Bridgeton Missouri 63044 United States 3142911111 bdmurphy@drillingserviceco.comKyle Murphy Shannon & Wilson 3710 W 112th Ave #207 Westminster 80031 United States 720-258-4126 kdm@shanwil.comMark Murphy Drilling Service Co. 13230 Ferguson Lane St. Louis Missouri 63044 United States 3142911111 mgmurphy@drillingserviceco.comMike Murray xtreme drilling 5445 Colorado blvd. Dacono Colorado 80621 United States 970-227-4733 mgmxtreme@aol.comKyle Murrell S&ME, Inc. 499 Lackland Ct Mt Pleasant South Carolina 29464 United States 8438840005 kmurrell@smeinc.comMarcello Musarra Layne Christensen Company 6811 Ash Street Frisco Texas 75034 United States 972-247-6767 marcello.musarra@layne.comFinnegan Mwape Geocomp Corporation 125 Nagog Park Acton Massachusetts 01720 United States 510-449-3231 fmwape@geocomp.comBatbold Myagmarjav Texas Tech University 2406 Main St Apt 32 Lubbock Texas 79401 United States 8064459348 storage.batbold@gmail.comKathy Myers Davey Drill 200 West Williams St. Kent Ohio 44240 United States 330-673-5400 kmyers104@gmail.comTom Myers Davey Drill 200 WEST WILLIAMS STREET Kent Ohio 44240 United States (330) 673-5400 tmyers@daveykent.comJohn Myers PTC 3339 Peach Rd Ridgeway South Carolina 29130 United States 3098834695 j.myers@ptc.fayat.comCraig Myers Hayes Drilling, Inc. 1120 E. Main Street Ext. Georgetown Kentucky 40324 United States 502-863-9555 cmyers@hayesdrillinginc.comDavid Myers Davey Drill 200 WEST WILLIAMS STREET Kent Ohio 44240 United States (330) 673-5400 dmyers@daveykent.comWarjay Naigan Cal Poly Pomona GeoWall 2033 Indiana St West Covina California 91792 United States 9492923199 wnaigan@gmail.comShadi Najjar American University of Beirut Bliss Street Beirut Beirut NA Lebanon 961-1-350000 sn06@aub.edu.lb

Rakesh Nalluri Meghana Infraheights Private Limited P.No:25&26,F.No:302,Sri Sai ResidencyBalaji Nagar Colony,LB Nagar Hyderabad 500068 India 00914066109380 rakeshnalluri5@gmail.com

Boo Hyun Nam University of Central Florida 4000 Central Florida Blvd Orlando Florida 32816 United States 407-823-1361 boohyun.nam@ucf.edu

Soonkie NamSouth Dakota School of Mines and Technology 501 E. St. Joseph St.

Dept. of Civil and Environmental Engineering Rapid City South Dakota 57701 United States 605-394-1970 Soonkie.Nam@sdsmt.edu

Kyle Nape Link-Belt Construction Equipment 2651 Palumbo dr. Lexington Kentucky 40509 United States 8592635200 knape@linkbelt.comMatthew Napier Jameson Southern Methodist University 3438 McFarlin blvd. #101 Dallas Texas 75205 United States 214-577-1037 matt.n.jameson@gmail.comBill Nara ASCE 1801 Alexader Bell Dr Rexton Virginia 20191 United States 703-295-6163 wnara@asce.orgPeter Narsavage E.L. Robinson Engineering 1801 Watermark Dr. Suite 310 Columbus Ohio OH 43215 United States 614-586-0642 pnarsavage@elrobinson.comAbdolreza Nasouri University of Texas at San Antonio 15800 Chase Hill #3001 San Antonio Texas 78256 United States 5127171270 abdolreza.nasouri@gmail.comKen Neal Geo-Foundations Contractors Inc. 302 Main Street North Acton Ontario L7J 1W9 Canada 5198533216 kneal@geo-foundations.comTim Nedbal Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comThomas Neff BETEK Sulgener Str. 21-23 Aichhalden 78733 Germany +497422565144 t.neff@betek.deJoe Nelms Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tobias.haemmerle@liebherr.comShawn Nelson R.W. Harris, Inc. 12300 44th St. N Clearwater Florida 33762 United States 727-572-9200 shawn@rwharrisinc.comJohn D. Nelson Engineering Analytics, Inc. 51361 Weld County Rd 17 Wellington Colorado 80549 United States 970 488-3111 jnelson@enganalytics.comDarlene M.. Nelson JD Nelson Engineering, Inc. 51361 Weld County Rd 17 Wellington Colorado 80549 United States 970 897-2444 jnelson@enganalytics.comWilliam Neptune Keystone Foundation Repair, Inc. 229 Petersburg Rd Carlisle Pennsylvania 17013 United States 717-243-2040 will@keystonefoundationrepair.comMorgan NeSmith Berkel 7300 Marks Ln Austell Georgia 30168 United States 770-941-5100 Mnewmith@berlelapg.comAl Neumann Bauer Foundation Corp 13203 Byrd Legg Drive Odessa Florida 33556 United States 727-531-2577 aneumann@bauerfoundations.comMadan Neupane the University of Kansas 1630 Ellis Drive, APT 9 Lawrence Kansas 66044 United States 7858407492 nmadan2000@ku.edu

James Nevels James B. Nevels, Jr., Ph.D., P.E., PLLC 605 Mimosa Dr. Norman Oklahoma73069 8622 United States 405 818 2897 jnevels1@cox.net

Kevin Neville Atlas Copco 87G Brusnwick BlvdDollard des Ormeaux Quebec H9B 2J5 Canada 514 421 4332 kevin.neville@ca.atlascopco.com

Jeff Newbauer Stucchi USA 1107 Windham Parkway Romeoville Illinois 60446 United States 847-956-9720 rmorales@stucchiusa.comJason Newbold Hammer & Steel, Inc. 482 Houses Corner Road Suite #3 Sparta New Jersey 07871 United States 973-512-2940 jnewbold@hammersteel.comJerry Newman Mid South Fabrication & Coating jnewman@midsouthfaqb.comRob Newsom PDS 105 W. Sharp St El Dorado Arkansas 71730 United States 8708635707 rob@pdscoinc.comKam Ng University of Wyoming 1000 E. University Ave Laramie Wyoming 82071 United States 307-766-4388 kng1@uwyo.eduJohnfavour Ng UCLA 519 Landfair Ave Los Angeles California 90024 United States 5103044248 johnng@ucla.eduTheresa Ngo University of Oklahoma 2517 Ridgewood Drive Moore Oklahoma 73160 United States 405-413-2558 theresa.ngo-1@ou.eduTHang Nguyen Hayward Baker Inc. 1780 E. Lemonwood Drive Santa Paula California 93060 United States 8059331331 TVNguyen@haywardbaker.comHai Nguyen The University of Texas at Arlington 701 South Nedderman Drive Arlington Texas 76019 United States 682-557-0712 hai.nguyen89@mavs.uta.edu

Khoi Nguyen University of South Australia H2-26, University of South AustraliaMawson Lakes Boulevard Mawson Lakes

South Australia 5095 Australia +61883023742 nguhy030@mymail.unisa.edu.au

Toan Nguyen SAN DIEGO STATE UNIVERSITY 8543 Duncannon CT San Diego California 92126 United States 8582018653 toannet1@gmail.comFawad Niazi Georgia Institute of Technology 790 Atlantic Drive (Mason Building) Atlanta Georgia 30318 United States 4047172622 fniazi6@gatech.eduScott Nichols Hayward Baker, Inc. 9 Whipple Street Unit 1 Cumberland Massachusetts 02864 United States (401) 334-2565 ssnichols@haywardbaker.comTom Nichols Michels Corporation PO Box 128 Brownsville Wisconsin 53006 United States 920-583-3132 tnichols@michels.us

Silas Nichols Federal Highway Administration 1200 New Jersey Avenue SE HIBS-20 WashingtonDistrict of Columbia 20590 United States 202-366-1554 Silas.Nichols@dot.gov

Morris Nichols Holt Crane & Equipment Houston Texas morris.nichols@hotcrane.comPeter Nicholson Nicholson Geotechnical 835 A`alapapa Drive Kailua Hawaii 96734 United States 808-291-6771 peter.hawaii@gmail.comEd Nickell Longfellow Drilling 1209 County Highway J23 Clearfield Iowa 50840 United States 641-202-1010 enickell@ldidrilling.comLance Nickeson Word International 888 Isom Rd Suite 200 San Antonio Texas 78216 United States 210-341-6333 lance.nickeson@boschrexroth.comJennifer Nicks Federal Highway Administration 6300 Georgetown Pike Mclean Virginia 22101 United States 202-493-3075 jennifer.nicks@dot.govDerf Niegocki Case Foundation Company 850 Cassatt Road Berwyn Pennsylvania 19312 United States 610-353-0600 dkniegocki@casefoundation.comJames Niehoff GEI Consultants 4601 DTC Boulevard, Suite 900 Denver Colorado 80237 United States 303-704-8390 jim.niehoff@hotmail.comMatthew Niermann Schnabel Foundation Company 45240 Business Ct Sterling Virginia 20166 United States 7037420020 matt@schnabel.comBrock Nieuwkoop Malcolm Drilling Co., Inc. 4926 N. Azusa Canyon Road Irwindale California 91706 United States 626-338-0035 brockn@malcolmdrilling.comCody Nikoofekr MAIT USA CORPORATION 2367 W 208th St, unit 4 Torrance California 19720 United States 2819137773 hefner@mait.itJianda Niu Virginia Tech 1829 Grayland St. #3 Blacksburg Virginia 24060 United States 5157084082 jianda@vt.eduJoseph Nixon Subsurface Construction Company, LLC 1107 Fuller Street Raleigh North Carolina 27603 United States 9198574609 joseph@subsurfaceconstruction.comMary Nodine GEI Consultants, Inc 400 Unicron Park Drive Woburn Massachusetts 01801 United States 781-721-4000 mnodine@geiconsultants.comMary Nodine GEI Consultants, Inc 400 Unicorn Park Drive Woburn Massachusetts 01801 United States 781-721-4111 mnodine@geiconsultants.com

Roland Noestler Liebherr Werk Nenzing Dr. Hans Liebherr Str. 1 Nenzing 6710 Austria 713-636-4053 roland.noestler@liebherr.comJim Nordquist AGEC 600 W. Sandy Parkway Sandy Utah 84070 United States 8015666399 nord@agecinc.com

Taylor Nordquist Massachusetts Institute of Technology 77 Massachusetts Ave., 1-343B Cambridge Massachusetts02139-4307 United States 8018566145 tjnord@mit.edu

Shaun Norman Pinnacle Drilling Products LP 5037 Still Creek Ave Burnaby BC V5C 5V1 Canada (604)678-8508 shaun@traxxon.comScott Norman Earth Solutions 5958 Snow Hill Road Suite 144-133 Ooltewah Tennessee 37363 s.norman@polymerslurry.com

Richard Northfield Lally Pipe & Tube Suite 103, Parish House222 Prince George Street Annapolis Maryland 21401 United States 800-533-6835 rnorthfield@lallypipe.com

Gerardo Nunez California State University, Los Angeles 10942 Pope Ave. Lynwood California 90262 United States 3232836846 nunezgerardo90@gmail.comJamal Nusairat E. L. Robinson Engineering 1801 Watermark Drive Suite 310 Columbus Ohio 43215 United States 6145860642 jamal@elrobinson.comKrekkiat Nutalaya Virginia Tech 703 Apt.8 Appalachian Dr. Blacksburg Virginia 24060 United States 302-690-6715 odiemini@vt.eduMark Nye DJ SCHEFFLER Pomona California mark@djscheffler.comScott Nye Keystone Foundation Repair, Inc. 229 Petersburg Rd Carlisle Pennsylvania 17013 United States 717-243-2040 scott@keystonefoundationrepair.comKristen O'Connor Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comSean O'Donnell Arizona State University P.O Box 873005 ISTB2 M-145 Tempe Arizona 85281 United States 908-581-9908 stodonne@asu.eduKevin O'keefe CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 kokeefe@cjdrilling.comShane O'Neill Moretrench 16 Copicut Road (Rear) Assonet Massachusetts 02702 United States 508-644-9952 soneill@mtac.comJAMES O'SHEA INDEPENDENCE TUBE CORPORATION 6226 W. 74TH STREET CHICAGO Illinois 60638 United States 800-376-6000 joshea@independencetube.com

Stuart O'Steen Federal Highway Administration 1200 New Jersey Avenue SE HIBS-20 WashingtonDistrict of Columbia 20590 United States 202-366-1554 Silas.Nichols@dot.gov

Timothy O'Toole Texco Drilling 618 Ansons Rd, RD1 Darfield ChristchurchNew Zealand 7571 New Zealand 0274688834 timotoole@texco.co.nz

Edward O’Rourke GEI Consultants, Inc 400 Unicron Park Drive Woburn Massachusetts 01801 United States 781-721-4000 eorourke@geiconsultants.comJason Oberg Blattner Energy, Inc. 392 County Road 50 Avon Minnesota 56310 United States 320-356-2046 JasonO@blattnerenergy.comFabian Ochoa West Coast Drilling Hercules California mrauger@aol.comAtsushi Ohira Giken Japan morita@giken.comJeff Ohlson Williams Form Engineering Corp. 6440 Flanders Dr. San Diego California 92121 United States 8583200330 johlson@williamsform.comCraig Ohlson HARTFIEL Plano Texas craig.ohlson@hartfiel.comNick Olemstead Copp's 225 BurntRidge Rd Red Deer County Canada glacelle@coppsinc.ca

Guney Olgun Virginia Tech 111A Patton HallDept of Civil and Env Eng Blacksburg Virginia 24061 United States 5402312036 colgun@vt.edu

Joel OlivaNational Commission for the Certification of Crane Operators 2750 Prosperity Ave Suite 505 Fairfax Virginia 22031 United States 7035602391 joliva@nccco.org

Mike Olliff DRILLTOOLS 4001 Enterprise Street Wimberly Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.comKimball Olsen Kiewit Engineering Co. 9780 Pyramid Ct. Suite 100 Englewood Colorado 80112 United States 303-269-3148 kimball.olsen@kiewit.comAndy Olson Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 aolson@bayshoresystems.comLarry Olson Olson Engineering 12401 W. 49th Ave Wheat Ridge Colorado 80033 United States 303-423-1212 ldolson@olsonengineering.comMehdi Omidvar New York University 53 Boerum PL APT 9G Brooklyn New York 11201 United States 7182603134 m.omidvar@nyu.eduTOM OMLI GEOPROBE SYSTEMS 1835 WALL ST SALINA Kansas 67401 United States 785-404-1160 chril@geoprobe.comDan Oneal Hayward Baker 1350 W. Lake Street Roselle Illinois 60172 United States 630-339-4300 dkoneal@haywardbaker.com

Thomas Oommen Michigan Technological University 1400 Townsend Dr

Department of Geological and Mining Engineering and Sciences Houghton Michigan 49931 United States 9064872045 toommen@mtu.edu

Oscar Orduno Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertson@oscarordunoinc.comMike Ormsby Hammer & Steel, Inc. 11916 Missouri Bottom road Hazelwood Montana 63042 United States 314-895-4600 mormsby@hammersteel.comJames Orndorff PennDrill Manufacturing 321 Arbor Court Winchester Virginia 22602 United States 540-771-5882 jorndorff@penndrill.comNate Orrick Daniel Steel Industries, Inc. 4640 N. Beltline Road Sunnyvale Texas 75182 United States 9722267656 norrick@danielseelind.comJorge Ortega Bayshore Systems Monterrey Mexico jortega@magro.com.mxEugenia Osbon mary@waatools.comFernanda Osborne Stressteel, Inc. 47375 Fremont Boulevard Fremont California 94538 United States 888-284-8752 fernanda.osborne@stressteel.comZach Osman University of Missour-Columbia E2509 Lafferre Hall Columbia Missouri 65211 United States 573-882-6269 zaovy4@mail.missouri.eduAbdolreza (Reza) Osouli Southern Illinois University Edwardsville 61 Circle Dr. Edwardsville Illinois 62026 United States 618-650-2816 aosouli@siue.edu

Siggi Ottersbach Hütte Bohrtechnik GmbH Ziegeleistraße 36 Olpe NRW 57462 Germany 0049 2761 96440 s.koch@casagrandegroup.comNoel Outlaw THATCHER FOUNDATIONS 7100 Industrial Highway Gary Indiana 46406 United States 2199492084 noutlaw@thatcherfoundations.comMatthew Over Turnkey Site Solutions 57 Ingram Drive Toronto Canada 416-732-8981 matthew@turnkeyss.ca

Greg Overmohle University of Kansas 920 Indiana Lawrence Kansas 66044 United States 9137871037 g796o456@ku.eduMichael Owens Kiewit 3555 Farnam Street Omaha Nebraska 68131 United States 402-779-8032 Michael.Owens@kiewit.comRick Owens Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 mwysockey@thatcherfoundations.com

AyseOZDOGAN-DOLCEK University of Wisconsin Madison

1415 Engineering Drive 2243 Engineering Hall Madison Wisconsin 53706 United States 608-609-2939 aozdogan@wisc.edu

Matt Pace Pittsburgh Pipe 170 Humboldt Ave Saint Louis Missouri 63147 United States 314-383-5300 mpace@pittsburghpipe.comMichael Pagano Avar Construction 47175 Fremont Blvd Fremont California 94538 United States 510-354-2000 mp@avarconstuction.comJonas Palm Robit inc 1930 Airport Park Drive Suite J Marietta Georgia 30060 United States 7706537217 jonas.palm@robitusa.comJake Palmer APE/J&M 39266 Doyle Drive Gonzales Louisiana 70737 United States 225) 644-7722 jakep@apevibro.comChris Palmer Triad Metals 1951 Bessemer Road Petersburg Virginia 23805 United States 8047325000 chris.palmer@triadmetals.comWendy Panbecker PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-841-7414 wpanbecker@pengoattachments.comPhil Paolelli Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 phil@lfdc.comAndre Paraiso CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 andre.paraiso@czm.com.brMarco Paratore Layne Christensen Company 6811 Ash Street Frisco Texas 75034 United States 972-247-6767 marco.paratore@layne.comOmar Pareja ICE 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 opareja@iceusa.comRaelynn Paris Kelly Tractor United States donald_grant@kellytractor.comMegan Paris Kelly Tractor United States donald_grant@kellytractor.comRonald Paris, Jr. Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 561-683-2015 rparis@rrheavyequipment.comTravis Parker Cajun Deep Foundations, LLC 15635 Airline Hwy Baton Rouge Louisiana 70817 United States 2257541369 travis.parker@cajunusa.comDan Parker Foundationdrilling.com PO 2010 Canyon Lake Texas 78133 United States 830-935-3344 dparker@foundationdrilling.comJonathan Parker Scott Powerline P O Box 4008 Monroe Louisiana 71211 United States 318-388-9207 ksnell@scottpowerline.comJerry Parola Hayward Baker Inc. 1350 W. Lake Street Roselle Illinois 60172 United States 630-339-4332 jparola@haywardbaker.comJorge Parra Geo Pier Foundations 130 Harbour Place Drive Suite 280 Davidson North Carolina 28036 United States 704-439-1790 jparra@geopier.comAna Maria Parra Bastidas UC Davis 1715 Tilia Street Apartment 332 Davis California 95616 United States 5304025512 aparrabastidas@ucdavis.eduFrank Pasierbski Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 jdittmeier@hammersteel.comEric Paslack Shannon & Wilson 3990 Collins Way Suite 100 Lake Oswego Oregon 97035 United States 503-210-4750 ecp@shanwil.comEduardo Patiño Alvarez ltda Pedro Butron 217 Cochabamba Bolivia none Bolivia (591)76401358 eduardo-patino@alvarezltda.com

Drew Paton Equipment Sales & Service 1030 Martin Grove Road Toronto Ontario M9W 4W3 Canada 416-249-8141 dpaton@essltd.comJeffrey Patrick Infasco 853 S. Great Southwest Pkwy Grand Prairie Texas 75051 United States 2142888064 jpatrick@infasco.comDebby Patterson TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comBill Patterson TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comAlex Patterson WORD International,Inc 4565 Reid Rd. Elon North Carolina 27244 United States 3365846700 paige@wordrockdrills.comLisa Patterson WORD International,Inc 4565 Reid Rd. Elon North Carolina 27244 United States 3365846700 paige@wordrockdrills.comGlenn Patterson TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comBecky Patterson TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 billy@teirockdrills.comBruce Patterson Canadian Pile Driving Equipment olli.inkinen@junttan.comJoe Patterson TEI Rock Drills P.O. Box 1309 Montrose Colorado 81402 United States (970) 249-1515 Joe@teirockdrills.comJohn Patterson WORD International,Inc 4565 Reid Rd. Elon North Carolina 27244 United States 3365846700 paige@wordrockdrills.comAdriana Paucean Gannett Fleming Harrisburg Pennsylvania 17011 apaucean@gfnet.com

Will Pauga Southwest Contracting Ltd 9426 192nd Street SurreyBritish Columbia V4N 3R9 Canada 604 888 5221 will@southwestcontracting.ca

