 | A. H. BECK FOUNDATION CO. INC. | | August H. Beck III |
| ACME PILING COMPANY | | Tom Tedesco |
| ADVANCED CONSTRUCTION TECHNIQUES INC. | | Adele R. Brady |
| ADVANCED GEOSOLUTIONS INC. (AGI) | | Juan I. Baez P.E., Ph.D. |
| AECOM USA INC. | | Aly Mohammad Ph.D., P.E. |
| AFCONS INFRASTRUCTURE LIMITED | | Vikas Kulkarni |
| AGL MANUFACTURING LTD. | | William Cheng |
| AGRA FOUNDATIONS LIMITED | | Derek Harris P. Eng. |
| AKER WIRTH GMBH | | Willi Schmitz |
| ALLNAMICS PILE TESTING EXPERTS BV | | Peter Middendorp M.Sc |
| ALLU GROUP | | Mardi Ohanessian |
| ALMITA PILING | | Richard Schmidt P.Eng. |
| AMEC - ENVIRONMENT & INFRASTRUCTURE | | Kirk A. McIntosh P.E. |
| AMERICAN DEEP FOUNDATION AND SHORING INC. | | David R. Johnson |
| AMERICAN EQUIPMENT & FABRICATING CORP. | | John Zito |
| ANCHOR SHORING & CAISSONS LTD. | | Dawn Tattle P.Eng. |
| ANDERSON DRILLING | | Mike Waldren |
| APE HOLLAND | | Laurens De Neef |
| APE/J&M | | Dan Collins |
| APILE FOUNDATION EQUIPMENT CO., LTD. | | Mingyou Yang |
| APPLIED FOUNDATION TESTING INC. | | Donald T. Robertson P.E. |
| ARUP | | Richard Prust MICE P. E. |
| ASSOCIATED PILE & FITTING | | Matthew E. Scerbak |
| ATLAS COPCO CMT CANADA | | Robert Renaud |
| ATLAS COPCO CONSTRUCTION MINING TECHNIQUE USA LLC | | Christina Fisher |
| ATLAS FOUNDATION COMPANY | | Mike Moeller |
| ATLAS TUBE | | Chris Ragan |
| ATS DRILLING LP | | Fred Shin |
| AVANTI INTERNATIONAL | | Daniel Magill |
| BALFOUR BEATTY GROUND ENGINEERING | | Tony P. Suckling Eur. Ing., Beng (Hons), MSc, C.Eng, FICE, FGS |
| BANSUK BASE E & C CO., LTD. | | Hyeong Rok Moon |
| BAROID INDUSTRIAL DRILLING PRODUCTS | | Julia Sammons |
| BAUER FOUNDATION CORP | | Chuck Puccini |
| BAUER FOUNDATIONS CANADA INC. | | John Theos |
| BAUER-PILECO INC. | | Dan Dragone |
| BAY SHORE SYSTEMS | | Jim Tippett |
| BEATY CONSTRUCTION INC. | | Dan Beaty |
| BEN C. GERWICK INC. | | Sam Yao P.E., Ph.D. |
| BENCOR CORPORATION OF AMERICA | | Giancarlo Santarelli |
| BERKEL & COMPANY CONTRACTORS INC. | | Alan Roach |
| BERMINGHAM FOUNDATION SOLUTIONS LIMITED | | Patrick Bermingham |
| BITTNER-SHEN CONSULTING ENGINEERS INC. | | Robert B. Bittner P.E. |
| BLACKHAWK FOUNDATION CO. INC. | | Ken Pippin |
| BOART LONGYEAR COMPANY | | Steve Bratton |
| BOH BROS. CONSTRUCTION CO. LLC | | Fred P. Fuchs |
| BO-MAC CONTRACTORS LTD | | Dan Brown |
| BRACKETT FOUNDATION SUPPORT SYSTEMS INC. | | John Boulware Jr. |
| BRASFOND FUNDAÇÕES ESPECIAIS S/A | | Dario Libano |
| BRAYMAN CONSTRUCTION CORPORATION | | Scott Dodds |
| BSM CONSULTING ENGINEERS | | Bill Marczewski Jr. P.E. |
| BSP INTERNATIONAL FOUNDATIONS LTD. | | David Redhead |
| BUIG CENTRALE STEENBERGEN BV | | Harry H. Steenbergen |