David Paul US Army Corps of Engineers 12596 West Bayaud Ave Suite 00 Lakewood Colorado 80228 United States 303-963-543 david.b.paul@usace.army.milTom Pavlovic SAS Stressteel 47375 Fremont Blvd Fremont California 94538 United States 778-397-2605 tom.pavlovic@stressteel.comSeth Pearlman Menard 275 Millers Run Rd Bridgeville Pennsylvania 15017 United States 412-257-2750 jborella@menardusa.comJames Pease McCrossin Foundations 1016 Old W. Chocolate Ave. Hershey Pennsylvania 17033 United States 717-298-1873 jpease@mccrossin.comDavid Pecorini Manhattan College 25 Revere Drive West Floral Park New York 11001 United States 5166399894 dpecorini.student@manhattan.eduAravind Pedarla UT Arlington 8416 Whistling duck Dr. Fort Worth Texas 76118 United States 6822256224 aravindcivil@gmail.com

Robin Pedersen CD Construction Drilling Inc. 2958 Boys Road DuncanBritish Columbia V9L 6W4 Canada 250-746-4408 rpedersen@condrill.ca

Eric Pederson Veit 14000 Veit Place Rogers Minnesota 55374 United States 763-428-9580 EPederson@veitusa.com

David Pedrote Lainco S.A. de C.V. España 2099 Col. Moderna Guadalajara Jalisco 44190 Mexico011523336159510 contacto@lainco.com.mx

Gil Peel American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-965-2637 gil@american-equipment.comBen Peel American Equipment and Fabricating 100 Water Street East Providence Rhode Island 02914 United States 401-438-2626 b.peel@american-equipment.com

James Pegues Southern Company 42 Inverness Center Parkway Bin B426 Birmingham Alabama 35242 United States 205-992-6002 jcpegues@southernco.comGregory Peitz Moretrench 144 Dexter Drive Monroeville Pennsylvania 15146 United States 412-793-9303 gpeitz@mtac.comKayla Peji Student at Cal Poly Pomona 3240 Gale Avenue Long Beach California 90810 United States 5624727256 kaylapeji@gmail.comNadia Pelletier Geo Roc For Inc. 165 Joseph-Robertson Sherbrooke Quebec J1C 2W7 Canada luc@georocfor.caXin peng The University of Texas at Austin 301 East Dean Keeton [Stop C1792] Room ECJ 9.227 Austin Texas 78712 United States 5124686165 xin_peng@utexas.eduMarcello Pennacchioli Kelly Tractor Co 5460 Okeechobee Boulevard West Palm Beach Florida 33417 United States 5616832015 pennacchioli@imtspa.comChris Pennington Piling Inc. 210 21 Street South Texas City Texas 77590 United States 4099453459 chris@pilinginc.comFrank Pepe PB One Penn Plaza NY New York 10119 United States 212 4655215 pepe@pbworld.comRandy Perdue James McHugh Construction Co. 1737 S. Michigan Avenue Chicago Illinois 60616 United States 312-986-8000 rperdue@mchughconstruction.comAnderes Peres West Coast Drilling 1350 Willow Ave Hercules California 94547 United States 510-245-0556 sonnywcd@aol.comGiuliano Peressini Casagrande SpA Via A. Malignani N. 1 Fontanafredda 33074 Italy 973-579-1906 r.robertson@casagrandegroup.comColin Perkins Malcolm Drilling Co. Inc. 92 Natoma Street Suite 400 San Francisco California 94105 United States 415-590-0993 cperkins@malcolmdrilling.comHoward Perko Magnum Piering 6082 Schumacher Park Drive Westchester Ohio 45069 United States 800-822-7437 hperko@magnumpiering.comSean Perreault Williams Form Hardware & Rockbolt 670 Industrial Rd. London Ontario N5V1V1 Canada 5196599444 sperreault@williamsform.caBrian Perrier Keller Foundations LLC 7550 Teague Road, Suite 300 Hanover Maryland 21076 United States 4108740042 bdperrier@kellerfoundations.comZane Peters Culy Construction & Excavation 610 N. East Winchester Nebraska 47394 shensley@culyconstruction.comLee Petersen Itasca 111 3rd Ave S, Ste 450 Minneapolis Minnesota 55401 United States 612-371-4711 lpetersen@itascacg.comWilliam Petersen Schnabel Engineering, Inc. 1380 Wilmington Pike Suite 100 West Chester Pennsylvania 19382 United States 610-696-6066 wpetersen@schnabel-eng.comCork Peterson Peterson Constractors, Inc. Reinbeeck Iowa zscarboro@geopier.comAndy Peterson PETERSON GEOTECH Skaneateles New York 3155210815 APETERSON@PETERSONGEOTECH.COM

Louise Peterson Lester Communications Inc. 701 Henry Avenue Winnipeg Manitoba R3E1T9 Canada 204-953-2183 lpeterson@lesterpublications.comJeff Petrongolo JPC Group, Inc. 228 Blackwood Barnsboro Rd. Blackwood New Jersey 08012 United States 856-232-0400 jeffp@jpcgroupinc.comJeff Petrongolo JPC Group, Inc. 228 Blackwood Barnsboro Rd. Blackwood New Jersey 08012 United States 856-232-0400 jeffp@jpcgroupinc.com

Michelle PettitAtlas Copco Mining, Rock Excavation & Construction 6393 S. Campbell Ave Tucson Arizona 85706 United States 5202404463 michelle.pettit@us.atlascopco.com

Marcus Pflug Preset Piling Ltd 33 Terracon Place Winnipeg R2J 4B3 Canada 204-233-7391 mpflug@presetpiling.comSteven Phelps American Wick Drain Corporation 1209 Airport Road Monroe North Carolina 28110 United States 8002429425 cphelps@americanwick.comBrandon Phetteplace GRL Engineers, Inc. 8289 Springview Rd Sagamore Hills Ohio 44067 United States 216-816-7556 bphetteplace@grlengineers.comStanley Phifer Farmersville Foundation Tooling PO Box 111 Farmersville Texas 75442 United States 972-784-6689 shurst@farmersvilletooling.comTracy Phifer Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymachine.com

RajanPhilippose Mangalasseri Terex 500 Oakwood Road Watertown South Dakota 57201 United States 605 882 5526 Nancy.Hulscher@terex.com

Mike Phinnemore Russo Corporation 333 Sansom Blvd. Saginaw Texas 76179 United States 8174-566-7370 mphinnemore@russocorp.comJohnny Phipps Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comBeth Pianori SunSource 1172 113th Street Grand Prairie Texas 75050 United States 877-329-0339 bpianori@sunsrce.comRISHENG PIAO Shannon & Wilson 3990 Collins Way Suite 100 Lake Oswego Oregon 97035 United States 503-210-4750 rpp@shanwil.comDoug Picker Hammer & Steel, Inc. 1999 Sawmill Road Dayton Texas 77535 United States 936-257-8790 dpicker@hammersteel.comKenneth Pidgeon Engineers Construction PO Box 2187 South Burlington Vermont 05407 United States 8028636389 kpidgeon@ecivt.comLisa Pierce Hayes Drilling, Inc. 1120 E. Main Street Ext. Georgetown Kentucky 40324 United States 502-863-9555 dpierce@hayesdrillinginc.comDave Pierce Hayes Drilling, Inc. 1120 E. Main Street Ext. Georgetown Kentucky 40324 United States 502-863-9555 dpierce@hayesdrillinginc.com

Doris Pieressin ENTECO s.r.l. 30020 Fossalta di Piave Venezia 30023 Italy +39 0421 679977 doris@entecodrill.comSally Pierry Pierry Consulting, Inc. 778 Ashleigh Lane Lantana Texas 76226 United States 2147258932 bob@pierryconsulting.comBob Pierry Pierry Consulting, Inc. 778 Ashleigh Lane Lantana Texas 76226 United States 2147258932 bob@pierryconsulting.com

Andreas Pikowski Hammer & Steel Industriestr 5D-57489 Drolshagen 4902763 pikowski@eurodrill.de

Miguel Pineiro UTPA 2816 phoenix av Edinburg Texas 78541 United States 9562924587 mpineiro26@gmail.comRebecca Pinney University of Cincinnati 8118 West Prospect Road Hillsboro Ohio 45133 United States 9375093402 rebecca.pinney@gmail.comAlejandro H Pino Bravo UTA 300 S Cooper St Apt 410 Arlington Texas 76013 United States 8172725188 alejandro.pinobravo@mavs.uta.edu

Paulo PintoACIV - University of Coimbra 0 VAT 505 448

173Dep. Civil Engineering - FCTUC Rua Luis Reis Santos VAT 505 448 173 Coimbra

3030-788 Coimbra Portugal +351 239 797125 ppinto@dec.uc.pt

Roberto Pirazzini CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 giuliano.clo@czm.com.brGeorge Piscsalko Pile Dynamics, Inc. 30725 Aurora Road Cleveland Ohio 44139 United States 216-831-6131 George@pile.comJohn Pittman Scott Powerline P O Box 4008 Monroe Louisiana 71211 United States 318-388-9207 ksnell@scottpowerline.comTodd Planting Bolander 251 Starkey St St Paul Minnesota 55105 United States 651-251-6129 todd@bolander.comRenai Platts Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 renai@isherwood.to

Ben Poersch Trottier Piling (2004) Ltd 435 Prairie Acres Bay Grande Pointe Manitoba R5A 0A1 Canada 204-898-4096 bennypoersch@gmail.comMARY POHLMAN Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymachine.comDennis Poland Trinity Geotechnical Engineering, Inc. 13230 Evening Creek Drive, #206 San Diego California 92128 United States 858-486-2888 dennis.poland@trinityge.com

Matt Pomfret American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-440-6470 m.pomfret@american-equipment.comJay Pool Longfellow Drilling 1209 County Road J-23 Clearfield Iowa 50840 United States 6412021090 jpool@ldidrilling.comFred Porter Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 fporter@lfdcbham.com

Humberto Posadas Hercules Construcciones Lago Huron 6729 Logo del Bosque Monterrey Mexico CP 64890 Mexico humberto.posadas@hcmsa.comRalf Poschke LEFFER Saarbrucken Germany rposchke@freenet.dePonthep Potipan Kiewit Infrastructure Engineers 9780 Pyramid Ct., Suite 100 Englewood Colorado 80112 United States 303-325-0655 ponthep.potipan@kiewit.com

Jotham Povich US Army Corps of Engineers PO Box 2004 Rock Island Illinois61204-2004 United States 3097945402 jotham.k.povich@usace.army.mil

Boone Powell Stucchi USA 1107 Windham Parkway Romeoville Illinois 60446 United States 847-956-9720 rmorales@stucchiusa.comMatt Powell Powell Contracting Ltd. 180 Ram Forest Road Gormley Ontario L0H 1G0 Canada matt@powellcontracting.on.caGeorge Power Keller Canada 2820 3rd Ave NE Calgary T2A 2L5 Canada 403 804 5896 gfpower@kellercanada.comChuck Powers CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 847-669-8000 cpowers@cjdrilling.comDaniel Pradel UCLA Los Angeles California 3102002562 dpradel@ucla.eduJoseph Prestridge Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States 205-841-8600 tphifer@jeffreymachine.comTim Pride Nicholson Construction 4124 Douglas Ave Kalamazoo Michigan 49004 United States 269-353-8421 tim.pride@nicholsonconstruction.comTom Printz Williams Form Engineering Corp. 251 Rooney Rd. Golden Colorado 80401 United States 3032169300 tprintz@williamsform.comAndrew Proffitt McKinney Drilling Co. 1838 S Preston Hwy Shepherdsville Kentucky 40165 United States 502-955-8474 aproffitt@mckinneydrilling.comKevin Prosser Stalworth Underground LLC 5515 North East River Road Chicago Illinois 60656 United States 773-858-7069 Kevin@s-ug.netDavid Provost University of Colorado 685 Viridian Dr Apt 275 Lafayette Colorado 80026 United States 2183930055 david.provost@colorado.eduAustin Pruitt SEABOARD FOUNDATIONS Post Office Box 126408 Benbrook Texas 76126 United States 8179846527 dfrye@mckinneydrilling.comRaymond Pruitt Lawrence Tech University 21000 West Ten Mile Rd Southfield Michigan Michigan 48075 United States 248-204-2545 rpruitt@ltu.edu

Joshua Pryor University of Mount Union UMU Box 408 1972 Clark Ave. Alliance Ohio44601-3929 United States 3306105768 pryorjj@mountunion.edu

Hefu Pu Missouri University of Science and Technology 135 Butler-Carlton Hall 1401 N Pine St. Rolla Missouri 65409 United States 573 341 6286 hefup0208@gmail.comAnand Puppala University of Texas at Arlington Box 19019 Arlington Texas 76019 United States 8172725821 anand@uta.edu

Patrick Purcell Mincon Group PLC Smithstown Estate ShannonCounty Clare 0000 Ireland +353868276224 Patrickpurcell@mincon.com

Tom Purcell MINCON PO Box 13886 Roanoke Virginia 24038 United States 5403449939 tompurcell@mincon.comWill Purington Maine Drilling & Blasting 423 Brunswick Avenue Gardiner Maine 04345 United States 207-203-1685 wpuringtonII@mdandb.comDale Putman Terex Utilities 500 Oakwood Road Watertown South Dakota 57201 United States 6058824000 Dale.Putman@terex.comSteven Putz Berkel & Company 7300 Marks Lane Austell Georgia 30168 United States 7709415100 sputz@berkelapg.comJoevince Qaunico jue.quanico@gmail.comKeilah Qaunico jue.quanico@gmail.comJin Qin Case Western Reserve University 10900 Euclid Avenue, Bingham 256 Cleveland Ohio 44106 United States 2165518046 jxq32@case.eduGaston Quaglia The University of Texas at Austin 621 w37th, apt 105 Austin Texas 78705 United States 5126988854 gastonquaglia@utexas.eduJoe Quanico Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 Joe@isherwood.toHannah Quanico Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 joe@isherwood.to

Raymond Quanico Berminghammer 600 Ferguson Avenue North HamiltonCanada, Ontario L8L 4Z9 Canada 9055287924 lmacqueen@berminghammer.com

Joan Queen Foundation Technologies Inc PO Box 491718 Lawrenceville Georgia 30049 United States 6784074640 sanford@foundationtechnologies.comFrank Queen Foundation Technologies Inc PO Box 491718 Lawrenceville Georgia 30049 United States 6784074640 sanford@foundationtechnologies.comK C Queen Foundation Technologies Inc 1400 Progress Industrial Blvd Lawrenceville Georgia 30043 United States 800-773-2368 kc@foundationtechnologies.comGary Quinonez Manhattan Road & Bridge 5601 S 122nd E Ave Tulsa 74146 United States 4054011599 gquinonez@manhattanrb.comAllison Quiroga University of Oklahoma 2200 NW 20th Street Oklahoma City Oklahoma 73107 United States 8173712266 quir5964@ou.eduVincent Rabalais Boh Bros. Construction 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 fuchs@bohbros.com

Morgan Race University of Arkansas UNIV OF ARKANSASOFF OF BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 2146799951 mrace@uark.edu

Ed Radford Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 ed.radford@watsonusa.comChris Radford Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comChris Ragan Atlas Tube 1855 E 122nd St Chicago Illinois 60633 United States 816 734 1282 chris.ragan@atlastube.comJosh Rager LB Foster 961 Marcon Blvd Suite 445 Allentown Pennsylvania 18109 United States 610-266-1763 jrager@lbfoster.com

Dhanvi Raghavendra Texas A&M University 401 Joe Routt Boulevard College Station Texas 77843 United States 979-422-8781 dhanvivr1@tamu.eduMustapha Rahmaninezhad University of Kansas 1012 Emery Road Apt. # A10 Lawrence Kansas 66044 United States +17853938801 rahmaninezhad@ku.eduBarrett Rahn (Copy) CZM 145 East Industrial Blvd Pembroke Georgia 31321 United States 9122007654 barrett.rahn@czm-us.comManisha Rai Virginia Tech 1800 Foxhunt Ln Apt H Blacksburg Virginia 24060 United States 6507964331 manishar@vt.eduDevinne Ramirez Arizona State University 10922 west pecan rd tolleson 85353 United States 6237608904 devinneramirez@gmail.comCarla Ramo SAS Stressteel 100 New Dutch Lane Fairfield New Jersey 07004 United States 973-244-5995 carla.ramo@stressteel.comRay Ramones Hawaiian Dredging Construction Company 98-130 Kalike Place Aiea Hawaii 96701 United States 8087353249 rramones@hdcc.comLyman Ramsay Gulf Equipment Corp 5540 Business Parkway Theodore Alabama 36582 United States 251-653-5075 lymanr@gulfequipmnent.netTom Ramsey Aldridge Construction 844 east rockland road libertyville Illinois 60048 United States 8472765999 jramsey@aldridgeconstructioninc.comChris Ramsey AMEC 3800 Ezell Rd Ste 100 Nashville Tennessee 37211 United States 615-974-0797 chris.ramsey@amec.comReggie Randolph ICE 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 rrandolph@iceusa.comRon Raphoon Pipe & Tube Supplies 1917 Mykawa Rd. Pearland Texas 77581 United States 2814853133 rraphoon@ptsi-us.comLisa Rasband Malcolm Drilling Co., Inc. 8701 S. 192nd Street Kent Washington 98031 United States 253-395-3300 lrasband@malcolmdrilling.comAlan Rasband Malcolm Drilling 8701 S. 192nd Street Kent Washington 98031 United States 253-395-3300 arasband@malcolmdrilling.comMarcus Rasulo Texas A&M University 801 Spring Loop Apt 1705 College Station Texas 77840 United States 2088705761 marcusrasulo@gmail.com

Roy Rathner KLEMM Wintersohler Str. 5 Drolshagen 57489 Germany+49 8252 97-1634 r.rathner@klemm-mail.de

Frank Rausche GRL Engineers Inc. 30725 Aurora Road Cleveland Ohio 44139 United States 216-831-6131 Frausche@grlengineers.comRavee Raveendra CH2M HILL 10 Calabria Lane Foothill Ranch California 92610 United States 714-277-9562 ravee.raveendra@ch2m.comJerry Rawlinson DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 jrawlinson@drilltoolsinc.comFrancis Rawlinson DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.comCOLTON RAY CMG PO Box 80252 Billings Montana 59108 United States 4066551892 coltonr@cmgbillings.comBrett Rayburn Favor Steel & Fabricating 1110 Industrial Blvd Bessemer Alabama 35022 United States 205-426-3288 brayburn@favorsteel.comChas Raysik Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 craysik@ecanet.comChris Recke Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 Crecke@ecanet.com

Derek Redding Nicholson Construction 24 Commerce Street Suite 500 Newark New Jersey 07102 United States 973-383-8884 Richard.samuels@nicholsonconstruction.comKrishna Reddy University of Illinois at Chicago 3616 Kestral Dr Naperville Illinois 60564 United States 630-922-3609 kreddy@uic.eduMatt Redfern Hayward Baker 10303 Channel Rd Lakeside California 92040 United States 6199560850 Mlredfern@haywardbaker.com

David Redhead BSP International Foundations Gipping Road Ipswich England IP6 ONL United Kingdom 01473830431 Dredhead@BSPif.co.ukHannes Redman Betek Tools, Inc. 295 Clark Street Abingdon Virginia 24210 United States 2766763495 h.redman@betek-tools.comAlexander Reeb Virginia Tech 116 Patton Hall Virginia Tech Blacksburg Virginia 24060 United States 2673288803 reeba@vt.eduJassen Reed Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 jassen.reed@liebherr.comKarl Reed BAUER-Pileco Inc. 91 Greenville Road Livermore California 94551 United States 925-401-7084 KReed@bauerpileco.comJustin Reese PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-841-7452 jreese@pengoattachments.comDan REEVES Construction Drilling Equipment, Inc. PO Box 1886 Byron California 94505 United States 9259781670 dreeves@CDEdrill.comJosh Reeves Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tobias.haemmerle@liebherr.comWendella Reeves Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymanchine.com

Manaf Refai University of Texas at Arlington 1104 Skyline Dr Apt 532 Arlington Texas76011-4966 United States 2143855907 manaf.refai@mavs.uta.edu

Carlos Regalado Centra Ingeniería y Construcción Carrera 101A No. 11A-46 Cali Valle 000000 Colombia +57 2 3797019 cregalado@centraic.comDavid Regis Avantage Drilling 3535 Girard Blvd NE Albuquerque New Mexico 87107 United States 505-830-9179 francine@advantagedrilling.comAlan Regis Avantage Drilling 3535 Girard Blvd NE Albuquerque New Mexico 87107 United States 505-830-9179 francine@advantagedrilling.comChad Regis Avantage Drilling 3535 Girard Blvd NE Albuquerque New Mexico 87107 United States 505-830-9179 francine@advantagedrilling.comDow Reid Piedmont Plastics 13279 N. Promenade Blvd Stafford Texas 77477 United States 512-826-2394 dreid@piedmontplastics.comGordon Reid Graham Const 8404 McIntyre Rd Edmonton Alberta T6E6V3 Canada 780-231-7101 gordonr@graham.caLauren Reising University of Colorado 2119 Apt B Goss Circle West Boulder Colorado 80302 United States 949-633-6875 lauren.reising@colorado.eduMegan Remsen RENSSELAER POLYTECHNIC INSTITUTE 110 8th Street Troy New York 12180 United States 518-276-6941 remsem@rpi.eduBrian Renaghan Clark Foundations 24811 Mason Dale Terrace Chantilly Virginia 20152 United States 2024095119 Brian.Renaghan@clarkconstruction.comRobert Renaud Atlas Copco Canada 1025 Tristar Drive Mississauga Ontario L5T1W5 Canada 289-562-7620 robert.renaud@ca.atlascopco.comJessica Rennie Bay Shore Systems 67 Thompson Road Kingsholm 4208 Australia 0417870929 bjuett@civgroup.com.auSharon Rennie Trinity Logistics 1401 1st St NE Sartell Minnesota 56377 United States 320-293-3278 srennie@trinitylogisticsmn.comPorcellato Renzo Enteco SRL Via Dell Artigianato Fossalta Italy info@entecodrill.comGene Repa Interpipe Inc. 3320 Miles Road Mount Hope Ontario L0R1W0 Canada 905-679-6999 gene@interpipe.comDennis Reusser Finite Engineering 7311 W. 132nd St., #180 Overland Park Kansas 66213 United States 913-681-8282 dennis@fea3d.comEric Reuther Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 eric@illinidrilling.comEmerson Revolorio San Diego State University 5500 Campanile Drive San Diego California 92182 United States 3236839567 axelrevolorio@yahoo.com

Mark Rex Colcrete Eurodrill Tower Business Park Derby Road Derbyshire S45 9DX United Kingdom 07887 952580 mark.rex@colcrete-eurodrill.co.ukAnthony Reyes University of Missouri-Columbia W1025 Lafferre Hall Columbia Missouri 65201 United States 573-821-0672 ar3k5@mail.missouri.eduSomayeh Rezaei Tafti TEXAS A&M UNIVERSITY 400 Summer Court Unit B College Station Texas 77840 United States 9794463458 s.rezaeitafti@tamu.eduSepehr Rezaeimalek The University of Texas at San Antonio 15651 Chase Hill Blvd. No.1610 San Antonio Texas 78256 United States 5124121980 sepehr.rezaeimalek@utsa.eduJohannes Rhomberg Liebherr Werk Nenzing Dr. Hans Liebherr Str. 1 Nenzing 6710 Austria 713-636-4053 johannes.rhomberg@liebherr.comFred Rhyner Mueser Rutledge Consulting Engineers 225 W34th Street Apt 11C New York New York 10122 United States 9173399300 frhyner@gmail.comElmira Riahi University of Texas at Arlington 904 Greek Row dr Apt#218 Arlington Texas 76013 United States 8179082119 elmira.riahi@mavs.uta.eduRay Riale MAIT USA CORPORATION 19 Davidson Lane New Castle Delaware 19720 United States 2819137773 hefner@mait.itJohn Rice Utah State University CEE Department UMC 4110 Logan Utah 84322 United States 435-797-8611 john.rice@usu.eduDaniel Rich Rich Engineering 4155 Sablechase Drive Houston Texas 77014 United States 28143325385 danjrich@yahoo.comStephen Richards ETTL Engineers & Consultants Inc. 17977 Whispering Pines Flint Texas 75762 United States 903-595-4421 srichards@ettlinc.comThomas Richards Nicholson Construction Company 12 McClane St Cuddy Pennsylvania 15031 United States 42126772224 tom.richards@nicholsonconstruction.comAdam Richardson Midwest Drill Service, Inc. 7317 Woodmar Ave Hammond Indiana 46323 aqrhammond@aol.comAndy Richardson ESC Steel Inc 18 Augusta Pines Dr Suite 115W Spring Texas 77389 United States 281-205-7261 andy@escsteelinc.comTravis Richter Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comBrian Rickards PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 712-845-2540 brickards@pengoattachments.comDarren Riddle Foundation Constructors, Inc. PO Box 97 81 Big Break Road Oakley California 94561 United States 925-754-6633 dfallon@foundationpile.comMatthew Riegel HNTB 9 Entin Road Parsippany New Jersey 07438 United States 9736327541 mdriegel@hntb.com

Jeff Riggs Hydraulic Power Systems, Inc. 1203 Ozark North Kansas City Missouri 64116 United States 816-221-4774 jeff@4hpsi.comEric Risberg Case Foundation 1325 West Lake Street Chicago Illinois 60173 United States 630-924-3152 ejrisberg@casefoundation.comJohn Risley JPC Group, Inc. 228 Blackwood Barnsboro Rd. Blackwood New Jersey 08012 United States 856-232-0400 jeffp@jpcgroupinc.comJohn Risley JPC Group, Inc. 228 Blackwood Barnsboro Rd. Blackwood New Jersey 08012 United States 856-232-0400 johnr@jpcgroupinc.comCary Ritchey Kennametal 442 Chalybeate Rd Bedford Pennsylvania 15522 United States 8143803630 Cary.Ritchey@kennametal.comFNU RITIKA The University of Texas at Austin 923 EAST 41ST STREET Apt#102 Austin Texas 78751 United States 5129096293 ritika.sangroya@utexas.eduAntonella Rivara Anthony Rivara Contracting Woodside New York anthonyrivara@gmail.comAnthony Rivara Anthony Rivara Contracting Woodside New York anthonyrivara@gmail.comAnthony Rivara Sr. Anthony Rivara Contracting Woodside New York anthonyrivara@gmail.comPaul Rivard Eastrock 405 Sullivan Ave South Winsor Connecticut 06074 United States 1-860-289-0606 privard@eastrock.comAlfonso Rivera Virginia Tech 709 Appalachian Dr, Apt 1 Blacksburg Virginia 24060 United States 5402675254 ariverar@vt.eduLeo Rivera Decagon Devices 2365 NE Hopkins Court Pullman Washington 99163 United States 5093322756 leo@decagon.comCody Robb Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 cody@isherwood.toBernie Robert Keller Canada 2-53016 Hwy 60 Acheson Alberta T7X 5A7 Canada 780-960-6727 brobert@kellercanada.comHenry Robert ICE 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 hrobert@iceusa.com

Mike Roberts Pile Equipment, Inc. 1058 Roland AvenueGreen Cove Springs Florida 32043 United States 9048381988 mroberts@pile-eqp.net

Nick Roberts Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 nick@illinidrilling.comJulia Roberts The University of Texas at Austin 3025B Guadalupe Street Austin Texas 78705 United States 301-802-8337 jnroberts@utexas.eduRandy Robertson Casagrande USA 93 Stickles Pond Road Newton New Jersey 07860 United States 973-579-1906 r.robertson@casagrandegroup.com

Don Robertson Applied Foundation Testing 4035 J. Louis StGreen Cove Springs Florida 32043 United States 904-284-1337 drobertson@testpile.com

Chris Robertson Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertson@oscarordunoinc.comGreg Robertson Russo Corporation 333 Sansom Blvd. Saginaw Texas 76179 United States 8174-566-7370 grobertson@russocorp.com

Peter RobertsonUniversity of Alberta, Civil Engineering Department

University of Alberta, Civil Engineering Department Edmonton Alberta T6G 2G7 Canada peter.robertson@ualberta.ca

Gary Robin Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.comShannon Robin Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspeille@aol.comShawn Robinson ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 srobinson@iceusa.comMike Robinson McKinney Drilling Co. 1838 S Preston Hwy Shepherdsville Kentucky 40165 United States 502-955-8474 mrobinson@mckinneydrilling.comHelen Robinson Schnabel Engineering 1380 Wilmington Pike, Suite 100 West Chester Pennsylvania 19382 United States 6106565667 hrobinson@schnabel-eng.comGlenn Rodd Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 mwysockey@thatcherfoundations.comShane Roden Atlas Copco 3700 East 68th Ave Commerce City Colorado 80022 United States 303-253-6936 shane.roden@us.atlascopco.comOscar Rodriguez Texas A&M University 544 Skalak Rd New Ulm Texas 78950 United States 9792037601 aghorn_5@tamu.eduPaul Rodriguez Crux Subsurface, Inc. 4308 N Barker RD Spokane Valley Washington 99027 United States 509-8929409 paul_rodriguez@cruxsub.comFrank Rodriguez RODRILL MFG 11670 IH 10 East Post Office Box 489 Converse Texas 78109 United States 2106672130 frank@rodrill.comJose Rodriguez California State University, Los Angeles 1981 Estrella Ave Los Angeles California 90007 United States (213)265-4726 Jrodr323@calstatela.eduMatthew Rodriguez Texas A&M University 401 Joe Routt Boulevard College Station Texas 77843 United States 2104520910 mar5256@tamu.edu

Shelley Rodriguez Cal State Fullerton 6098 La Canada Cir. Buena Park California 90620 United States 7143958037 shelley.rodriguez.sr@gmail.comVictor Rodriguez AH Beck Foundation Company 5123 Blanco Road San Antonio Texas 78216 august@ahbeck.comEDGAR EDUARDO RODRIGUEZ INGENIERIA Y GEORIESGOS IGR SAS CARRERA 19A # 84-14 OF. 204 BOGOTA DC Colombia 5716916054 eerg@ingeoriesgos.com

EduardoRodriguez Arriaga Virginia Tech 703 Burrus Dr Blacksburg Virginia 24060 United States 4846027152 eduardo3@vt.edu

Adrian Rodriguez-Marek Virginia Tech Civil and Environmental Engineering 750 Drillfield Drive Blackbusrg Virginia 24060 United States 540 231 5778 adrianrm@vt.eduFrank Rodriguez, Jr. RODRILL Converse Texas United States 2106672130 frankjr@rodrill.comChristian Roemschied DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comBrian Rogers Consolidated Pipe and Supply 1205 Hilltop Parkway Birmingham Alabama 35244 United States 205-714-9200 brogers@consolidatedpipe.comScott Rogers JDH Contracting 1996 Winchester Rd Mt Sterling Kentucky 40353 United States 859-498-6100 srogers@jdhcontracting.comAlton Rogers Terracon Consultants, Inc. 6198 Imperial Loop College Station Texas 77845 United States 979-314-1729 Alton.Rogers@terracon.comJochen Rohr BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-691-3000 Jochen.Rohr@bauer.deMark Rohrbach Hayward Baker Inc. 11180 E Martial Way S Tukwial Washington 98168 United States 206-223-1732 MARohrbach@HaywardBaker.comCameron Rohrscheib Rohrscheib Sons Caissons, Inc. 56085 Grand River Ave New Hudson Michigan 48165 United States 2484372005 cameron@rscaissons.comKyle Rollins Brigham Young University 1428 N Timpanogos Dr Provo Utah 84604 United States 8014226334 rollinsk@byu.eduArno Romanowski THYSSENKRUPP Alsfeld Germany arno.romanowski@thyssenkrupp.comLarry Rome Eustis Engineering Services, LLC 3011 28th Street Metairi Louisiana 70002 United States 504-613-5817 lrome@eustiseng.comTom Ronnkvist Drill Pipe Inc. 550 South 3rd Street Winsted Minnesota 55395 United States 763-592-8670 tom@drillpipeinc.comJoe Roper Cyntech Helical Piles 235061 Wrangler Link SE Calgary Alberta T1X0K3 Canada 403-228-1767 jroper@cyntech.comErik Rorem GEOBRUGG 22 Centro Algodones Algodones New Mexico 87001 United States 505-690-7144 erik.rorem@geobrugg.comJames Rose Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 jrose@centerrock.comPete Rose Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 prose@ecanet.comXochi Rose Kauai Drilling & Shoring 4247 Kapaia Road Lihue Hawaii 96766 United States 8082126662 xochi@kauaiandshoring.com

Shaun Rosenberg Bulroc UK Ltd Turnoaks Business Park Burley Close ChesterfieldDerbyshire S40 2UB United Kingdom 01246 544700 shaunrosenberg@bulroc.com

Brent Rosenblad University of Missouri E2509 Lafferre Hall Columbia Missouri 65211 United States 5738843736 rosenbladb@missouri.eduCraig Rosengrants BLAZE EQUIPMENT 5500 Hafex Way Suite 1 Fort Worth Texas 76131 United States 8174390453 craig@blaze-equip.comCoty Rosengrants Blaze Equipment 5500 Hafex Way Suite 1 Fort Worth Texas 76131 United States 8174390453 clrkoda@aol.comFirouz Rosti LSU 4221 Burbank Dr No. 6 Baton Rouge Louisiana LA 70808 United States 2257337340 frosti1@lsu.eduMario Roussel Carandina America Inc. 4080 Belgreen Dr. Unit A Ottawa Ontario K1G 3N2 Canada 613-859-7403 mroussel@selix.caCraig Rowe HCM Contractors Inc 403-2484-884 craigr@hcmc.caMario Roy Petrifond Foundation 772 3e Avenue Montreal Quebec H1B4P3 Canada 1 514 648-6662 m.roy@petrifond.comAnthony Royan Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 Anthony@ecacanada.caMark Ruberti University of Massachusetts Amherst jwbq6c@mst.eduJohn Rubright Keller Foundations 7550 Teague Road Ste 300 Hanover Maryland 21076 United States 410-551-1938 jprubright@haywardbaker.comJulian Rueda Geo Services, Inc. 805 Amherst Court Suite 204 Naperville Illinois 60565 United States 6303059186 julianrueda@geoservicesinc.netTim Rueda Case Pacific Company 2121 Ardmore Road Paso Robles California 93446 United States 805-237-8851 accounting@casepacific.comDaniel Ruffing Geo-Solutions, Inc. 1250 Fifth Avenue New Kensington Pennsylvania 15068 United States 7243357273 druffing@geo-solutions.comMICHAEL RUNEY COX INDUSTRIES PO BOX 1124 ORANGEBURG South Carolina 29115 United States 803-614-1115 MRUNEY@COXWOOD.COM

Alex Runkowski Obermann GmbH Schlangenaecker 6 Brensbach Germany 64395 Germany +49 6161 93000 helga.kilian@obermann.comDarren Runyan Lally Pipe & Tube 8710 Miller Rd 2 Houston Texas 77346 United States 281-456-2000 dkrunyan@lallypipe.comJim Rupert OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comJacki Rupert OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comJosh Rupert OCI Div. - Global Drilling Suppliers, Inc. 370 INDUSTRIAL PARK ROAD BROOKVILLE Pennsylvania 15825 United States 8148495999 jacki@ocidiv.comCory Russell Arizona State University 1333 W 14th St. Tempe Arizona 85281 United States 760-504-8737 Cory.Russell@asu.eduJohn Russo New York concrete 708 sharrotts road Staten Island New York 10309 United States 718-967-3720 Jrusso@newyorkconcrete.comCassandra Rutherford University of Illinois at Urbana-Champaign 205 N. Mathews Ave Urbana Illinois 61802 United States 2173335206 cjr@illinois.eduCassandra Rutherford University of Illinois at Urbana-Champaign 205 N. Mathews Ave Urbana Illinois 61802 United States 2173335206 cjr@illinois.eduDon Ruwe Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 don@illinidrilling.comBassam Saad FortisBC Energy Inc 16705 Fraser Highway Surrey BC V4N 6K2 Canada 6047903077 bassam.saad@mail.mcgill.caDavid Sabella, Jr. QMF Steel 386 IH 30 Cambell Texas 75442 United States 800-881-071 steve@qmfsteel.comJeff Sager Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 mpohlman@jeffreymachine.comRajni Saggu Indian Institute of Technology Delhi Hauz Khas New Delhi 110016 India 01126591268 rajnirupal@gmail.comJason Sailor Mobile Drill Intl 3807 Madison Avenue Indianapolis Indiana 46227 United States 3177876371 jason.sailor@mobiledrill.netTakayaki Sakai Zefiro Corporation 3868 Carson St 325 Torrance California 90503 United States 310-316-5969 tsakai@zefiro.info

Masa Sakakibara Fudo Construction 951 Mariners Island Blvd Suite 300 San Mateo California 94404 United States 650-350-1120 masaru@fudo-const.com

Sean Salazar University of Arkansas UNIV OF ARKANSASOFF OF BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 4795752693 ssalazar@uark.edu

Jesus Salgado Hayward Baker Inc 661 Shahan Prairie rd Little Elm Texas 75068 United States 972-294-5000 jsalgado@craigoldeninc.com

Hulya Salihoglu University of Wisconsin-Madison1415 Engineering Drive 1217 Engineering Hall Madison Wisconsin 53705 United States 608 381 1498 salihoglu@wisc.edu

Osiel Salinas Hercules Construcciones Lago Huron 6729 Logo del Bosque Monterrey Mexico CP 64890 Mexico osielsalinas@gmail.comAla Salman Agra Foundations 7708 Wagner Road NW Edmonton Alberta T6E 5B2 Canada 780-468-3392 ala.salman@agra.com

Ala Salman AGRA Foundations Limited 416 Monument Place SE CalgaryAlberta, Canada T2A1X3 Canada 403-272-5531 ala.salman@agra.com

Hosam Salman Parsons Brinckerhoff 2777 N. Stemmons Freeway Suite 1600 Dallas Texas 75207 United States 214-583-3443 salman@pbworld.com

Samuli Salmela Lehti Group Oy Turkkirata 27-29 Pirkkala FI-33960 Finland+358(0)40 8073 873 ssalmela@tampereenkonepajat.com

Lynn Salvati McMillen Jacobs Associates 1109 29th Avenue S Seattle Washington 98144 United States 2065888150 salvati@mcmjac.comMedji Sama Exponent 2969 Kelton Avenue #104 Los Angeles California 90064 United States 3107542772 msama@exponent.comKen Sampsell Consolidated Pipe and Supply 1205 Hilltop Parkway Birmingham Alabama 35244 United States 205-714-9200 brogers@consolidatedpipe.comNeil Sampson Keller Canada Zone 3 Acheson Industrial Area 2 53016 Hwy 60 Acheson AB TX7 5A7 Canada 780-960-6732 nsampson@kellercanada.comDavid Samudio University of Arkansas 413 N. West Ave. Fayetteville 72701 United States 479-287-8798 dsamudio@uark.eduEric Sanborn Team Elmers 3600 Rennis School Rd Traverse City Michigan 49685 United States 231.943-3443 esanborn@teamelmers.comEric Sanborn TEAM ELMERS 3600 RENNIE SCHOOL ROAD FRONT DESK TRAVERSE CITY Michigan 49685 United States 2319433443 toni@teamelmers.comRaul Sanchez Oscar Orduno Inc 4500 Fuller Dr suite 205 Irving Texas 75038 United States 972-717-3070 crobertson@oscarordunoinc.com

EDGAR SANCHEZ ESTUDIOS Y CONTROL DEL NORESTE 011 52 8110940497 ESCOBEDO N,L. 66056 Mexico011 52 8110940497 ccne04@hotmail.com

Marcelo Sanchez Texas A&M University 3136 TAMU College Station msanchez@civil.tamu.edu

NadiaSanchez Velasquez RRC Companies Round Rock Texas OlgaVasquez@RRCcompanies.com

Paul Sandberg Liebherr-Canada Ltd. 1015 Sutton Drive Burlington Ontario L7L 5Z8 Canada +1-905-220-3845 paul.sandberg@liebherr.comKen Sandeno "D" Construction, Inc. 1488 So. Broadway Coal City Illinois 60416 United States 8156342555 j.gillan@dconstruction.comTor Sandeno "D" Construction, Inc. 1488 So. Broadway Coal City Illinois 60416 United States 8156342555 j.gillan@dconstruction.comTodd Sandeno "D" Construction, Inc. 1488 So. Broadway Coal City Illinois 60416 United States 8156342555 j.gillan@dconstruction.com

Aaron Sanders Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 aaron.sanders@txdot.gov

CARLOS SANROMAN NECS GROUP INC 40 CEDAR WALK UNIT 2106 LONG BEACH California 90802 United States 562-283-3591 csanroman@necsgroupinc.comMike Sans Crainte Bell Structrual Solutions 778 1st ST NW New Brighton Minnesota 55112 United States (651) 332-5854 mike@bellstructural.comJohn Santana Sterling Lumber Company 501 E. 151st Street Phoenix Illinois 60426 United States 7083882223 JohnSantana@sterlinglumber.comDan Santaniello Drillers' Choice, Inc. 75 Bourdon Terrace Easton Pennsylvania 18042 United States 484-522-6331 dans@drillerschoiceinc.comMike Santellan Corpac Steel Products, Corp. 1313 Woodstone Dr Modesto California 33180 United States 305-918-0540 michael.santellan@corpacsteel.comVal Santillian DRILLINGWORLD 1458 MARIANI COURT TRACY California 95376 United States 209-855-8300 sclark@drillingworld.comVincent Santonja New York Drilling Services, Inc. PO Box 918 3025 Route 32 Saugerties New York 12477 United States 845-246-9193 sbach@richerselectric.comLito Santos Magnum Piering 6082 Schumacher Park Drive Westchester Ohio 45069 United States 800-822-7437 lsantos@magnumpiering.comDuraisamy Saravanathiiban Geotech Engineering and Testing 800 Victoria Drive Houston Texas 77022 United States 7136994000 saravana3001@gmail.comJason Sargent mid america drilling 202 n main st oakland Iowa 51560 United States 800-432-0008 john@midamericadrilling.com

Hazem Sarhan Sogreah Gulf FZCODowntown Jebel Ali, JAFZA View 18,

Rm. 1601-1605 Dubai 18271United Arab Emirates 00971 4 8865690 Hazem.Sarhan@ae.arteliagroup.com