| BULLIVANT ARABIA LIMITED | | Elmer Celerio |
| BURTON SCOT CONTRACTORS | | Scot Paulitsch |
| C&M MFG. CO. INC. | | Curt Moore |
| C.J. MAHAN CONSTRUCTION COMPANY LLC | | Doug McCrae |
| C3 INTEGRATED SOLUTIONS INC. | | Rick Bongers P.Eng. |
| CAJUN DEEP FOUNDATIONS LLC | | Michael Moran |
| CAPPCO TUBULAR PRODUCTS | | Thomas P. Connor |
| CASAGRANDE S.p.A. | | Giuliano Feruglio |
| CASAGRANDE USA INC. | | William Birch |
| CASE ATLANTIC COMPANY | | Nigel Osborn C.Eng. |
| CASE FOUNDATION COMPANY | | Bob Schock |
| CATCO - COMPRESSIVE ANCHOR TECHNOLOGY, LLC | | Nancy Kucera |
| CEMENTATION SKANSKA | | Andrew Bell |
| CENTER ROCK INC. | | Christen Fisher |
| CETCO | | Randy Strickland |
| CGR s.r.l | | Alessandro Viotto |
| CHAMPION EQUIPMENT SALES LLC | | Vincent Jue |
| CHANG SHIN INTERNATIONAL CO. LTD. | | Chae-Goo Lee |
| CHEMGROUT, INC. | | Joe Schatz |
| CIPORT S.A. | | Rafael C. Miranda |
| CLARK FOUNDATIONS LLC | | Irvin J. Ragsdale P.E. |
| COASTAL DRILLING EAST LLC - (an SDI Company) | | Scott A. Kiger |
| COLORADO SCHOOL OF MINES / SPACE | | Melody Francisco |
| COMMERCE CONSTRUCTION CORPORATION | | Terry L. Zettle |
| COMPACTION GROUTING SERVICES, INC. | | Michael Miluski P.E. |
| CONDON-JOHNSON & ASSOCIATES INC. | | James O. Johnson |
| CONSOLIDATED PIPE AND SUPPLY | | Brian Rogers |
| CON-TECH SYSTEMS LTD. | | Horst Aschenbroich Dipl. Ing. |
| CORPAC STEEL PRODUCTS | | Bruce Spencer |
| CPS HOUSTON INC. | | Kyle Yarbrough |
| CRUX SUBSURFACE INC. | | Nick Salisbury |
| CZM FOUNDATION EQUIPMENT | | Barrett Rahn |
| D. J. SCHEFFLER INC. | | Dale Scheffler |
| DAHIL CORPORATION | | Ki Ho Kang |
| DAMWATCH SERVICES LTD | | Brendan Paul BE, DipBusAdmin |
| DAN BROWN AND ASSOCIATES, PC | | Dan Brown Ph.D., P.E., D.GE |
| DANBRO DISTRIBUTORS | | Frank D'Angelo |
| D'ANGELO BROS. INC. | | Stephen J. D'Angelo |
| D'APPOLONIA | | James L. Withiam P.E., Ph.D., D.GE |
| DAWSON CONSTRUCTION PLANT LTD. | | David Brown BEng (Hons), AMIMechE |
| DBM CONTRACTORS INC. | | Tom Armour P.E., D.GE |
| DEAN CONSTRUCTION CO. LTD. | | Marc Dean |
| DEEP FOUNDATIONS CONTRACTORS INC. | | Peter McDonald P. Eng. |
| DELTARES | | Frits Van Tol |
| DERRICK EQUIPMENT COMPANY | | Ben Clark |
| DEWITT CONSTRUCTION INC. | | A. Wayne Dewitt |
| DIESEKO GROUP BV | | Harry Van Der Starre |
| DIGGA NORTH AMERICA INC. | | Robert Hartsock M.E. |
| DOMINION PIPE AND PILING | | Rick Cable |
| DRILL ACADEMY LTD. | | Gordon Roxon |
| DRILLTOOLS, LLC | | Bo Steding |
| DSI UNDERGROUND SYSTEMS, INC | | Ronald Kurta Sr. |
| DYWIDAG-SYSTEMS INTERNATIONAL USA INC. | | Mike Kelley |
| E.E. CRUZ AND CO. INC. | | Edward Cruz P.E. |
| EARTHCORE SERVICES, LLC | | Rick Ketchell |
| EASTROCK INC. | | Chris Lavallee MBA |
| EBS ENGINEERING AND CONSTRUCTION LIMITED | | Dino Vito M.A.Sc. P. Eng. |
| EBSARY FOUNDATION CO. | | Scott A. Alfele |
| ECI EXPLOSIVE COMPACTION INC. | | David A. Ward |
| EDGEN MURRAY CORPORATION | | Michael Kelly |
| EL TAHHAN PILING CO. S.A.E. | | Hamdi Hamed El Tahhan P. Eng. |
| ELCO DRILLING CO. INC. | | Michael Ludwig |
| ELMERS | | Eric Sanborn |
| EMECA/SPE USA LLC | | Michael R. Jahnigen |
| ENVIROCON INC. | | Michael Fisher |
| EQUIPMENT CORPORATION OF AMERICA | | A. Roy Kern Jr. |
| ESSEX CRANE RENTAL CORP. | | William O'Rourke |
| FEDERAL HIGHWAY ADMINISTRATION | | Silas Nichols P.E. |
| FINNPILING OY | | Erkki Poyhonen |
| FISHER & STRICKLER ROCK ENGINEERING, LLC | | Balin Strickler PG |
| FOUNDATION CONSTRUCTORS INC. | | Mike Lindsay |
| FOUNDATION PILE, INC. | | Peter Brandl |
| FOUNDATION SPECIALTIES INC. | | Paul Gintonio |
| FOUNDATION SUPPORTWORKS INC. | | Dave Thrasher |
| FOUNDATION SYSTEMS OF NY | | Frank T. Scobbo |
| FOUNDATION TECHNOLOGIES INC. | | Frank Queen |
| FOUNDATION TESTING AND CONSULTING LLC | | William Casey Jones P.E., P.G. |
| FRANKI FOUNDATIONS BELGIUM | | Maurice Bottiau |
| FUDO CONSTRUCTION INC. | | Masaru Sakakibara |
| FUGRO CONSULTANTS INC. | | John T. Juenger P.E. |
| FUGRO INGENIEURSBUREAU bv | | Adriaan Van Seters M.Sc. |
| FUGRO LOADTEST ASIA PTE. LTD. | | Han Sen Khoo |
| G.M. McCROSSIN, INC. | | Russell Kohler P.E. |
| GANNETT FLEMING, INC. | | Paul J. Lewis P.E. |
| GEI CONSULTANTS INC. | | Michael P. Walker P.E. |
| GEO - GROUND ENGINEERING OPERATIONS LTD | | Jorge Correia |
| GEOCOMP CORPORATION | | Don Jacobs |
| GEODESIGN INC. | | Theodore Von Rosenvinge IV P.E. |
| GEO-FOUNDATIONS CONTRACTORS INC. | | Mark Montgomery P.Eng. |
| GEOFUNDACIONES S.A | | Mauricio Arango Lopez Eng. |
| GEO-GROUND ENGINEERING OPERATIONS INDIA PVT LTD | | Kamlesh Kumar Mishra P.Eng. |
| GEO-INSTRUMENTS, INC. | | Pierre Gouvin |
| GEOKON, INC. | | Tony Simmonds |
| GEOPIER FOUNDATION COMPANY INC. | | Kord Wissmann Ph.D., P.E., D.GE |
| GEOSCIENCES TESTING & RESEARCH INC. | | Les Chernauskas P.E. |
| GEOSONICS / VIBRA-TECH | | Douglas Rudenko |
| GEOSTABILIZATION INC | | Colby Barrett |
| GEOSTROY, ZAO | | Anatoly Osokin |
| GEOSTRUCTURES, INC. | | Edward S. O'Malley P.E. |
| GEOSUPPORT, INC. | | Wing Lam |
| GEOSYNTEC CONSULTANTS, INC. | | Terence P. Holman Ph.D., P.E. |
| GEOTECH SERVICES INC. | | Ray Tartabini |
| GERDAU | | David Maedgen |
| GIKEN AMERICA CORPORATION | | Takefumi Takuma |
| GIVENS INTERNATIONAL DRILLING SUPPLIES INC. | | Susie Givens |
| GMS PILING PRODUCTS LLC | | Gene Swindell |
| GOBLE PILETEST INC. | | George G. Goble P.E. |
| GOETTLE | | Douglas Keller P.E. |
| GPE INC. | | David K. Crapps P.E. |