Koji Sasaoka Giken America Corporation 5770 Hoffner Ave. Suite 101 Orlando Florida 32822 United States 407-380-3232 ksasaoka@gikenamerica.comSathi Sathialingam Group Delta Consultants 32 Mauchly Suit B Irvine California 92618 United States 949-450-2100 nsathi@groupdelta.comRobert Saunders Dan Brown and Associates 7847 Scenic Oaks Road Knoxville Tennessee 37938 United States 865-377-3172 rsaunders@danbrownandassociates.comMarie Savage 8445 Freeport Pkwy Suite 325 Irving Texas 75063 United States 469-359-6000 tmcjwsavage@earthlink.netTy Savage 8445 Freeport Pkwy Suite 325 Irving Texas 75063 United States 469-359-6000 tmcjwsavage@earthlink.netMauro Scanga Deep Foundations Contractors 145 Ram Forest Rd. Stouffville Ontario L0H 1G0 Canada 905-750-5900 ms@deep.caZach Scarboro Geo Pier Foundations 130 Harbour Place Drive Suite 280 Davidson North Carolina 28036 United States 704-439-1790 zscarboro@geopier.comHaley Scarnato mary@waatools.comJeff Scearce Pipe & Tube Supplies 1917 Mykawa Rd. Pearland Texas 77581 United States 2814853133 jscearce@ptsi-us.comMatthew Scerbak Associated Pile & Fitting 45 Samworth Rd. Clifton New Jersey 07012 United States 9737738400 mscerbak@associatedpile.comRon Schad Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4050 ron.schad@liebherr.comPaul Schade Geotechnical Professionals Inc. (GPI) 5736 Corporate Avenue Cypress California 90630 United States 714-220-2211 pauls@gpi-ca.com

Vernon Schaefer Iowa State University 488 Town Engineering Building Ames Iowa50011-3232 United States 5152949540 vern@iastate.edu

Cory Schaffer US SIte Work 107 Green Meadow Street Foley Minnesota 55329 United States 320-293-9135 coryschaffer89@gmail.com

Cameron Schaffer US SIte Work210 15th Avenue North; Apartment 316 Waite Park Minnesota 56387 United States 320292879 camschaffer@live.com

Joe Schatz ChemGrout 805 East 31st Street Lagrange Park Illinois 60526 United States 708-354-7112 joe@chemgrout.comRebecca Scheez University of Colorado 1403 19th Street Boulder Colorado 80302 United States 605-645-4825 rebecca.scheez@colorado.eduDale Scheffler DJ Scheffler 2500 Pomona Blvd Pomona California 91768 United States 9095953945 dale@djscheffler.comDave Schell Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 dschell@ecanet.comSyen Scheltzke Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 jdittmeier@hammersteel.comSteve Scherer Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 steve.scherer@nicholsonconstruction.comSteve Scherer Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 steve.scherer@nicholsonconstruction.com

Andreas Schermaier Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States (412) 221-4500andreas.schermaier@nicholsonconstruction.com

Ken Scherzinger Scherzinger Drilling 9629 State Route 128 Harrison Ohio 45030 United States 5137382000 Ken@scherzingerdrilling.comStephen Scherzinger Scherzinger Drilling 9629 State Route 128 Harrison Ohio 45030 United States 5137382000 Stephen@scherzingerdrilling.com

Herman Schieving PVE Equipment 5011 Vernon Road Jacksonville Florida Florida FL 32209 United States 904-765-6686 herman@pveusa.comShawn Schiff Stronghold Construction 35 Grace Drive Powell Ohio 43065 United States 6147610550 Shawn@strongholdc.comRoger Schiffler Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 rschiffler@lfdcbham.comBoeob Schindler Geo-Solutions 1250 5th Ave New Kensington Pennsylvania 15068 United States 724-335-7273 bschindler@geo-solutions.comVanessa Schingle ADSC 8445 Freeport Pkwy Suite 325 Irving Texas 75063 United States 469-359-6000 ematthews@adsc-iafd.comJeff Schipani ESC Steel Inc 18 Augusta Pines Dr Suite 115W Spring Texas 77389 United States 281-205-7261 jeff@escsteelinc.comBrian Schlemm Aldridge Construction 10625 N County Rd Frisco Texas 75033 United States 847-321-8005 bschlemm@aldridgeconstructioninc.comBen Schlichter Liebherr Houston Texas bernd.schlichter@liebherr.comPaul Schmall Moretrench 100 Stickle Avenue Rockaway New Jersey 07866 United States 973-627-2100 pschmall@mtac.com

Scott Schmidt University of Illinois at Urbana-Champaign 3212 Newmark Civil Engineering Lab 205 N. Matthews Ave. Urbana Illinois 61801 United States 4692749412 schmid61@illinois.eduTROY SCHMIDT GEOPROBE SYSTEMS 1835 WALL ST SALINA Kansas 67401 United States 785-404-1160 chril@geoprobe.comWESLEY SCHMUTZLER TREVIICOS 38 THIRD AVENUE CHARLESTOWN Massachusetts 02129 United States 6172414800 wschmutzler@treviicos.comJohn Schnake John Reed & Co 9549 Katy Freeway Houston Texas 77024 United States 713-785-8917 pcerda@bauerpilco.comLaurie Schneider Givens International Drilling Supplies 8288 Pritchett Crooks Road Corydon Kentucky 42406 United States 2705336378 Laurie@givensinternational.comMarvin Schneider Caterpillar Inc 100 NE Adams Peoria Illinois 61603 United States 309-675-7577 Schneider_Marvin_P@cat.comKerry Schneider JEAN LUTZ NORTH AMERICA LLC 4370 Boardman-Canfield Road Canfield Ohio 44406 United States 330-702-1476 kerry@jeanlutzna.comKeith Schnupp Schnabel Foundation Company 45240 Business Ct Sterling Virginia 20166 United States 7037420020 keith@schnabel.comBob Schock Case Foundation Company 1325 W. Lake Street Roselle Illinois 60172 United States 630-924-3100 reschock@casefoundation.comDavid Schoen S&ME Inc. 620 Wando Park Blvd Mt. Pleasant South Carolina 29464 United States 8438840005 dschoen@smeinc.comAaron Schoen University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 6604733816 ajsqm2@mail.missouri.eduDennis Schoenmaker Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.com

Klaus Schor E.D.C. (European Drilling Center) Paskov cp. 274 Paskov 739 21 Czech Republic 420 555 559 870 edc@cmail.czDan Schrager L.B. Foster Company 7015 Tidwell Rd. Suite G 101/102 Houston Texas 77092 United States (281) 254-7017 dschrager@lbfoster.comGernot Schranz Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 gernot.schranz@liebherr.comMariela Schranz Leibherr 7075 Bennington St Houston TX 77028 United States 713-6064050 Gordana.Marquez@leibherr.comChris Schriner Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comJohn Schroeder Kalsi Seals 745 Park Two Drive Sugar Land Texas 77478 United States 281-240-6500 schroeder@kaisi.comSven Schroer HUESEKR P.O. Box 411529 Charlotte North Carolina NC 28241 United States 704-588-5500 marketing@hueskerinc.comLuke Schuler Hayes Drilling, Inc. 15525 South Mahaffie Olathe Kansas 66062 United States 9137689500 lschuler@hayesdrillinginc.comAnthony Sciortino New England Construction Products Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 ajsnecp@gmail.comDave Sciortino New England Construction Products Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 necpllc1@gmail.comRandall Scogins Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comChris Scott Kenney Construction, Inc. Santa Barbara California United States 805-884-1579 jordan@kenneyconstruction.comStephen Scott SAS Stressteele Fairfiled New Jersey stephen.scott@stressteel.comBill Scott Maine Drilling & Blasting 423 Brunswick Avenue Gardiner Maine 04345 United States 207-203-1626 bscott@mdandb.comMoreno Scotto Maccaferri Inc 10303 Governor Ln Blvd Williamsport Maryland 21795 United States 240-625-5674 glugli@maccaferri-usa.comTodd Scudamore Anora Foundations Pty Ltd PO Box 3282 Darra Brisbane 4076 Australia 0407307846 todd.scudamore@anora.com.auDana Scudder PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 561-400-9311 dscudder@pengoattachments.comJustin Seago CETCO 2870 Fobs Ave Hoffman Estates Illinois 60192 United States 85-851-1800 justin.seago@cetco.com

Sorin Secara University of Texas at Austin 2300 NUECES ST APT 309 AUSTIN Texas 78705 United States 5127869209 sorinsecara@utexas.eduDoug Secord Foremost 1225 64th avenue NE Calgary Alberta T2E8P9 Canada 403-295-5800 rebecca.robson@foremost.caLaurie Seebach DFI 326 Lafayette Avenue Hawthorne New Jersey 07506 United States 973-423-4030 lseebach@dfi.orgJeff Segar Braun Intertec 11001 Hampshire Ave Bloomington Minnesota 55318 United States 612-618-5633 jsegar@braunintertec.comJennifer Segraves Spiradrill 112 FM 153 Smithville Texas 78957 United States 512-237-4140 jennifer@spiradrill.netRyan Segraves Brennan Industries 525 Garden Oaks Blvd. Houston Texas 77018 United States 4698534036 rsegraves@brennaninc.comFranki Segura APE/J&M 8318 Misty Mountain Trail Ln. Spring Texas 77389 United States 786-991-6875 frankis@apevibro.comAllen Sehn Hayward Baker Inc. 7550 Teague Road Suite 300 Hanover Maryland 21076 United States 410-551-8200 alsehn@haywardbaker.comGary Seider Hubbell Power Systems, Inc. 210 North Allen Street Centralia Missouri 65240 United States 573-682-8273 glseider@hubbell.comGary Seider Hubbell Power Systems, Inc. 210 N Allen St Centralia Missouri 65240 United States 573-682-8273 glseider@hubbell.comThomas Seifert BAUER-PILECO tseifert@bauerpileco.comTodd Self Distinct Capital Group 11305 Four Points Drive Bldg. 1 Ste. 100 Austin Texas 78726 United States 5124027437 todd@distinctcapitalgroup.comChristopher Self J.P. Self & Associates, Inc. 9021 Sherwood Court Presto Pennsylvania 15142 United States 412-429-0968 jpself@verizon.netDimitrios Sellountos 30725 Aurora Rd. Cleveland Ohio 44139 United States 216-831-6131 ASellountou@pile.comE. Anna Sellountou PDI 30725 Aurora Rd. Cleveland Ohio 44139 United States 216-831-6131 asellountou@pile.comPartheeban Selvarajah North Dakota State University 2931 Ligon Street, Apt C18 Raleigh North Carolina 27607 United States 808-221-3776 partheeban.selvaraja@ndsu.eduKanchan Sen Bauer Foundation Corp 13203 Byrd Legg Drive Odessa Florida 33556 United States 727-531-2577 Ksen@bauerfoundations.comAsitha Senanayake The University of Texas at Austin 301 Dean Keeton St Mail Stop: C1792 Austin Texas 78712 United States 5122013284 asitha.senanayake@utexas.eduJosh Senk Michels Corporation 1400 Renaissance Dr., Suite 305 Park Ridge Illinois 60068 United States 847-827-8600 jsenk@michels.usHoyoung Seo Texas Tech University 911 Boston Ave Lubbock Texas 79409 United States 806-834-5690 hoyoung.seo@ttu.eduJoe Serigano Doosan Portable Power 1293 Glenway Drive Statesville North Carolina 28625 United States 7048833500 joe.serigano@doosan.comBilly Serpas Boh Bros. Construction 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 fuchs@bohbros.comJames Serpico Maser Consulting, P.A. 331 Newman Springs Road, Suite 203 Red Bank New Jersey 07701 United States 732-383-1950 jserpico@maserconsulting.comRand Settlage foundation equipment.com 21129 50th dr se bothell Washington 98021 United States 2063692999 randys@foundationequipment.comWeston Settlemier Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tobias.haemmerle@liebherr.comKurt Seufert ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 kseufert@iceusa.comBrenda Sexton DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 jim.sexton@dbmcontractors.comJim Sexton DBM Contractors, Inc. 1220 South 356th Street Federal Way Washington 98003 United States 253-838-1402 jim.sexton@dbmcontractors.comTom Shafer Jimco - Home of the John Henry Rock Drill PO Box 1589 Charleston West Virginia 25326 United States 615-746-4435 spencer.jimco@gmail.comEmily Shafer Jimco - Home of the John Henry Rock Drill PO Box 1589 Charleston West Virginia 25326 United States 615-746-4435 spencer.jimco@gmail.comJameson Shafer Jimco - Home of the John Henry Rock Drill PO Box 1589 Charleston West Virginia 25326 United States 615-746-4435 spencer.jimco@gmail.comAaron Shaffer Isherwood Associates 3-3100 Ridgeway Drive Mississauga Ontario L5L 5M5 Canada 905-820-3480 ashaffer@isherwood.toIman Shafii Southern Illinois University 28 Cherry Tree Lane Glen Carbon Illinois 62034 United States 3127097623 ishafii@siue.eduSazzad Shafique UTSA 1 UTSA Circle San Antonio Texas 78249 United States 210-885-8314 sshafique@utsa.eduChris Shagla Brink 2950 N Plaza Drive Rapid City South Dakota 57702 United States 605-342-6966 chris@brinkred.comLisheng Shao Hayward Baker, Inc 1780 Lemonwood Dr. Santa Paula California 93060 United States 8059331331 lshao@haywardbaker.comRose Shapiro ATS 8445 Freeport Pkwy Suite 325 Irving Texas 75063 United States 469-359-6000 ematthews@adsc-iafd.comDinesh Sharma Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 ds@avarconstruction.comKevin Sharp Sharp's Construction 3911 - 82nd Ave Leduc Canada T9E 8M3 Canada 780-446-7857 ksharp@sharpsconstruction.comElliese Shaughnessy Texas A&M University 950 Colgate Dr. Apt 234 College Station Texas 77840 United States 2142264798 elliese.shaughnessy@tamu.edu

Matthew ShawNational Commission for the Certification of Crane Operators 2750 Prosperity Ave Suite 505 Fairfax Virginia 22031 United States 7035602391 mshaw@nccco.org

Sydney Shaw Watler and Hislop Services 354 Millennium Place Grand Cayman George Town KY1-1003 Cayman Islands 345-949-4880 sshaw@equipmentservices.kyKay Shealy Pile Drivers, Inc. 4530 Hwy 162 Hollywood South Carolina 29449 United States 843-763-7736 piledrivers@bellsouth.netRyan Sheculski Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.comGene Sheedy Midwest Drilled Foundations 200 S. Prairie Ave. Waukesha Wisconsin 53186 United States (262)-436-0392 gsheedy@midwestdfe.com

Hany ShehataSoil-Structure Interaction Group in Egypt (SSIGE)

39 Zaharaa Nasr City, Behind the military court Nasr City Cairo 11511 Egypt +201110666775 hanyfarouk808@gmail.com

Kaustubh Shekhar Powell Contracting Ltd. 180 Ram Forest Road Gormley Ontario L0H 1G0 Canada matt@powellcontracting.on.caHeather Shelsta Federal Highway Administration 1310 North Courthouse Road Suite 300 Arlington Virginia 22201 United States 703-235-0987 Heather.Shelsta@dot.govJerry Shepherd Arias Geoprofessionals 142 Chula Vista San Antonio Texas 78232 United States 210-499-6810 jshepherd@ariasinc.comDon Sheresh Condon - Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 510-636-2100 mmadura@condon-johnson.comTyler Sherman CZM Foundation Equipment 145 E. Industrial Blvd. Pembroke Georgia 31321 United States 912-320-2699 tyler.sherman@czm-us.com

Haren ShettyVirginia Polytechnic Institute and State University 12300, Foxridge Lane, Apartment G Blacksburg 24060 United States 5409222718 haren14@vt.edu

Chris Shewmaker Illini Drilled Foundations, Inc. 14512 Perrysville Road Danville Illinois 61834 United States 217-442-8765 chris@illinidrilling.comJim Shewmaker Wells Fargo Equipment Finance P. O. Box 726 Helotes Texas 78023 United States 210-695-3319 james.b.shewmaker@wellsfargo.com

Reiko Shiba Giken America 5770 Hoffner Ave Suite 101 Orlando Florida 32822 United States 407-380-3232 shiba@giken.comAnna Shidlovskaya Texas A&M University 3136 TAMU, CE/TTI Room 808R College Station Texas 77843 United States 979-862-5659 shidanna@tamu.eduJungja Shimizu Southern Methodist University 3330 Country Square Dr. #1201 Carrollton Texas 75006 United States 469-877-4033 jshimizu@smu.eduToshifumi Shiomi Giken America Corporation 5770 Hoffner Ave. Suite 101 Orlando Florida 32822 United States 407-380-3232 shiomi@giken.comWes Shirah Consolidated Pipe and Supply 1205 Hilltop Parkway Birmingham Alabama 35244 United States 205-714-9200 brogers@consolidatedpipe.comDave Shirley BEKA-MAX Buffalo New York United States 7166853717 dshirley@beka-lube.comRyan Shirley Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 lionels@digga.comLe Short Mason Construction 6285 Walden Rd Beaumont Texas 77707 United States 09-55-4865 le@masonconstruction.netLance Shreffler McKinney Drilling Post Office Box 126408 Pittsburgh Pennsylvania 76126 United States 8179846527 dfrye@mckinneydrilling.comTatiana Shumskaya Hammer & Steel, Inc. 482 Houses Corner Road Suite #3 Sparta New Jersey 07871 United States 973-512-2940 jnewbold@hammersteele.comDave Shupe Drill Tech 2200 Wymore Way Antioch California 94509 United States 925-978-2060 dave@drilltechdrilling.comLuke Sidey Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 lukes@diggaeurope.comDamian Siebert Haley & Aldrich, Inc. 465 Medford Street Suite 2200 Boston Massachusetts 02478 United States 617-886-7399 dsiebert@haleyaldrich.com

Tristan SiegelState of Delaware - Department of Transportation 800 Bay Road Dover Delaware 19901 United States 302-760-2742 Tristan.Siegel@state.de.us

Timothy Siegel Dan Brown and Associates PC 1808 Northshore Hills Blvd Knoxville Tennessee 37922 United States 8656923987 tsiegel@danbrownandassociates.comBrian Sien AMERICAN SOCIETY OF CIVIL ENGINEERS 1801 Alexander Bell Drive Reston Virginia 20191 United States 8005482723 bsien@asce.orgKen Sifford MKT Manufacturing Inc 1198 Pershall Rd St. Louis Missouri 63137 United States 314-388-2254 ksifford@mktpileman.comMarco Signani Carandina America Inc. 4080 Belgreen Dr. Unit A Ottawa Ontario K1G 3N2 Canada 613-859-7403 carandina@carandina.comClayton Signor TX Pile 18422 Hamilton Pool Road Austin Texas 78738 United States 512-264-8300 Clayton@txpile.comLee "Rusty" Signor TX Pile 18422 Hamilton Pool Road Austin Texas 78738 United States 512-264-8300 rusty@txpile.comJAIME SILVA SES STRESSTEEL ENGINEERING SERVICES 155 PASSAIC AVE SUITE 470 FAIRFIELD New Jersey 07004 United States 973-227-4875 JAIME.SILVA@STRESSTEEL.COMMatt Silveston Terracon Consultants, Inc 1450 Fifth St W North Charleston South Carolina 29405 United States 843-884-1234 MLSilveston@terracon.comMichael SIMAC EARTH Improvement Technologies P O Box 1346 Fort Mill South Carolina 29716 United States 803-548-8690 Mike@EarthImprovement.comFrancois Simand LIM Technology 3495 Piedmont Rd NE ATLANTA Georgia 30305 United States 4046615299 francois.simand@lim.euElias Simmonds Trident Construction Ltd 21 Dundee Ave Mount Pearl NL A1N 4r6 Canada 7093687331 danspracklin@tridentconstruction.caTyson Simmonds Trident Construction Ltd 21 Dundee Ave Mount Pearl NL A1N 4r6 Canada 7093687331 tysonsimmonds@tridentconstruction.caGreg Simmons Menard USA 3540 Crain Hwy, #270 Bowie Maryland 20716 United States 3013181719 gsimmons@menardusa.comKelly Simon Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 ksimon@ecanet.comScot Simon Atlas Copco Mining & Rock Excavation 7366 Lone Lane Coopersburg Pennsylvania 18036 United States 6104284977 scot.simon@us.atlascopco.comLyle Simonton Subsurface Constructors 101 Angelica St. St. Louis Missouri 63147 United States 3144212460 lsimonton@subsurfaceconstructors.comBob Simpson Loadtest USA 2631 NW 41st Street Gainesville Florida 32606 United States 352 378 3717 bob@loadtest.comLori Simpson Langan Treadwell Rollo 501 14th Street, 3rd Floor Oakland California 94612 United States 510-874-7031 lsimpson@langan.comRussell Sims HARTFIEL Plano Texas russell.sims@hartfiel.comJohn Sims Lee & SIms Drilling Services, Inc. 10659 Augusta Road Belton South Carolina 29627 United States 864-243-2682 john@leeandsims.comDon Sims Lee & SIms Drilling Services, Inc. 10659 Augusta Road Belton South Carolina 29627 United States 864-243-2682 dsims@leeandsims.comVic Sinclair John Lawrie Tubulars 15555 Miller Road 1 Houston Texas 77049 United States 2814567100 Vic@jl-mail.comMANN SINGH INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 MSINGH@IDEDRILLS.COMJon Sinnreich Loadtest USA 2631 NW 41st Street Gainesville Florida 32606 United States 352 378 3717 jon@loadtest.comJohn Sirek Bolander 251 Starkey St St Paul Minnesota 55105 United States 651-224-6299 jsirek@bolander.comJoe Sirvinskis Stalworth Underground LLC 5515 North East River Road Chicago Illinois 60656 United States 312-898-9680 joe@s-ug.netRichard Sisson Barr Engineering 498 E and. 132nd Way Thornton Colorado 80241 United States 952-832-2655 rcs@barr.com

Kathiravetpillai Sivathasan Converse Consultants 222 E. Huntington Drive, Suite 211 Monrovia California 92879 United States 6269301275 asivathasan@gmail.comMark Skalny mark@markskalny.comCharles Skouby Drilling Service Co. 13230 Ferguson Lane Bridgeton Missouri 63044 United States 3142911111 caskouby@drillingserviceco.com

Matthew Sleep Oregon Tech 3201 Campus Drive Klamath Falls OregonKlamath County 97601 United States 5418851976 matthew.sleep@oit.edu

Oscar Smaniotto Bencor Construction 2315 Southwell Rd Dallas Texas 75229 United States 972-632-1687 pjanes@bencorconstruction.comBrent Smith Con-Tech Systems 1832 University Commercial Place Charlotte South Carolina 28213 United States 704-494-3989 brent@contechsystems.comAndrew Smith Texas Shafts, Inc. PO Box 79218 Fort Worth 76179 United States 817-439-2000 asmith@texashafts.com

Howard Smith McKinney Drilling Company, LLC 273 Lakeview Drive Suite 101 Woodstock VirginiaShenandoah 22664 United States 5404597180 hcsmith@mckinneydrilling.com

Blake Smith US SIte Work 11040 183 circle NW Suite B Elk River Minnesota 55330 United States 763-280-8508 Blake@ussitework.comRyan Smith G.A. & F.C. Wagman, Inc. 604 Jack Enders Boulevard Berryville Virginia 22611 United States 540-955-4034 rrsmith@wagman.comKyle Smith Scott Powerline P O Box 4008 Monroe Louisiana 71211 United States 318-388-9207 ksnell@scottpowerline.comSean Smith Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 ss@avarconstruction.comBlake Smith US SIte Work 11040 183 circle NW Suite B Elk River Minnesota 55330 United States 763-280-8508 blake@ussitework.com

Peter Smith Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-792 dzanchetta@berminghammer.comAlbert Smith Midwest Caissons Inc 607 - 53016 Hwy 60 Acheson Alberta T7X 5A7 Canada (780) 960-8330 xplornet.rose@gmail.comClarence Smith OHL Texas 4020 South Industrial Drive Suite 160 Austin Texas 78744 United States 5122289281 csmith@ohlusa.com

Elizabeth (Liz)Smith, PE, GE, D.GE Terracon Consultants, Inc. 5307 Industrial Oaks Blvd. Suite 160 Austin Texas 78735 United States 512-628-8613 emsmith@terracon.com

Mike Smitko Atlas Copco 1025 Tristar Drive Mississauga L5T 1W5 Canada 647-223-6217 mike.smitko@ca.atlascopco.comAlex Smoot PileBuck Magazine 15158 La Maida St Sherman Oaks California 91403 United States 310-291-1248 alex.smoot@gmail.comMolly Snayd Service Steel Warehouse 5 Dogwood Ct Bernardsville New Jersey 07924 United States 7132109323 gmcshane@servicesteel.orgAndrew Sneddon Graham 8404 McIntyre Road Edmonton Alberta T6E6V3 Canada 587 337 3788 ANDREWSN@GRAHAM.CALarson Snyder University of Texas at Austin 1350 N LBJ Dr. San Marcos 78666 United States 8305347270 lar.snyder15@gmail.com

Steve Snyder Hammer & Steel, Inc. 4469 County Road, 209 SouthGreen Cove Springs Florida 32043 United States 904-284-6800 ssnyder@hammersteel.com

Evan Sockaci Brayman Construction 1000 John Roebling Way Saxonburg Pennsylvania 16056 United States 724-443-1533 k_geyer@brayman.comNathan Sockanathan FERC 19 West 34th Street Suite 400 New York New York 10001 United States 212-273-5905 Nathan.Sockanathan@ferc.govMansour Solaimanian Penn State University 201 Transportation Research Building University Park Pennsylvania 16802 United States 8148631903 msol@psu.eduTiffany Solis MARY@waatools.com

Hoda Soltani University of Oklahoma 202 W. Boyd StCarson Engineering Center Norman Oklahoma

73019-1024 United States 4056947421 soltani@ou.edu

Elmar Sommerhoff drilling services int kninicky 801 brno63500 brno Czech Republic 0049 2761 66396 elmar.sommerhoff@web.de

Ki-Yong Song EXT SeoulSouth Korea 07632 South Korea 201-568-1951 choi@terradol.com

Mike Songer Hydro-Ram 206 Cummings Road Broussard Louisiana 70518 United States +1 337 837 9224 s.oskam@ihcmerwede.comScott Sontag JDH Contracting 8109 Network Drive Plainfield Indiana 46168 United States 317-839-0520 ssontag@jdhcontracting.comRichard Soppe Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 rsoppe@centerrock.comRenz Bryan Soriano Cal Poly Pomona GeoWall 1617 Mohawk St. Los Angeles California 90026 United States 2132193516 rsoriano@csupomona.edu

Sandy Sorrel Icanda Corporation (member of M.S.E. Group) 3131 boulevard de la Concorde suite 306 Laval Quebec H7E 4W4 Canada +1 460 661 2972 pfournier@icanda.comAlfonso Soto Terracon 1506 Mid Cities Drive Pharr Texas 78577 United States 956-283-8254 aasoto@terracon.comMatthew South Auger Services, Inc. Gonzales Louisiana United States bbeck@augerservices.comSean Spatz ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 sspatz@iceusa.comPete Speier Williams Form Engineering Corp. 251 Rooney Rd. Golden Colorado 80401 United States 3032169300 pspier@williamsform.comBruce Spencer Corpac Steel Products, Corp. 20803 Biscayne Blvd., Ste 502 Aventura Florida 33180 United States 305-918-0540 bspencer@corpacsteel.comEd Spille Century Concrete Partners, Inc. 601 21st Street Suite 300 Vero Beach Florida 32960 United States edspille@aol.comLucian Spiteri Moretrench 100 Stickle Avenue Rockaway New Jersey 07866 United States 973-627-2100 lspiteri@mtac.comDoris Spohr THYSSENKRUPP Alsfeld Germany doris.spohr@thyssenkrupp.comDan Spracklin Trident Construction Ltd 21 Dundee Ave Mount Pearl NL A1N 4r6 Canada 7093687331 danspracklin@tridentconstruction.caGray Spratling J.D. Fields & Co, Inc. 55 Waugh Dr. Ste. 1250 Houston Texas 77007 United States 713-505-8399 gspratling@jdfields.comTodd Springer Menard 275 Millers Run Rd Bridgeville Pennsylvania 15017 United States 412-257-2750 jborella@meardusa.comMatt Springer 4001 Enterprise Kilgore Texas mspringer@drilltools.comTrey St John Boh Bros Construction 301 Warehouse Drive Matthews North Carolina 28104 United States 704-821-8200 fuchs@bohbros.comKRIS ST.ONGE NUMA 646 THOMPSON RD THOMPSON Connecticut 06277 United States 860-923-9551 kris.st.onge@numahammers.comAllen Stanton Schnabel Foundation Company 2000 Granada Ct Weidman Michigan 48893 United States 847-274-7907 stantona@schnabel.comKevin Stanton University of Nevada reno 1611 N Virginia St. #62 Reno Nevada 89503 United States 4088397270 kevinstanton@nevada.unr.eduMatt Stanwood Construction Drilling Equipment, Inc. PO Box 1886 Byron California 94505 United States 9259781670 mstanwood@CDEdrill.comJohn Stapleton Cal State Fullerton 2919 Hemlock Place Fullerton California 92835 United States (714) 271-5446 jstapleton25@csu.fullerton.eduJohn Starcevich 600535337 8701 S. 192nd Street Kent Washington 98031 United States 2533953300 jstarcevich@malcolmdrilling.com

Timothy Stark University of Illinois at Urbana-ChampaignDept. of Civil Engineering 205 N. Mathews Ave. Urbana Illinois 61801 United States 217-333-7394 tstark@illinois.edu

Billy Starke Deep Foundations Contractors Inc. 145 Ram Forest Road Stouffville Ontario L0C 1A0 Canada (905) 750-5900 starke@sympatico.caAnne Starke Deep Foundations Contractors Inc. 145 Ram Forest Road Stouffville Ontario L0C 1A0 Canada (905) 750-5900 starke@sympatico.caBill Starke Deep Foundations Contractors Inc. 145 Ram Forest Road Stouffville Ontario L0C 1A0 Canada (905) 750-5900 bstarke@deep.caKirk Stecik Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 Kirk.Stecik@nicholsonconstruction.comBo Steding DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.comIrma Steding DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.com

Andy Steele Steele Foundation, LLC 3299 K Street NW #601 WashingtonDistrict of Columbia 20007 United States 2023421194 andy@steelefoundationllc.com

Melissa Steele Pacific Coast Drilling Company 364 Bellevue Ave Santa Rosa California 95407 United States 7077788316 Melissa@pcdc.us

Jamie Steele Fraser River Pile & Dredge (GP) Inc. 211, 1591 Booth Avenue CoquitlamBritish Columbia V3K 1B7 Canada (604) 522-7971 msemeniuk@frpd.com

Jason Steen Equipment Corporation of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 jsteen@ecanet.comShawn Steiner ConeTec PO Box 22082 Salt Lake City Utah 84122 United States 801-973-3801 saltlakecity@conetec.comJacob Steinman A Equipment Inc. Brooklyn New York 11205 United States ari@sconnyc.comAri Steinman S Construction NYC 30 Dahlia St Staten Island New York 10312 United States 917-846-8350 ari@sconyc.comAri Steinman A Equipment Inc. Brooklyn New York 11205 United States ari@sconnyc.comDave Stephen Digga North America 2325 Industrial Parkway SW Dyersville Iowa 52040 United States 5638757915 daves@digga.comALAN STEPHENS Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States (205) 841-8600 ASTEPHENS@JEFFREYMACHINE.COMNate Stephens Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 nstephens@bayshoresystems.comHardin Stephens Northwest Pipe Company 12005 N. Burgard Portland Oregon 97203 United States 5032851400 hstephens@nwpipe.comLee Stephenson TruTorque 465 Martin Road Dripping Springs Texas 78620 United States 512-748-0678 lee@trutorque.comCory Stetler Farrell Design Build 3025 Venture Road Placerville California 95667 United States 5306214867 corys@farrellinc.comGreg Stevens Dimension Fabricators 2000 7th Street Scotia New York 12302 United States 5188571196 gstevens@dimensionfab.comBonnie Stevens 2818 Volterra Way Keller Texas 76248 United States 817-788-5279 robert.stevens@arcadis-us.comBob Stevens ASCE President 2818 Volterra Way Keller Texas 76248 United States 817-788-5279 robert.stevens@arcadis-us.comMallory Stevenson Daniel Steel Industries, Inc. 4640 N. Beltline Road Sunnyvale Texas 75182 United States 9722267656 norrick@danielseelind.comEric Steward University of South Alabama 150 Jaguar Drive Room 3111 Mobile Alabama 36688 United States 318-235-9060 esteward@southalabama.eduDon Steward Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comGreg Stieben Terracon Consultants Inc. 6911 Blanco Rd San Antonio Texas 78216 United States 210-714-2143 gpstieben@terracon.comRuby Stilson Most Wanted Drilling Inc. Farmington Utah pstilson@aol.comPhil Stilson Most Wanted Drilling Inc. Farmington Utah pstilson@aol.comMarisa Stockdale Star Iron Works, Inc, 257 Caroline Street Punxsutawney Pennsylvania 15767 United States 814-427-2555 frank.stockdale@starironworks.comFrank Stockdale Star Iron Works,Inc. 257Caroline Street Punxsutawney Pennsylvania 15767 United States 8144272555 frank.stockdale@starironworks.comAndrew Stolte University of Texas at Austin 4505 Duval St. Apt. #133 Austin Texas 78751 United States 702-300-0407 a.c.stolte@gmail.com

Jason Stolworthy Nicholson Construction 850 N 550 W North Salt Lake Utah 84054 United States 801-296-5899jason.stolworthy@nicholsonconstruction.com

Gordon StoneVirginia Polytechnic Institute and State University 4713 10th Avenue S. Minneapolis Minnesota 55407 United States 9523806678 gordonstone4@gmail.com

Trip Story Drillers' Choice, Inc. 1849 Candy Lane Suite B Marietta Georgia 30008 United States 7704207051 trips@drillerschoiceinc.comBob Stout Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comRowland Stow Condon-Johnson & Associates 9012 S 208th St Kent Washington 98058 United States 425-988-2150 rstow@condon-johnson.comLes Stratman Pro-Dig 1604 Roseport Road Elwood Kansas 66024 United States 7858562661 les@pro-dig-usa.comBilly Strauss Farrell Design Build 3025 Venture Road Placerville California 95667 United States 5306214867 bills@farrellinc.comBen Streber Bauer 100 N FM 3083 E Conroe Texas 77303 United States 936-539-5030 gerald.huber@bauer.de

Balin Strickler Crux Engineering Group 4308 N Barker RD Spokane Valley Washington99027-9600 United States 509-892-9409 bstrickler@cruxeg.com

Dave Stroh Center Rock Inc. 118 Schrock Drive Berlin Pennsylvania 15530 United States 814-267-7100 dstroh@centerrock.comTodd Strohm Lane Enterprises 1244 Claremont Road Carlisle Pennsylvania 17015 United States 7172498342 tsrohm@lane-enterprises.com

Bruce StrongPAR Electrical Contractors, Inc. d/b/a Longfellow Drilling 1209 County Hwy J23 Clearfield Iowa 50840 United States 641-336-2297 bstrong@ldidrilling.com

Tom Strum JD Fields 2 Main Street, Suite 2B Plymouth Maryland 02360 United States 5085917103 tms@jdfields.comKenneth Struzyk AccuTech Consultants LLC 909 NE Loop 410 Suite 900 San Antonio Texas 78209 United States 2109305355 admin1@accutechusa.netTim Stubbs Hammer & Steel, Inc. 482 Houses Corner Road Sparta New Jersey 07871 United States 973-512-2940 tstubbs@hammersteel.comArmin Stuedlein Oregon State University 101 Kearney Hall Corvallis Oregon 97331 United States 541-737-3111 armin.stuedlein@oregonstate.eduMATTHEW STUMP INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 MSTUMP@IDEDRILLS.COMMarci Sturges PennDrill Manufacturing 281 Route 30 Imperial Pennsylvania 15126 United States 724-695-2400 csturges@penndrill.comCaleb Sturges PennDrill Manufacturing 281 Route 30 Imperial Pennsylvania 15126 United States 724-695-2400 csturges@penndrill.comJAIME SUAREZ DIAZ GEOTECNOLOGIA Calle 41 28-33 BUCARAMANGA NONE Colombia +5776341255 jaimesuarezdiaz@gmail.comEduardo Suescun-Florez New York University 6 Metrotech Center RH 405A Brooklyn New York 11201 United States 7182603967 suescun@nyu.eduChuanyi Sui Oklahoma State University University Place N13, APT 3 Stillwater Oklahoma 74075 United States 4056121183 whiteleonid@gmail.comMuhannad Suleiman Lehigh University 1 W. Packer Ave. Bethlehem Pennsylvania 18015 United States 6107582592 mts210@Lehigh.eduBill Sulesky Winter Equipment 1900 Joseph Lloyd Pkwy Willaby Ohio 44094 United States 800-294-6837 bsulesky@winterequipment.comBrad Sullivan ICE 301 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 bsullivan@iceusa.comGreg Sullivan Subsurface Construction Company 1107 Fuller Street Raleigh North Carolina 27603 United States 919-881-9469 greg@subsurfaceconstruction.comElizabeth Sullivan Virginia Tech 305 Wall St Blacksburg Virginia 24060 United States 7039560761 ems1991@vt.edu

Xiaohui Sun University of Kansas 4700 W 27 ST, APt FF1 Lawrence Kansas 66047 United States 7859791734 xiaohui@ku.eduAndy Sunell Rev Drill 4605 Wedgewood Blvd Frederick Maryland 21703 United States 3016626552 Andrew.Sunell@RevDrill.comMelis Sutman Virginia Tech 409 Hunt Club Rd Apt 36B Blacksburg Virginia 24060 United States (540) 818-6965 melis1@vt.eduVan Sutphen Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 mwysockey@thatcherfoundations.comBill Sutter Barnard Construction PO Box 309 Brentwood California 94514 United States 925-240-0062 bill.sutter@barnard-inc.comPaul Suver APE Drilling 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 pauls@apevibro.com

Bryan Sweeney Haley & Aldrich 465 Medford St Suite 2200 Boston Massachusetts02129-1400 United States 617.886.7364 bsweeney@haleyaldrich.com

Darin Sweeney Rev Drill 4605 Wedgewood Blvd Frederick Maryland 21703 United States 3016626552 Darin.sweeney@revdrill.comDavid Sweetin BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7692 DSweetin@bauerpileco.comAndrew Swindell Creative Pultrusions, Inc. 214 Industrial Lane Alum Bank Pennsylvania 15521 United States 814-839-4186 aswindell@pultrude.comAaron Sykes Pacific Coast Drilling Company 364 Bellevue Ave Santa Rosa California 95407 United States 7077788316 Aaron@pcdc.us

Michael Szymassek Obermann GmbH Schlangenaecker 6 Brensbach Germany 64395 Germany +49 6161 93000 michael.szymassek@obermann.comTom Szynakiewicz Hayward Baker 11575 Wadsworth Blvd. Broomfield Colorado 80020 United States 303-469-1136 tms@haywardbaker.comWassim Tabet The University of Oklahoma 2053 West Lindsey Street Apt G Norman Oklahoma 73069 United States 4053255625 wassim@ou.edu

Amirata (Ata) Taghavi University of Oklahoma 202 W. Boyd St. Room 334 Norman Oklahoma 73019 United States 4057952965 ata@ou.eduRonnie Taitt SOLLAMI Herrin Illinois 8009921521 taitt@sollami.comAtsushi Takai University of California, San Diego 9500 Gilman Drive La Jolla California 92093 United States 858-534-9630 takai.atsushi.2s@kyoto-u.ac.jpTakefumi Takuma Giken America Corporation 5770 Hoffner Ave. Suite 101 Orlando Florida 32822 United States 407-380-3232 ttakuma@gikenamerica.comMajid Talebi University of Delaware 301 Dupont Hall Civil Eng. Dept. Newark Delaware 19716 United States 3028318053 mtalebi@udel.eduJoshua Talladay Drilling Mud Direct 66 N Timbertop Drive The Woodlands Texas 77380 United States 570-423-5733 jtalladay@muddirect.netGilbert Tallard Liquid Earth Support, Inc. 1556 Forest Villa Lane Mclean Virginia 22101 United States 434 989 2182 gtallard@liquidearthsupport.comGary Talley Hammer & Steel, Inc. 11916 Missouri Bottom Road Hazelwood Missouri 63042 United States 314-895-4600 gtalley@hammersteel.comSandip Tamrakar University of Texas at Arlington 1413 Randall Crossing Lane Fort Worth Texas 76120 United States 469-767-7304 sandip.tamrakar@mavs.uta.eduChia Tan GEI Consultants, Inc 400 N. Lakeview Parkway, Suite 140 Vernon Hills Illinois 60061 United States 847-984-3972 ctan@geiconsultants.comYumeng Tao University of Texas at Austin 2505 Longview St. Apt 524 Austin Texas 78705 United States 5129936768 yumeng.tao@utexas.edu

Junliang Tao University of Akron

Auburn Science and Engineering Center Room 427C, Department of Civil Engineering, The University of Akron Akron Ohio 44321 United States 3309725932 jtao2@uakron.edu

Kassim Tarhini United States Coast Guard Academy Civil Engineering 27 Mohegan Ave New London Connecticut 06320 United States 860-701-6562 kassim.m.tarhini@uscga.edu

Ted Tarsa 3M 3M Austin Center, Bldg 130-4N-5E 6801 River Place Blvd Austin Texas 78726 United States 512-984-3011 ttarsa1@mmm.comDaraius Tata Hammer & Steel, Inc. P. O. Box 1096 Benicia California 94510 United States 707-746-7820 dtata@hammersteel.comClint Tate All-Pro Fasteners, Inc. 1916 Peyco Drive North Arlington Texas 76001 United States 800-361-6627 ctate@apf.comDawn Tattle Anchor Shoring & Caissons 345 Kennedy Rd. Toronto Ontario M1V 4Y3 Canada 416-292-1401 dtattle@anchorshoring.comMartin Taube Menard USA 150 East Main St. Carnegie Pennsylvania 15106 United States (412) 620-6000 mtaube@menardusa.comCorey Taylor mid america drilling 202 n main st oakland Iowa 51560 United States 800-432-0008 john@midamericadrilling.comSam Taylor Trine University One University Avenue Angola Indiana 46703 United States 2603498723 swtaylor11@my.trine.eduThomas Taylor Big R Bridge 650 Justice Lane Mansfield Texas 76063 United States 8172230969 ttaylor@bigrbridge.comReece Taylor Braun Intertec Corporation 11001 Hampshire Avenue South Bloomington Minnesota 55438 United States 952-995-2255 rtaylor@braunintertec.comJohn Taylor LRE Ground Services 1115 S Main St Brooksville Florida 34601 United States 352-279-0289 John.Taylor@lregsi.comAaron Taylor Farrell Design Build 3025 Venture Road Placerville California 95667 United States 5306214867 aaron@farrellinc.comGary Taylor Hayward Baker Inc. 1780 E. Lemonwood Drive Santa Paula California 93060 United States 8059331331 GETaylor@haywardbaker.comDavid Teague University of Texas at Austin 4505 Duval St., Apt 145 AUSTIN Texas 78751 United States 3399277361 dptea422@gmail.comJACOB TEMPLES INTERNATIONAL DRILLING EQUIPMENT 645 ANGUS ST. RURAL HALL North Carolina 27045 United States 8772076062 JTEMPLE@IDEDRILLS.COMScott Teppen National Piling Products Inc. 8298 North Long Lake Road Traverse City Michigan 49686 United States +1 855 8017453 steppen@nppius.comMario A. Terceros INCOTEC SRL 5º ANILLO ESQ. RADIAL 27 PO BOX 868 SANTA CRUZ S.C. 3 Bolivia +591 3 3429522 math@incotec.ccLonnie Terry Anderson Drilling 3600 east 46th Ave Denver Colorado 80216 United States 3033216680 lterry@andersondrilling.comAndy Tewell SEABOARD FOUNDATIONS Post Office Box 126408 Benbrook Texas 76126 United States 8179846527 dfrye@mckinneydrilling.comMark Thiem Bodart Electric Service, Inc. De Pere Wisconsin thiem0002@gmail.com

PugazhvelThirthar Palanivelu Arizona State University 1216 E Vista Del Cerro Drive Apt #1118 Tempe, AZ Arizona 85281 United States 7033436313 pthirtha@asu.edu

Rob Thode SoilVision Systems 202- 640 Broadway Ave Saskatoon SK S7N 1A9 Canada 306-477-3324 rob@soilvision.comCathy Thomas Dees-Hennessey, Inc. 200 Industrial Road Suite 190 San Carlos 94070 United States 650-595-8933 cathy2at@yahoo.comRANDY THOMAS TWG CANADA 19350 - 22ND AVENUE SURREY BC V3Z 3S6 Canada 604-547-2126 rthomas@team-twg.comTIm Thomas Bit Brokers International 5568 Logan Rd. West Frankfort Illinois 62896 United States 6184355811 tim@bitbrokers.com

Aaron Thomas Case Foundation Company 4050 E. Cotton Center Blvd. Suite 10 Phoenix Arizona 85016 United States (602) 454-0988 arthomas@casefoundation.comZachary Thomas Longfellow Drilling 1209 County Highway J23 Clearfield Iowa 50840 United States 6413362297 zthomas@ldidrilling.comTina Thomas UTC Overseas 9907 Tolman Street Houston Texas 77034 United States 713-598-3009 tina.thomas5991@yahoo.comChester Thomas Bit Brokers International 5568 Logan Rd. West Frankfort Illinois 62896 United States 6184355811 chester@bitbrokers.comRon Thomas Dees-Hennessey, Inc. 200 Industrial Road Suite 190 San Carlos 94070 United States 650-595-8933 rthomas@dees-hennessey.comDan Thome Nicholson Construction Company 4124 Douglas Ave. Kalamazoo Michigan 49004 United States (269) 353-8421 dan.thome@nicholsonconstruction.comTony Thompson Long Foundation Drilling Company 3014 Brandau Road Hermitage Tennessee 37122 United States 615-885-5664 tthompson@lfdc.comRobert Thompson Dan Brown and Associates, PC 2400 Old Creek Road Montgomery Alabama 36117 United States 334-239-3135 rthompson@danbrownandassociates.comSanford Thompson Foundation Technologies Inc PO Box 491718 Lawrenceville Georgia 30049 United States 6784074640 sanford@foundationtechnologies.comLiz Thompson DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 bsteding@drilltoolsinc.comChris Thompson DRILLTOOLS 4001 Enterprise Street Kilgore Texas 75662 United States 903-986-3745 cthompson@drilltoolsinc.comGary Thompson BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7618 GaryT@bauerpileco.comRachel Thompson University of Michigan GeoWall Team 1550 Plymouth Rd. Apt. 1 Ann Arbor Michigan 48105 United States (989) 578-2414 ralyth@umich.eduJulie Thompson Foundation Technologies Inc PO Box 491718 Lawrenceville Georgia 30049 United States 6784074640 sanford@foundationtechnologies.comWayne Thompson CTL|Thompson, Inc. 400 N. Link Lane Fort Collins Colorado 80524 United States 970-206-9455 wthompson@ctlthompson.comRyan Thorne Condon-Johnson & Associates 9012 S 208th St Kent Washington 98058 United States 425-988-2150 rthorne@condon-johnson.comSteve Thorne Terracon 8 Barker Rd Somerset New Jersey 08873 United States 908-546-6151 sdthorne@terracon.comMauna Thornton Thorton Dozer Service Edgewood Texas 75117 United States charlieb@american-equipment.comLee Thornton Thorton Dozer Service Edgewood Texas 75117 United States charlieb@american-equipment.com

AnjanaThoroppady Kittu University of Arkansas UNIV OF ARKANSAS

OFF OF BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 4799666027 athoropp@uark.edu

Tom Thorpe Addison Drilling Ltd 6c Maces Road BromleyNew Zealand 8062 New Zealand +64 33844848 tom@addisondrilling.co.nz

John Thurlo Cal State Fullerton 6184 Fleetwood Lane Chino Hills California 91709 United States 9096149849 JHT10123@gmail.comDavid Thurman Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 jireland@bayshoresystems.com

Patrick Thurmond 1620 Normandie Dr. 1620 Normandie Drive Norman OklahomaOklahoma 73072 United States 5803743950 patrick.a.thurmond@gmail.com

Kuo Tian University of Wisconsin Madison1415 Engineering Drive 2243 Engineering Hall Madison Wisconsin 53706 United States 608-628-5399 ktian@wisc.edu

Mike Tibbett Russo Corporation 333 Sansom Blvd. Saginaw Texas 76179 United States 817-566-7370 mtibbett@russocorp.com

Mark TilashalskiVirginia Polytechnic Institute and State University 200 Patton Hall Blacksburg Virginia 24061 United States 7573294251 mark2014@vt.edu

Daniel Tiltges FRC 711 W Burning Tree Lane Arlington Heights Illinois 60004 United States 8473026318 dtiltges@slurryservice.comJason Timmons Nicholson Construction 12 McClane Street Cuddy Pennsylvania 15031 United States 412-221-4500 jason.timmons@nicholsonconstruction.comGreg Tingstrom Curtis Drilling 2625 Santa Fe Ave San Marcos California 92069 United States 760-727-7330 Josh@curtisdrilling.comNicole Tinkoff Southern Methodist University 3140 Dyer Street Dallas Texas 75275 United States 224-422-6220 ntinkoff@mail.smu.eduKrystal Tippett Bay Shore Systems, Inc. 14206 n ohio rathdrum Idaho 83858 United States 2086873311 krystaltipp@hotmail.comJim Tippett Bay Shore Systems, Inc. 14206 n ohio rathdrum Idaho 83858 United States 2086873311 jtippett@bayshoresystems.comArthur Tipter Zublin Corp. 1170 Howell Mill Rd. Suite 300 Atlanta Georgia 30318 United States 2893873263 Arthur.Tipter@zueblin.deBinod Tiwari California State University, Fullerton 800 N State College Blvd., E-419 Fullerton California 92831 United States 657-278-3968 btiwari@fullerton.eduAayush Tiwary University of Texas at Arlington 1010 Salt Pecan Street Arlington Texas 76010 United States 817-889-6887 aayushrajtiwary@gmail.comDave Tokos Steel Dynamics 2601 South County Rd 700 East Columbia City Indiana 46725 206-625-8718 dave.tokos@steeldynamics.comBrian Tolley Ralph L. Wadsworth Construction 166 E. 14000 S. Draper Utah 84020 United States 8015531661 tera@wadsco.comMichael Tomaro Fenton Rigging and Contracting 2150 Langdon Farm Road Cincinnati Ohio 45237 United States 513-631-5500 mtomaro@fenton1898.comMANUEL TONIOLO TREVIICOS 38 Third Avenue Charlestown Massachusetts 02129 United States 6172414800 mtoniolo@treviicos.comRobert Tonning Moretrench 16 Copicut Road (Rear) Assonet Massachusetts 02702 United States 508-644-9952 btonning@mtac.comMaria Grazia Tonti MAIT USA 19 Davidson Lane, Bldg 5 New Castle Delaware 19720 United States 302-778-3844 info@maitusa.comMirco Tonti Tescar PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.com

Rob Topping Topping Engineering Ltd. 206 Stillwater Drive SaskatoonSaskatchewan S7J4A4 Canada 306-955-7122 rob.topping@shaw.ca

David Torres Coastal Concrete Products Ft. Myers Florida 33912 United States 239-208-4079 dtorres@coastalconcreteprod.comCuauhtemoc Torres Cantu University of Texas Panamerican 941 N. Sugar Rd. Apt.318-D Edinburgh Texas 78541 United States 9566401617 ctorrescantu@broncs.utpa.eduTodd Townsend Citrus Hernando Florida citruswell@earthlink.netRaymond Townsend Citrus Hernando Florida citruswell@earthlink.netRon Townsend Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 rtownsend@williamsform.com

Nicholas Tracy VO Engineering13230 Evening Creek Drive South, Suite 207 San Diego California 92128 United States 8583918530 nick.tracy@vo-eng.com

Carl Tracy Applied Research Assoc, Inc 250 Beanville Rd Randolph Vermont 05060 United States 802-728-4588 ctracy@ara.com

Minh Tran University of Texas at Arlingtion 8620 Meredith Lane Keller Texas 76244 United States 8178965573 minhdtran@mavs.uta.eduKhiem Tran Clarkson University 8 Clarkson Ave Potsdam New York 13676 United States 3152682341 ktran@clarkson.eduDuc Tran Cal State Fullerton 6325 Golden Gate Drive Yorba Linda California 92886 United States 7143647637 ductran@csu.fullerton.eduJosh Trauger Scherzinger Drilling 9629 State Route 128 Harrison Ohio 45030 United States 5137382000 Josh@scherzingerdrilling.comSteve Trautwein Geotac 690 Ashcraft, Suite 104 Houston Texas 77081 United States 713-596-9662 steve.trautwein@geotac.comJeramie Tremain Condon - Johnson 480 Roland Way Suite 200 Oakland California 94621 United States 510-636-2100 mmadura@condon-johnson.comJonathan Tremmier Ple Hammer Equipment 1451 scenic highway Rising Fawn Georgia 30738 United States 706-398-1178 jt@vulcanhammer.comDonald Trexler Nicholson Construction 15603 E Fremont Drive Centennial Colorado 80112 United States 303-926-0411 Donald.trexler@nicholsonconstruction.comJerry Trgina HCM Contractors Inc 403-2484-884 jerryt@hcmc.caPasquale Triggiani Cima S.p.A. Piacenza Italy e.dordoni@gruppocima.itPasquale Triggiani Cima S.p.A. Piacenza Italy p.triggiani@metax.itJerad Triplett Wurster Engineering & Construction 34 Carrie Drive Greenville South Carolina 29615 United States 8646277751 jerad.triplett@wursterinc.comRonald Triplett Hayward Baker 208 Little Santee Road Colfax North Carolina 27235 United States 3366680884 retriplett@haywardbaker.comKetan Trivedi Mueser Rutledge Consulting Engineers 14 Penn Plaza New York New York 10122 United States 917-339-9332 ktrivedi@mrce.comHeather Trommels Rocscience Inc 439 University Avenue Suite 780 Toronto Ontario M5G 1Y8 Canada 416 698 8217 heather.trommels@rocscience.comRenzo Tronco N.C.B s.r.l 30020 Torre Di Mosto Venezia Italy info@ncbinternational.net

Joey Trottier Trottier Piling (2004) Ltd 435 Prairie Acres Bay Grande Pointe Manitoba R5A 0A1 Canada 204-794-7064 joe@trottierpiling.caNick Trussell Cajun Deep Foundations, LLC 15635 Airline Hwy Baton Rouge Louisiana 70817 United States 2257541369 nick.trussell@cajunusa.comAlice Tseng Friedr. Ischebeck GmbH Loherstr. 31 - 79 Ennepetal NRW 58256 Germany +2333830519 alice.tseng@ischebeck.deTerry Tucker Malcolm Drilling 92 Natoma St. San Francisco California 94105 United States 415-901-4400 ttucker@malcolmdrilling.comJeff Tully Earth Contact Products 15612 S Keeler Terrace Olathe Kansas 66215 United States 8663270007 jtully@getecp.comScott Tunison Crux Subsurface, Inc. 4308 N Barker RD Spokane Valley Washington 99027 United States 509-8929409 scott@cruxsub.comScott Tunison Crux Subsurface, Inc. 4308 N Barker RD Spokane Valley Washington 99027 United States 509-8929409 scott@cruxsub.comTom Tuozzolo Moretrench 100 Stickle Avenue Rockaway New Jersey 07866 United States 973-627-2100 ttuozzolo@mtac.com

John Turner Dan Brown and Associates, PC 1310 E. Garfield St. LARAMIE Wyoming82070-4134 United States 423-942-8681 jturner@danbrownandassociates.com

Martin Turner Brevini Power Transmission 14141 W. Brevini Drive Yorktown Indiana 47396 m.turner@breviniusa.com

John Turner Dan Brown and Associates, PC 1310 E. Garfield St. LARAMIE Wyoming82070-4134 United States 423-942-8681 jturner@danbrownandassociates.com

Ty Turner Unintech Consulting Engineers, Inc. 2431 E Evans Road San Antonio Texas 78259 United States 210-641-6003 tyandjenn@sbcglobal.netBenjamin Turner UCLA 11554 Wyoming Ave #3 Los Angeles California 90025 United States 8053057823 bjturner@ucla.eduDoug Tye RAM INDUSTRIES INC. 4101 Firethorn Dr. Arlington Texas 76017 United States 817-915-2803 dtye@ramindustries.com

Bragg Tyler Liebherr-Canada Ltd. 1015 Sutton Drive Burlington Ontario L7L 5Z8 Canada +1-905-319-9222 tyler.bragg@liebherr.comCurtis Tyler TorcSill 3880 HWY 281 Three Rivers Texas 78701 United States 361-786-6527 ctyler@torcsill.comTim Tyler Trine University One University Avenue Angola Indiana IN 46703 United States 260-665-4821 tylert@trine.eduKristin Ulmer Brigham Young University 40 East 300 North Provo Utah 84606 United States 5412311463 kjulmer16@gmail.comGordian Ulrich Equipment Corporation Of America Post Office Box 306 Coraopolis Pennsylvania 15108 United States 610-626-2200 gordian@ecacanada.caEdward Ulrich Ulrich Engineers 706 Santa Maria Sugar Land Texas 77478 United States 281-635-5040 edward.ulrich@ulrichengineers.comChad Underwood Engineering Partners International LLC 1299 Eagan Industrial Road Suite 201 Eagan Minnesota 55121 United States 651-209-0108 chad@epillc.net

Bruno Unger BAUER Maschinen GmbH BAUER-Straße 1 Schrobenhausen 86529 Germany+49 8252 97-1634 Bruno.Unger@bauer.de

Minh Uong University of Missouri E2509 Lafferre Hall Columbia Missouri USA 65201 United States 5737772964 minhuong@mail.missouri.eduSneha Upadhyaya California State University, Fullerton 2635 Milton Avenue, Apt #16 Fullerton California 92831 United States 7144619911 upadhyayasneha@csu.fullerton.eduKent Upton PENGO 500 E. Hwy 10 Laurens Iowa 50554 United States 336-210-3755 kupton@pengoattachments.com

Daniel Uranowski Nicholson Construction 12 McClane St Cuddy Pennsylvania 15031 United States 412-221-4500 daniel.uranowski@nicholsonconstruction.comTravis Usherwood Southwest Concrete Construction, Inc. 2408 N. Parkland Ave Artesia New Mexico 88210 United States 5757469074 travisu@swcci.comSteve Usherwood Southwest Concrete Construction, Inc. 2408 N. Parkland Ave Artesia New Mexico 88210 United States 5757469074 steveu@swcci.comJoni Ussary Pro-Dig 1604 Roseport Road Elwood Kansas 66024 United States 7858562661 joniussary@pro-dig-usa.com

Farshid Vahedifard Mississippi State University235H Walker Hall, 501 Hardy Road, PO

Box 9546

Department of Civil and Environmental Engineering Mississippi State Mississippi

39762-9546 United States 6623250902 farshid@cee.msstate.edu

STEFANO VALAGUSSA TREVIICOS 38 THIRD AVENUE CHARLESTOWN Massachusetts 02129 United States 6172414800 svalagussa@treviicos.comRick Valentine Valentine Engineering Associates, Inc. 3926 Braden Road Walla Walla Washington 99362 United States 509-529-5876 rick@vea-inc.comMatt Valentino Allied Drilling PO Box 12 Fort Worth Texas 76101 United States 817-483-7272 rebecca@allieddrilling.comJose Valenzuela Blaze Equipment 16 Dodge City Trail Newark Texas 76071 United States 817-538-0518 jose@blaze-equip.com

Cesar Valle Kiewit Underground 302 South 36th Street Suite 400 Omaha Nebraska 68131 United States 402-231-4237 Matt.Swinton@Kiewit.com

Jasper Van Der Bruggen Plaxis Americas LLC 2500 Wilcrest Drive suite 300 Houston Texas 77042 United States 6508044729 jb@plaxis.com

Arjen Van der Schaaf PVE Piling & Drilling Rigs Everdenberg 17 Oosterhout 4902 TT Netherlands+31 (0)184 425 949 a.vanderschaaf@pvepiling.com

Harry Van der Starre Dieseko Group (PVE Equipment USA) Lelystraat 49 Sliedrecht 3364 AH Netherlands +31184410333 h.vd.starre@diesekogroup.comMichiel Van Es PVE Piling and Drilling Rigs Everdenberg 17 Oosterhout 4902 TT Netherlands +31184430900 M.v.es@pvepiling.comJan Van Meever Meever USA 31 Penn Plaza New York New York 10001 United States 646 727 7582 info@meever.us

Rene Van Wolput Holte Manufacturing P.O. Box 40025310 Jeans Road Oregon 97487 United States 5419355054 rene@drilling.com

Walter Van Zuthem JD Fields & Company 55 Waugh Drive Suite 1250 Houston Texas 77007 United States 281 558-7199 walter@jdfields.comDaniel VandenBerge Virginia Tech 19 Patton Hall Blacksburg Virginia 24061 United States 5402312037 danvb1@vt.eduJennifer Vanderveen Nations Equipment Finance 999 Corporate Drive Suite 100 Ladera Ranch California 92694 United States 9495332470 jvanderveen@nationsequipmentfinance.comBen VanderWeide National Piling Product Inc. 8298 Long Lake Road Traverse City Michigan 49686 United States +1 855 8017453 ben@nppius.com

Durga Praveen Reddy Vanga A.H. BECK FOUNDATION CO., INC. 5123 Blanco Road San Antonio Texas 78216 United States 2103425261 praveen.reddy@ahbeck.comCarl Vanhoutte SkyMan USA 421 Guildford Avenue Chambersburg Pennsylvania 17201 United States 7174960301 carl.vanhoutte@sky-man.comSatya Varadhi Parsons 1723 Mundelein Rd Naperville Illinois 60565 United States (630) 207-9277 satya.varadhi@parsons.comOsvaldo Vargas Gannett Fleming, Inc. 3452 Lake Lynda Drive Suite 350 Orlando Florida 32817 United States 407-384-4412 ovargas@gfnet.comIan Vaz Giken America Corporation 5770 Hoffner Ave. Suite 101 Orlando Florida 32822 United States 407-380-3232 ivaz@gikenamerica.comJavier Vazquez Grupo Halcon Tervino 6650 Col Topo Chico Monterrey NL 64260 Mexico 52818376800 javier.halcon@gmail.comRavi Vedantham Parsons Brinckerhoff 425 Market Street, 17th Floor San Francisco California 94105 United States 4152434714 ravivedantham@gmail.comRavi Vedantham Parsons Brinckerhoff 303 Second Street, Suite 700N San Francisco California 94107 United States 4152434714 ravivedantham@gmail.comAMERICA VEGA ALFO SANTO DOMINGO MEXICO 02460 Mexico 525553531001 ciemntacion.ventas@alfo.com.mxJeff Veilleux PJ's Rebar, Inc. 45055 Fremont Blvd Fremont California 94538 United States 510-743-5292 jveilleux@pjsrebar.comRimas Veitas DuroTerra 639 Granite Street Braintree Massachusetts 02184 United States rimas@duroterra.comJesus Velazquez California State University, Fullerton 329 S Sunshine Ave El Cajon California 92020 United States 6195070976 jesusvelazquez94@csu.fullerton.eduKalaiarasi Vembu Fugro GeoConsulting, Inc 6100 Hillcroft Ave Suite 300 Houston Texas 77081 United States 7133695823 vkalaiarasi@gmail.comFrancesco Venier SoilTek via Don Morosini s.n. Tollo CH 66010 Italy 390871969110 info@soiltek.itGerald Verbeek 1411 Cumberland Rd Tyler Texas 75703 United States 9039391168 gverbeek@verbeekservices.comJohn Verdin GEOCONSTRUCTORS Purcellville Virginia 7037719846 jverdin@geoconstructors.comJohn Verdin (Copy) GEOCONSTRUCTORS Purcellville Virginia 7037719846 jverdin@geoconstructors.comAntonello Verdolini Tescar PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comJeremy Verdusco National Driller 2401 w big beaver rd suite 700 Troy Michigan 48084 United States verduscoj@bnpmedia.comAndrew Verity Terracon 8901 John Carpenter Frwy, Suite 100 Dallas Texas 75247 United States 214-666-4709 Andrew.Verity@terracon.comMagnus Veslegard Hallingdal Bergboring AS Ylivegen 7 AAL 3570 Norway 004741629723 Magnus@bergboring.noRay Vetters Kingwood Pipe Inc. 3 North Main Kingwood Texas 77339 United States 281 359-7473 ray@kingwoodpipe.comSuzanne Vial Molina & Vial SA Panama Panama 507 Panama 6678-4341 arquitectura@molinayvial.comRon Vigliotti Simpson & Brown Cranford New Jersey 07016 mbyrne@simpsonandbrown.comEFRAIN VILLEGAS DRILLINGWORLD 1458 MARIANI COURT TRACY California 95376 United States 209-855-8300 sclark@drillingworld.comLucas Vinze Rock Hog Drilling Products Mercersburg Pennsylvania lukevinze@gmail.com

Cumaraswamy Vipulanandan CIGMAT/University of Houston 4800 Calhoun Road Houston Texas 77204 United States 713-743-4278 cvipulanandan@uh.eduClayton Vogan San Diego State University 6960 Flanders Dr San Diego California 92121 United States 619 200 6150 clayton.vogan@gmail.comKarl Vogle MKT Manufacturing Inc 1198 Pershall Rd St. Louis Missouri 63137 United States 3143882254 mwhisler@mktpileman.comChad Vogt Edgen Murray 8000 E 96th Ave Henderson Colorado 80640 United States 303-803-0445 chad.vogt@edgenmurray.comGerhard Vogt Votec Humble Texas 77396 votec@votechhydraulicservice.comStephanie Voigt RODRILL MFG 11670 IH 10 East Post Office Box 489 Converse Texas 78109 United States 2106672130 stephanievoight@ymail.comCraig Vorster Vecellio Group 101 Sainsbury's Way West Palm Beach Florida 33411 United States 5613583855 craig.vorster@vecelliogroup.com

Thuy Vu U of Texas Pan-American ASB 1.207 Civil Enginerring Program 1201 W. University Dr Edinburg Texas 78539 United States 956-665-3729 vut@utpa.eduMohammed Wabran Pocatello Idaho mnm.wabran@hotmail.comPhil Wade Datgel 612-82028601 phil.wade@datgel.comKathie Wagner Weber Associates LLC 619 River Street Belleville Wisconsin 53508 United States 6084249966 bweber@brierleyassociates.comChris Wait Bell Power Systems 34 Plains Road PO Box 980 Essex Connecticut 06426 United States 7046083489 chris@bellpower.com

Warren Waite Bermingham Foundation Solutions Limited 600 Ferguson Avenue North HamiltonCanada, Ontario L8L 4Z9 Canada 9055287924 Lmacqueen@berminghammer.com

HIrochika Wakimoto Mitsubishi Materials USA Corp 11250 Slater Ave Fountain Valley California 92708 United States 704-838-8175 hwakimot@mmus.comAaron Waldren Anderson Drilling 3600 east 46th Ave Denver Colorado 80216 United States 3033216680 awaldren@andersondrilling.comMike Waldren Anderson Drilling 3600 east 46th Ave Denver Colorado 80216 United States 3033216680 mwaldren@andersondrilling.comKimberly Waldren Anderson Drilling Bennett Colorado United States mjwkjw@me.comTracy Walk CMG PO Box 80252 Billings Montana 59108 United States 4066551892 tracyw@cmgbillings.comAmy Walker Texas Shafts Inc. PO Box 79218 Fort Worth Texas 76179 United States 8174392000 mrsamywalker@aol.comKent Walker Con-Tech Systems 1832 University Commercial Place Charlotte South Carolina 28213 United States 704-494-3989 kent@contechsystems.comKurt Walker Bolander 251 Starkey St St Paul Minnesota 55105 United States 651-224-6299 kurt@bolander.comAlvin Walker Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comDale Walker Oci Div - Global Drilling Suppliers, Inc 12101 Centron Place Cincinnati Ohio 45246 United States 513-671-8700 Dale.walker@globaldrilsup.comMichael Walker GEI Consultants, Inc 400 Unicron Park Drive Woburn Massachusetts 01801 United States 781-721-4000 mwalker@geiconsultants.comDanny Walker Vecellio & Grogan 2251 Robert C Byrd Drive Beckley West Virginia 25801 United States 3048904260 Danny.Walker@vecelliogrogan.comTom Walker Keystone Drill Services, LLC 184 Alisa Street Somerset Pennsylvania PA 15501 United States 814432670 sales@keystonedrill.comBo Walker Texas Shafts Inc. PO Box 79218 Fort Worth Texas 76179 United States 8174392000 bwalker@texashafts.comJohn Walker Mobile Drill Intl 3807 Madison Avenue Indianapolis Indiana 46227 United States 3177876371 john.walker@mobiledrill.netTed Walker Oci Div - Global Drilling Suppliers, Inc 12101 Centron Place Cincinnati Ohio 45246 United States 513-671-8700 ted.walker@globaldrilsup.comChris Wall Caisson Consultant PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comChris Wall Caisson Consultant Inc 28 Allaura Blvd Unit 1 Aurora Ontario L4G3S5 Canada 416-476-9074 chris@caissonconsultant.comJeff Wallace University of Illinois 1012 East Kerr Ave Apt 102 Urbana Illinois 61802 United States 858-829-2508 jfwalla2@illinois.eduJohn Wallace IGES, Inc. 4153 Commerce Dr Salt Lake City Utah 84107 United States 8012709400 johnw@igesinc.comGary Wallen Jimco - Home of the John Henry Rock Drill PO Box 1589 Charleston West Virginia 25326 United States 615-746-4435 spencer.jimco@gmail.comSpencer Wallen Jimco - Home of the John Henry Rock Drill PO Box 1589 Charleston West Virginia 25326 United States 615-746-4435 spencer.jimco@gmail.comBobby Waller American Hose Company 300 Warehouse Drive Matthews North Carolina 28104 United States (704) 821-8200 pcunningham@iceusa.comRick Walsh Hayward Baker Inc. 1870 Cordell Court Suite 201 El Cajon California 92020 United States 6194433891 rwalsh@haywardbaker.comBrandon Walter Earth Contact Products 15612 S Keeler Terrace Olathe Kansas 66215 United States 8663270007 bwalter@getecp.comDawn Walters ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6127 dawn@rocequipment.comMike Walters A Equipment Inc. Brooklyn New York 11205 United States ari@sconnyc.comMark Walters KB International 735 Broad Street Suite 209 Chattanooga Tennessee 37402 United States 4232666964 mwalters@kbtech.comDean Walton Nicholson Construction 850 N 550 W North Salt Lake Utah 84054 United States 801-296-5899 dean.walton@nicholsonconstruction.com

Jeremy WanDepartment of Public Works Los Angeles County 900 South Fremont Ave Alhambra California 91803 United States 626-458-7980 JWAN@dpw.lacounty.gov

Jintai Wang The Pennsylvania State UniversityDepartment of Civil and Environmental Engineering Sackett Building University Park Pennsylvania 16802 United States 8148658056 jxw487@psu.edu

Weijun Wang U.S. Nuclear Regulatory Commission 11555 Rockville Pike Rockville Maryland 20852 United States 301-415-1175 Weijun.Wang@nrc.govChris Wang APE/J&M 7032 South 196th St. Kent Washington 98032 United States 253) 872-0141 chrisw@apevibro.comWenMin Wang Avar Construction 47375 Fremont Blvd Fremont California 94538 United States 510-354-2000 ww@avarconstruction.comShin Tower Wang ENSOFT, INC. Austin Texas United States stw@ensoftinc.com

Xuefei Wang Case Western Reserve University 10900 Euclid AvenueBingham Building Room 259 Cleveland Ohio 44106 United States 6178520537 xxw165@case.edu

Chi Wang ASCE 1801 Alexander Bell Drive Reston Virginia 20191 United States 703-295-6266 cwang@asce.orgJintai Wang PennState State College Pennsylvania jxw478@psu.eduXiaoyue Wang The University of Texas at Austin 3517 N Hills Dr Apt S203 Austin Texas 78731 United States 5123508236 xy_wang@utexas.eduMichael Wang ANSHAN ZIZHU INT'L TRADING F16, Block C, Dashang Office Building Tiedong District Anshan Liaoning 114001 China 86-412-5911511 michael@aszizhu.comYaning Wang The University of Texas at Austin 2501 Lake Austin Blvd, Apt D201 Austin Texas 78703 United States 5126601733 yaningwang11@gmail.comSHENWEI WANG ZIKING STEEL PIPE 11F, 1200 W. 73RD AVE. VANCOUVER BC V6P 6G5 Canada 604-6382716 shenwei@ziking.cnXuelin Wang University of Mount Union 1972 Clark Ave Alliance Ohio 44601 United States 3302571720 wangx@mountunion.eduZhijie Wang University of Michigan 3720 Green Brier Blvd, Apt. 365B Ann Arbor Michigan 48105 United States 7348343217 zjwang@umich.eduFei Wang The University of Kansas 1732 Anna Dr. Apt. 9 Lawrence Kansas 66044 United States 7854244881 wangfei@ku.eduJeff Warchall UNC Charlotte Charlotte North Carolina jwarchall@macleanpower.comDarryl Ward Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 donna.shady@watsonusa.comLouisa Ward NHI 1310 N. Courthouse Road, Suite 300 Arlington Virginia 22201 United States 703-235-0523 louisa.ward@dot.gov

Taylor Ward Gerdau 6833 Ravenwood Ave NW North Canton Ohio 44720 United States(813) - 468 - 8500 taylor.ward@gerdau.com

Bill Warfield Atlas Copco CMT 1708 Monte Bell Ct Roseville California 95661 United States 916-768-9432 bill.warfield@us.atlascopco.com

Tom Wark KellerCanada 2010 Industrial Drive ReginaSaskatchewan S4P 3J8 Canada 1-306-545-5050 twark@kellercanada.com

Tom Sr. Wark KellerCanada 2010 Industrial Drive ReginaSaskatchewan S4P 3J8 Canada 1-306-545-5050 twark@kellercanada.com

James Warner Consulting Engineer P.O. Box 1208 Mariposa California 95338 United States 209 966-5915 warner@sti.net

Joseph Wartman University of Washington 201 More Hall, Box 352700 Seattle Washington98195-2700 United States 2066854806 joseph.wartman@gmail.com

Danielle Watkins Itasca 111 3rd Ave South Suite 450 Minneapolis Minnesota 55401 United States 612-677-2417 dwatkins@itascacg.comAl Watry Atlas Copco W2333 Sunrise Court Campbellsport Wisconsin 53010 United States 4143039066 al.watry@us.atlascopco.comDoug Watson Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 doug.watson@watsonusa.comRyan Watson Hayward Baker 7550 Teague Rd Ste 300 Hanover Maryland 75068 United States 9722945000 rwatson@haywardbaker.comDavid Watson Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 david.watson@watsonusa.comDoug Watt Condon-Johnson & Associates 9012 S 208th St Kent Washington 98058 United States 425-988-2150 dwatt@condon-johnson.comDoug Watts Tulsa Pier United States donald_grant@kellytractor.comCara Watts Tulsa Pier United States donald_grant@kellytractor.comJoseph Waxse Terracon 18001 West 106th Street Suite 300 Olathe Kansas 66061 United States 913-577-0308 jawaxse@terracon.comAndrew Waynick Hayes Drilling, Inc 15525 S Mahaffie St Olathe Kansas 66062 United States 9137689500 awaynick@hayesdrillinginc.comDavid Weatherer Berkel & Company Contractors, Inc. 2431 Linden Lane Silver Spring Maryland 20910 United States 3015875111 dweatherer@berkelapg.comTOM WEAVER DarDrill, Inc. 131 CALIFORNIA DRIVE WILLIAMSVILLE New York 14221 United States 716-634-0484 tweaver@HFDarling.comDaniel Webb Berkel & Company Contractors, Inc. 3901 Curtis Avenue Baltimore Maryland 21226 United States 4103550744 dwebb@berkelapg.com

Christopher Weber Hammer & Steel Industriestr. 5D-57489 Drolshagen 4902763 c.weber@eurodrill.de

Jeremy Weber Terex 500 Oakwood Road Watertown South Dakota 57201 United States 605 882 5526 Jeremy.weber@terex.comBruce Weber Weber Associates LLC 619 River Street Belleville Wisconsin 53508 United States 6084249966 bweber@brierleyassociates.comJason Weck HC Matcon Inc. 126 Earl Thompson Rd ayr ontario m8z3n5 Canada 4164578313 jasonw@hcgroup.caJean Wehbe BAUER-Pileco Inc. 100 North FM 3083 East Conroe Texas 77303 United States 713-699-7623 JeanW@bauerpileco.comRainer Weidenhaupt ZÜBLIN Inc. 6790 Century Avenue Suite 401 Mississauga Ontario L5V2N8 Canada +14168409524 Rainer.Weidenhaupt@zueblin.ca

Tom Weinmann Geocomp Corporation1390 Busch Parkway Buffalo Grove, IL

60089 Buffalo Grove Illinois 60089 United States (224) 676-1371 tweinmann@geocomp.comJason Weinstein Shoring Engineering 12645 Clark Street Santa Fe Springs California 90670 United States 562-305-4394 jason1@shoringengineers.comRob Weir Williams Form Engineering Corp. 6440 Flanders Dr. San Diego California 92121 United States 8583200330 rweir@williamsform.comMehari Weldu University of Kansas 1401 Apple ln Apt #10 Lawrence Kansas 66045 United States 3143095853 wmehari@ku.eduBrian Weller Paco Equipment 250 S. Webster St. Seattle Washington 98101 United States 206.762.3550 vinnie@pacoequip.comColbey Wells Texas Shafts, Inc. PO Box 79218 Fort Worth Texas 76179 United States 817-439-2000 calvis@texashafts.comJoseph (Joe) Welsh Hayward Baker Inc 4404 Island View Road Snow Hill Maryland 21863 United States 410-632-4623 welshjd@yahoo.comDylan Welsh CJ Drilling, Inc. 19N041 Galligan Rd Dundee Illinois 60118 United States 3145660699 dwelsh@cjdrilling.comJustin Wendorff Michels Corporation 817 West main Street Brownsville Wisconsin 53006 United States 920-583-3132 jwendorf@michels.usJeff West PJ's Rebar, Inc. 45055 Fremont Blvd Fremont California 94538 United States 510-743-5300 jwest@pjsrebar.comPat West Ludwig Drilling 8112 Lodge Poll Trail Lone Tree Colorado 80124 United States 303-868-9589 pwest@ludwigdrilling.comPat West Ludwig Drilling 8112 Lodge Poll Trail Lone Tree Colorado 80124 United States 303-868-9589 pwest@ludwigdrilling.comMickey Westbrook Specrete 10703 Quebec Ave. Cleveland Ohio 44106 United States 216-721-2050 mwestbrook@specrete.comJ.A. Wever IPC PO Box 631783 Littleton Colorado 80163 United States 303-518-5336 jdezort@ip-co.net

Larry Whatley Hayward Baker509 N. Sam Houston Parkway E., Suite 300 Houston Texas 77060 United States 2816681870 lcwhatley@haywardbaker.com

Steve Whiesenhunt Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 steve.whisenhunt@liebherr.comMike Whisler MKT Manufacturing Inc 1198 Pershall Rd St. Louis Missouri 63137 United States 3143882254 mwhisler@mktpileman.comNick Whisler MKT Manufacturing Inc 1198 Pershall Rd St. Louis Missouri 63137 United States 3143882254 nwhisler@mktpileman.comAshley White ROC Equipment P.O. Box 3143 Salt Lake City Utah 84110 United States 801-214-6126 ashley@rocequipment.comCourtney White RODRILL MFG 11670 IH 10 East Post Office Box 489 Converse Texas 78109 United States 2106672130 courtneyjenywhite11@gmail.comSTEVE WHITE GEOPROBE SYSTEMS 1835 WALL ST SALINA Kansas 67401 United States 785-404-1160 chril@geoprobe.comJohn White Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 jwhite@williamsform.com

David White APE China Buldig No 233 Fu Qiao RdGuCun Industrial Zone, Baoshan District shanghai 201906 China

+86-21-5677-1221 davidw@apevibro.com

Chris Whitesel Kiewit Underground 302 South 36th Street Suite 300 Omaha Nebraska 68131 United States 402-231-4258 Chris.Whitesel@Kiewit.comRichard Whitt Geopier Foundation Company 130 Harbour Place Drive Suite 280 Davidson North Carolina 28036 United States 7044391790 rwhitt@geopier.comCoyle Whitten Auger Drilling, Inc 1825 walnut hill Suite 120 Irving Texas 75038 United States 2147072833 augerdrilling@yahoo.comChuck Wiedenhoefer Quadarant EPP 3003 Elm Trail Roundrock Texas 78681 United States chuck.wiedenhoefer@qplas.comPaul Wiedmeyer Michels Corporation PO Box 128 Brownsville Wisconsin 53006 United States 920-583-1441 pwiedmey@michels.usCraig Wigginton Liebherr Nenzing Crane Co. 7075 Bennington Street Houston Texas 77028 United States 713-636-4053 tobias.haemmerle@liebherr.comKevin Wikar Hayward Baker 7550 Teague Hanover Maryland 21076 United States 4105518200 kcwikar@haywardbaker.comTyler Wilbur Double Star Drilling 312 Hayes Crescent Acheson T7X 5A4 Canada 7804844276 tyler@doublestardrilling.ca

Lawrence Wilcox Corpus Christi Texas lwilcox@largeanderson.comLEON WILCZYNSKI PILING AND EQUIPMENT 126 TCHEFUNCTE DR COVINGTON Louisiana 70433 United States 5048920836 leonwilczynski@bellsouth.netDarrell Wilder GEI Consultants, Inc 18000 Horizon Way Suite 200 Mount Laurel New Jersey 08054 United States 856-608-6860 DWilder@geiconsultants.comErik Wildes Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comNicole Wildes Midwest Drilled Foundations 200 S. Prairie Ave Waukesha Wisconsin 53186 United States 262-436-0393 ewildes@midwestdfe.comSteve Wiley James McHugh Construction Co. 1737 S. Michigan Avenue Chicago Illinois 60616 United States 312-986-8000 swiley@mchughconstruction.comBruce Wilhelm Malcolm Drilling 11 Hillcrest Rd San Carlos California 94070 United States 4153107198 BWILHELM@malcolmdrilling.comChuck Wilk Allu 700 Huiler St Teterboro New Jersey 07608 United States 8009392558 charlesw@allu.netStuart Willaims Case Atlantic A Keller Company 4585 140th Ave N STE 1012 Clearwater Florida 33762 United States 727-572-7740 sewilliams@caseatlantic.comCory Willard Keller Foundations Ltd. #2 - 53016 Highway 60 Acheson Alberta T7X 5A7 Canada 7802178268 cwillard@kellercanada.comDavid Williams Kelly Tractor Co PO Box 1318 Mulberry Florida 33860 United States (863) 354-9036 david_williams@kellytractor.comKelly Williams Subsurface Construction Company 1107 Fuller Street Raleigh North Carolina 27603 United States 919-881-9469 kelly@subsurfaceconstruction.comSteve Williams Condon-Johnson 9012 South 208th Street Kent Washington 98031 United States 5106362100 swilliams@condon-johnson.comMark Williams Stressteel 100 New Dutch Lane Fairfield New Jersey 07004 United States 973-432-7071 mark.williams@stressteel.comBarkley Williams Hubbell Power Systems, Inc. 210 North Allen Street Centralia Missouri 65240 United States 205-478-5699 bwilliams@hubbell.comRyan Williams Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 ryan@williamsform.comVincent Williams Bauer-Pileco Inc. 100 N. FM 3083 East Conroe Texas 77303 United States 713-699-7652 vwilliams@bauerpileco.comTim Williamson Dawson Construction Plant, Inc 4650 NE Birmingham Road Kansas City Missouri 64117 United States 8168088815 timw@dcpuk.com

THIERRY WILLIG NICHOLSON CONSTRUCTION COMPANY 12 MCCLANE ST CUDDY 15031 United States 412-221-4500THIERRY.WILLIG@NICHOLSONCONSTRUCTION.COM

Nicolas Willig-Friedrich Case Foundation 1325 W. Lake Roselle Illinois 60172 United States 6309243151 nawillig@casefoundation.comKelley Willis Blaze Equipment 5500 Mayfax Way Suite 1 Fort Worth Texas 76131 United States 682-300-4600 matt@blazeequip.comHarris Wilson Russo Corporation 333 Sansom Blvd. Saginaw Texas 76179 United States 817-566-7370 hwilson@russocorp.comHeath Wilson Kennametal, Inc. 1600 Technology Way Latrobe Pennsylvania 15650 United States 5124178514 heath.wilson@kennametal.comCeleste Wilson Champion Equipment Sales, LLC 49 East Gordon Avenue Salt Lake City Utah 84107 United States 8012888919 John@championsales.netStephen E Wilson Champion Equipment Sales, LLC 49 East Gordon Avenue Salt Lake City Utah 84107 United States 8012888919 sew@championsales.netJohn M Wilson Champion Equipment Sales, LLC 49 East Gordon Avenue Salt Lake City Utah 84107 United States 8012888919 john@championsales.netKai Wimberley Lee & Hayes 601 W. Riverside Ave. Suite 1400 Spokane Washington 99201 United States 509-944-4775 kai@leehayes.comScott Wimmer Kiewit Underground 302 South 36th Street Suite 300 Omaha Nebraska 68131 United States 402-231-4242 Scott.wimmer@kiewit.comKate Winbaum Apt. 415 - 88 Spadina Road Toronto Ontario M5R 2S8 Canada Kate.winbaum@gmail.comRonnie Wine RDI Foundation Drilling 20810 Fernbush Houston Texas ACook@texassterling.comDillard Winn Scott Powerline P O Box 4008 Monroe Louisiana 71211 United States 318-388-9207 ksnell@scottpowerline.comCharles Winter CH2M HILL 135 South 84th Street Suite 400 Milwaukee Wisconsin 53214 United States (414) 847-0519 charles.winter@ch2m.comKent Winter Winter Equipment 1900 Joseph Lloyd Pkwy Willoughby Ohio 44094 United States 440-946-8377 kwinter@winterequipment.comGreg Winters Farrell Design Build 3025 Venture Road Placerville California 95667 United States 5306214867 gregw@farrellinc.comKen Winters Farrell Design Build 3025 Venture Road Placerville California 95667 United States 5306214867 kenw@farrellinc.comDan Winters R.W. Conklin Steel Supply, Inc. 2036 Stone Cross Cir Orlando Florida 32828 United States 407-340-8217 danwitners@conklinsteel.comDoug Wireman Thorton Dozer Service 100 Water Street Edgewood Texas 75117 United States charlieb@american-equipment.comJohn Wise Nicholson Construction Company 12 McClane Street Cuddy Pennsylvania 15031 United States 4122214500 john.wise@nicholsonconstruction.comKord Wissmann Geopier Foundation Company 130 Harbour Place Drive Suite 280 Davidson North Carolina 28036 United States 7044391790 kwissmann@geopier.comBlaine Withers Heldenfels Enterprises, Inc. 5700 IH 35 South San Marcos Texas 78666 United States 512-396-2376 margarita.garcia@heldenfels.comSandy Witherspoon S & W Foundation 537 E. Polk Richardson Texas 75081 United States 9722353267 sandy.witherspoon@yahoo.comTom Witherspoon S&W Foundations 2806 singleton Rowlett Texas 75088 United States (972)235-3267 tomw5@ix.netcom.comJames Withiam D'Appolonia Engineers 275 Center Road Monroeville Pennsylvania 15146 United States 412-856-9440 jlwithiam@dappolonia.comHans Wlodkowski DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comDavid J Woeller ConeTec Investigations LTD 12140 Vulcan Way Richmond BC V6V1J8 Canada 604-273-4311 dwoeller@conetec.comAdam Woessner McKinney Drilling Company Buda Texas 78610 awoessner@mckinneydrilling.comDaniel Woeste Geosyntec Consultants 1420 Kensington Road Suite 103 Oak Brook Illinois 60523 United States 630-203-3362 dwoeste@geosyntec.comDan Wojick Watson Drill Rigs 4015 South Freeway Ft Worth Texas 76110 United States 817-927-8486 dan.wojick@watsonusa.comEarnie Wolbaum Keller Canada Zone 3 Acheson Industrial Area 2 53016 Hwy 60 Acheson AB TX7 5A7 Canada 780-960-6732 ewolbaum@kellercanada.comDan Wolf Construction Supply Co., Inc. P.O. Box 1682 Tualatin Oregon 97062 United States dan@cscinc.bizJohn Wolosick Hayward Baker Inc. 515 Nine North Court Alpharetta Georgia 30004 United States 7704421801 jrwolosick@haywardbaker.comGARY WONG TWG CANADA 19350 - 22ND AVENUE SURREY BC V3Z 3S6 Canada 604-547-2118 gwong@team-twg.comReynold Wong California State Los Angeles 5151 State University Drive Los Angeles California 90032 United States 6263741874 Reynold.wong8@gmail.comRay Wood Loadtest USA 2631 NW 41st Street Gainesville Florida 32606 United States 352 378 3717 Rwood@fugro.comAlex Wood CMG PO Box 80252 Billings Montana 59108 United States 4066551892 alexw@cmgbillings.comClinton Wood University of Arkansas 4190 Bell Engineering Center Fayetteville Arkansas 72701 United States 4795756084 cmwood@uark.eduGeorge Woodley Shoring Engineering 12645 Clark Street Santa Fe Springs California 90670 United States 562-305-4394 ewsr@shoringengineers.com

Richard Woods Univ. of Michigan 7436 Lake St. Dexter Michigan 48130 United States 7347644303 rdw@umich.eduChris Woods Densification, Inc. 40650 Hurley Lane Paeonian Springs Virginia 20129 United States 5408824404 chris@densification.comJohn Wooley Balcones Geotechnical, PLLC 5926 Balcones Drive Suite 230 Austin Texas 78731 United States 512-486-9654 jwooley@balconesgeotech.comMiriam Woolley Arizona State University 1016 W 12th Street Tempe Arizona 85281 United States 928-242-7182 mawoolle@asu.eduPatrick Wörle DYWIDAG Systems International (DSI) 320 Marmon Drive Bolingbrook Illinois 60440 United States 630-972-4035 dsiamerica@dsiamerica.comBob Worpel Williams Form Engineering Corp. 8165 Graphic Dr. Belmont Michigan 49306 United States 6168660815 bworpel@williamsform.comLiam Wotherspoon University of Auckland Private Bag 92019 Auckland 1142 New Zealand +64 9 3737599 l.wotherspoon@auckland.ac.nz

Warren Wray Missouri University of Science and Technology 300 W. 12th St. 203 Centennial Hall Rolla Missouri65409-1210 United States 5733414689 wkwray@mst.edu

Joe Wright APE/J&M 3975 FM Hwy 1485 Conroe Texas 77306 United States (936) 271-1044 JoeW@apevibro.comDave Wright Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 dave@bayshoresystems.comLiam Wright Bay Shore Systems, Inc. 14206 N Ohio Street Rathdrum Idaho 83858 United States 2086873311 liam@bayshoresystems.comStephen Wright University of Texas - Retired 3406 Shinoak Drive Austin Texas 78731 United States 512-452-2095 swright@shinoak.comPhil Wright L.B. Foster Company 130 Satellite Boulevard NE Suite A Suwanee Georgia 30024 United States 678-926-5217 PWRIGHT@LBFOSTER.COM

Chunqiu WUHelical Foundations (Beijing) Technology Co., Ltd

1 Chaoqian Road, Changping Tech-Park, Beijing Beijing 100013 China 861064517227 wuchunqiu123@sina.com

Xuan Wu Arizona State University 1701 E 8TH ST TEMPE Arizona 85281 United States 4803527996 xuanwu@asu.eduT. H. Wu Ohio State Univ. 2070 Neil Ave Columbus Ohio 43210 United States 614-888-1071 wu.26@osu.eduMelynne Wulff Terracon Consultants 6911 Blanco Road San Antonio Texas 78216 United States (210) 852-3439 mnwulff@terracon.comDaryl Wurster Wurster Engineering & Construction 34 Carrie Drive Greenville South Carolina 29615 United States 8646277751 daryl.wurster@wursterinc.comDave Wurtz Nicholson Construction 850 N 550 W North Salt Lake Utah 84054 United States 801-296-5899 Dave.wurtz@nicholsonconstruction.comChris Wynn Taylor Ridge Drilled Foundations Inc 6710 134th Ave West Taylor RIdge Illinois 61284 United States 3097985220 chris@trdrilling.comT John Wysockey Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 jwysockey@thatcherfoundations.comMichael Wysockey Thatcher Foundations, Inc. 7100 Industrial Highway Gary Indiana 46406 United States 773-721-9797 mwysockey@thatcherfoundations.comZuhan Xi U.S. Nuclear Regulatory Commission 11555 Rockville Pike Rockville Maryland 20852 United States 301-415-1306 Zuhan.Xi@nrc.gov

Ming Xiao The Pennsylvania State UniversityDepartment of Civil and Environmental Engineering Sackett Building University Park Pennsylvania 16802 United States 8148658056 mxiao@engr.psu.edu

Suguang (Sean) Xiao Lehigh University 1 W Packer Ave Bethlehem 18015 United States 4847253891 sux211@lehigh.edu

Daping XIaoHelical Foundations (Beijing) Technology Co., Ltd

1 Chaoqian Road, Changping Tech-Park, Beijing Beijing Beijing 100013 China 861064517227 xiaodaping1234@sina.com

Sherry Xing Layne Christensen Company 6811 Ash Street Frisco Texas 75034 United States 972-247-6767 xiaohua.xing@layne.comBoqin XU the University of Texas at Austin 1515 WICKERSHAM LN APT 523 AUSTIN Texas 78741 United States 5129249816 xbq0924@gmail.comWayne Xu ANSHAN ZIZHU INT'L TRADING F16, Block C, Dashang Office Building Tiedong District Anshan Liaoning 114001 China 86-412-5911511 wayne@aszizhu.comYingwu Xu WorleyParsons 2675 Morgantown Road Reading Pennsylvania 19607 United States 610-855-3024 yingwu_xu@hotmail.comBoqin XU the University of Texas at Austin 1515 WICKERSHAM LN APT 523 AUSTIN Texas 78741 United States 5129249816 xbq0924@gmail.comThamer Yacoub Rocscience Inc 439 University Avenue Suite 780 Toronto Ontario M5G 1Y8 Canada 416 698 8217 thamer.yacoub@rocscience.comDusty Yahnke GuH USA, Inc. 206 Whitehead Lane Wentzville Missouri 63385 United States 6362628575 dusty.yahnke@guh-messtec.deMichihiko Yamamoto Mitsubishi Materials 11250 Slater Ave Fountain Valley California 92708 United States 704-838-8175 michi@mmc.co.jpYuichi Yamanaka Giken America 5770 Hoffner Ave Suite 101 Orlando Florida 32822 United States 407-380-3232 yamanak.y@giken.com

Jason Yancee American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-438-2626 jason@american-equipment.comRoberto Yanez University of Texas Pan-American 900 E. Vermont ave apartment 11101 Mcallen Texas 78503 United States 956-360-7505 Rryanez@broncs.utpa.eduXiaoming Yang Oklahoma State University 207 Engineering South Stillwater Oklahoma 74078 United States 405-744-5223 xmyang@okstate.eduYanxin Yang Arizona State University 1243 South Dorsy Lane,Apt.203 Tempe 85281 United States 4803321232 yanxin.yang@asu.eduCongpu Yao Parsons Brinckerhoff 401 B Street Ste1650 San Diego California 92101 United States 979-739-2044 congpu.yao@gmail.com

Jun Yao University of Wisconsin Madison1415 Engineering Drive 1217 Engineering Hall Madison Wisconsin 53706 United States 608-886-6499 jyao27@wisc.edu

Kyle Yarbrough CPS HOUSTON Channelview Texas kyle@cpshouston.netJustin Yard Gulf Coast Pre-Stress Partners, LTD. 494 N. Market Street Pass Christian Mississippi 39571 United States 2284529486 jyard@gcprestress.comRyan Yearwood Jeffrey Machine 3841 Industrial Drive Birmingham Alabama 35217 United States 205-841-8600 tphifer@jeffreymachine.comJason Yee Cal Poly Pomona 296 Maryville Dr. Walnut California 91789 United States 510-688-8688 jasonyee@cpp.edu

Mishac Yegian Northeastern University 401 Snell Engineering Center360 Huntington Avenue Boston Massachusetts 02115 United States 6173732448 m.yegian@neu.edu

Seungcheol Yeom Drexel University 3141 Chestnut ST Philadelphia Pennsylvania 19104 United States 2675677362 sy322@drexel.edu

Ronald Yeung California State Polytechnic University Civil Engineering Department3801 W. Temple Avenue Pomona California 91711 United States 9098692640 mryeung@cpp.edu

Irem Yildirim Fugro Consultants Fugro Consultants 6100 Hillcroft Street Tech Building Houston Texas 77081 United States 7133695437 iremzeynep@gmail.com

Samuel Yniesta UCLA 1280 Barry ave #3 Los Angeles California 90025 United States 4242004070 samuel.yniesta@ucla.edu

Sean Yoon Texas Dept. of Transportation 125 E. 11th Street Austin Austin Texas78701-2483 United States (512) 416-2183 sean.yoon@txdot.gov

Seiichi Yoshizawa Raito, Inc. 23595 Cabot Blvd Suite 106 Hayward California 94545 United States 510-259-9900 yoshis@raitoinc.comChristie Young Air Radiators P. O. Box 18309 Memphis Tennessee 38181 United States 901-359-2681 cyoung@airradiators.com

Ben Yu FES (China) Limited 1-403, No.71 Wenzhou Rd HangzhouZhejiang Prov 310015 China 86-571-28027060 fes@fes-cn.com

Xinbao Yu University of Texas at Arlington 416 Yates St. NH 429 Arlington Texas 76019 United States 817-272-1243 xinbao@uta.eduXiong Yu Case Western Reserve University 10900 Euclid Avenue, Bingham 206 Cleveland Ohio 44106 United States 216-368-6247 xxy21@case.eduJIE YUAN HONG XIANG TECHNOLOGIES RM1002, Building 16, AnHuiDongLi ChaoYang District Beijing Beijing 100101 China 8610 64812760 ryongli@vip.sina.com

Michael Yust Lafayette College Box 7642 Lafayette College 111 Quad Dr Easton Pennsylvania18042-1783 United States 8046980286 yustm@lafayette.edu

John Yusunas Hayward Baker 6115 Boulder Hwy Las Vegas Nevada 89122 United States 7026494466 jyusunas@haywardbaker.com

Nina Zabihi Pennsylvania State University

Civil & Environmental Engineering Department , The Pennsylvania State University, 216 Sackett Building University Park Pennsylvania 16803 United States 8147532317 nuz107@psu.edu

MD NUR BASIT ZAMAQN University of Texas at Arlington 604 Causley Ave Apt 106 Arlington Texas 76010 United States 682-401-8578 nurbasit01@gmail.comSiavash Zamiran Southern Illinois University 39B Cougar Dr Glen Carbon Illinois 62034 United States 6183344572 szamira@siue.eduDavid Zanchetta Berminghammer 600 Ferguson Ave N Hamilton Ontario United States 905-528-7924 dzanchetta@berminghammer.com

Mike (Zoogie) Zarnott Sterling Lumber Company 501 E. 151st Street Phoenix Illinois 60426 United States 7083882223 mikez@sterlinglumber.comMarek Zawierucha Con-Tech Systems 1832 University Commercial Place Charlotte South Carolina 28213 United States 704-494-3989 marek@contechsystems.comAllan Zdunich Pinnacle Drilling Products LP 5037 Still Creek Ave Burnaby BC V5C 5V1 Canada (604)678-8508 allan@pinnacledrilling.caLucille Zdunich Pinnacle Drilling Products LP 5037 Still Creek Ave Burnaby BC V5C5V1 Canada 604-729-8024 Lucille@pinnacledrilling.ca

Pinnacle Drilling Products LP 5037 Still Creek Ave Burnaby BC V5C5V1 Canada 604-729-8024 lucille@pinnacledrilling.caPinnacle Drilling Products LP 5037 Still Creek Ave Burnaby BC V5C5V1 Canada 604-729-8024 lucille@pinnacledrilling.ca

Ednali Zehavi SoilVision Systems 202- 640 Broadway Ave Saskatoon SK S7N 1A9 Canada 306-477-3324 ednali@soilvision.comKaveh Zehtab Geocomp Corporation 125 Nagog Park Acton Massachusetts 01720 United States (978) 893-1273 kzehtab@geocomp.comPavlos Zekkos University of Michigan 2350 Hayward Street Ann Arbor Michigan 48103 United States 7347640057 addazekk@umich.eduDimitrios Zekkos University of Michigan 2350 Hayward Str Ann Arbor Michigan 48109 United States 734-647-1843 zekkos@geoengineer.org

Brian Zelenko Parsons Brinckerhoff 1401 K Street, Suite 701 WashingtonDistrict of Columbia 20005 United States 202-661-5304 zelenko@pbworld.com

Benchen Zhang The University of Texas at Austin 1300 Crossing PL Apt 2233 Austin Texas 78741 United States 5124133686 zhangbenchen920312@163.comBo Zhang UNIVERSITY OF OKLAHOMA 202 West Boyd Street Room 334 Norman Oklahoma 73019 United States zhangbo@ou.edu

Limin ZhangGuangzhou HKUST Fok Ying Tung Research Institute N301 Software Building, Nansha IT Park Guangzhou

Guangdong 511400 China 00852 23588720 cezhangl@ust.hk

Xiong Zhang University of Alaska Fairbanks 306 Tanana Loop Fairbanks Alaska 99775 United States 907-474-6172 xzhang11@alaska.edu

Yi Zhao University of Arkansas UNIV OF ARKANSASOFF OF BUS AFFAIRS ADM 321 Fayetteville Arkansas 72701 United States 4793870312 yxz062@uark.edu

Yewei Zheng Univ. of California, San Diego 9500 Gilman Drive, MC 0085 SME, Room 443F La Jolla California 92093 United States 4053064397 y7zheng@ucsd.eduXianglei Zheng Arizona State University 1215 E Vista Del Cerro Dr. Apt 2069 Tempe Arizona 85281 United States 4807279805 xzheng49@asu.eduYun Zhou Alcoa 550 Rosecrest Dr. Monroeville Pennsylvania 15146 United States 412-553-1286 yun.zhou@alcoa.comMing Zhu Geosyntec Consultants 1255 Roberts Blvd NW, Suite 200 Kennesaw Georgia 30144 United States 6782029500 mzhu@geosyntec.com

Askar Zhussupbekov Kazakhstan Geotechnical Society

Eurasian National University, 5, Munaitpassov street, Geotechnical Institute, room 103 Astana

Kazakhstan 010008 Kazakhstan

+7-7172-35-37-40 astana-geostroi@mail.ru

Bill Ziadie APE/J&M 401 Hartle St. Sayreville New Jersey 08872 United States (732) 432-6604 billz@apevibro.com

Chad Zimmerman HDR Engineering Inc. 1020 N.E. Loop 410, Suite 400 San Antonio Texas78209-1223 United States 210-841-2842 chad.a.zimmerman@hdrinc.com

Thomas Zimmit RPI CNE Department 110 8th Street Troy New York 12180 United States 518-276-6939 zimmit@rpi.eduKaterina Ziotopoulou Virginia Tech 860 Plantation Road Apt. 303 Blacksburg Virginia 24060 United States 5402313934 katerina@vt.eduBrett Zitny Hayward Baker 530 Pinecroft Drive Roselle Illinois 60172 United States 6306752953 bzitny2@gmail.com

John Zito American Equipment & Fabricating / SOILMEC 100 Water Street East Providence Rhode Island 02914 United States 401-965-2638 j.zito@american-equipment.comGoran Zivkovic Le Monde Intl 206 Cummings Road Broussard Louisiana 70518 United States 337-837-9224 mike@hydro-ram.comAndrea Zoffoly GeoMisure PO Box 1983 Buellton California 93427 United States 805-693-8880 accounts@hennessyinternational.comJorge Zornberg The University of Texas at Austin 301 E. Dean Keeton Austin Texas 78712 United States 5122323595 zornberg@mail.utexas.edu

Lessn Zou FES (China) Limited 1-403, No.71 Wenzhou Rd HangzhouZhejiang Prov 310015 China 86-571-28027060 fes@fes-cn.com

Haifeng Zou University of Texas at Arlington 300 College Street, Apt. C Arlington Texas 76010 United States 8177156238 hzou@uta.eduRonald Zuern Hydaker-Wheatlake 420 S. Roth St. Reed City Michigan 49677 United States 231-245-6576 ronald_zuern@uscco.com

Joe Zwetchkenbaum Virginia Tech 17 Edgar St. Apt 2 Blacksburg Virginia 07901 United States 9736346159 zwetch@vt.eduBob Zwirtz Bolander 251 Starkey St St Paul Minnesota 55105 United States 651-224-6299 bzwirtz@bolander.com

eduardo-potino@alvarezitda.com