| GRAHAM INDUSTRIAL SERVICES, a JV | | Russell Doig P. Eng. |
| GREGORY POOLE EQUIPMENT CO. - CATERPILLAR | | Zach Hilton |
| GRIP-TITE MFG. CO. LLC | | David M. Nicholl |
| GRL ENGINEERS INC. | | Patrick J. Hannigan M.S., P.E. |
| GROUND ENGINEERING CONSULTANTS INC. | | Sean Chiang Ph.D., P.E. |
| GROUND ENGINEERING CONTRACTORS (GEC) | | Parvez Naushahi |
| GROUP CONTRACTORS LLC. | | Kevin Gourgues |
| GROUT SYSTEMS INC. | | Tad Kellish |
| GRUPO NECS S.A. de C.V. | | Carlos San Roman P.Eng. |
| GUINTO SCHIRACK LLC | | Dale Scafaro |
| GWIN, DOBSON & FOREMAN, INC. | | Mark Glenn P.E. |
| GZA GEO ENVIRONMENTAL INC. | | Bradford W. Roberts P.E. |
| HALEY & ALDRICH INC. | | Damian Siebert P.E. |
| HAMMER & STEEL INC. | | Joseph Dittmeier |
| HAMZA ASSOCIATES | | Mamdouh Hamza Ph.D., P.E. |
| HARDMAN CONSTRUCTION INC. | | Todd Schrader |
| HAWAIIAN DREDGING CONSTRUCTION CO. | | Cedric Ota |
| HAYWARD BAKER, INC. | | Michael Grant P.E. |
| HAYWARD BAKER, INC. | | George K. Burke P.E., D.GE |
| HC MATCON INC. | | Martin Halliwell P. Eng. |
| HEFEI ZIKING STEEL PIPE INC. | | Shenwei Wang |
| HELICAL DRILLING INC. | | Rimas Veitas P.E. |
| HELLER AND JOHNSEN | | Lawrence F. Johnsen P.E. |
| HENNESSY INTERNATIONAL INC. | | John Hagfors |
| HERCULES MACHINERY CORP. | | Justin Reed |
| HIIG CONSTRUCTION | | Kevin Cunningham |
| HJ FOUNDATION COMPANY | | Frank J. Fonseca |
| HOLTE MANUFACTURING | | Rene Van Wolput |
| HONGXIANG TECHNOLOGIES | | Richard Li |
| HTM CONSTRUCTION COMPANY | | Christopher L. Todd P.E. |
| HUBBELL POWER SYSTEMS, INC. / CHANCE® | | Gary L. Seider P.E. |
| HUGHSON BARRIERS INC. | | Andrew Piasetzki |
| HYDRAULIC POWER SYSTEMS INC. | | Kurt N. Winters |
| HYDRO-RAM INC. | | Mike Songer |
| ICE® - INTERNATIONAL CONSTRUCTION EQUIPMENT INC. | | Pollyanna Cunningham |
| IDEAL FOUNDATION SYSTEMS | | Ben Stroyer |
| IHC EQUIPEMENTS ET SERVICES SAS | | Vincent Joannes |
| IHC FUNDEX EQUIPMENT B.V. | | R.P.M. (Reggie) Thomaes |
| IHC HYDROHAMMER B.V. | | Egbert Van 'T Hooft |
| ILLINI DRILLED FOUNDATIONS INC. | | Eric Reuther |
| INDEPENDENCE TUBE CORPORATION | | Dave Gast |
| INSTANTEL | | Ron Mask |
| INTERNATIONAL DRILLING EQUIPMENT | | Stephen Gazo |
| INTERPIPE INC. | | Steven Mathers |
| ISHERWOOD ASSOCIATES | | Brian Isherwood P. Eng., MICE |
| ITD CEMENTATION INDIA LIMITED | | Manish Kumar M.S. |
| J. FORTUNA CONSTRUCTORA S.R.L. | | Guarien Fortuna C.E. |
| J. T. CLEARY, INC. | | James T. Cleary P.E. |
| JACOBS ASSOCIATES | | Thomas Hennings P.E. |
| JAFEC USA, INC. | | Ronald Bane |
| JAPANPILE CORPORATION | | Yusuke Honma |
| JD FIELDS & COMPANY INC. | | J. Patrick Burk |
| JEFFREY MACHINE INC. | | Jeffrey R. Sager |
| JENNMAR | | Tim Avery P.E. |
| JET-DRIVE GENERAL MARINE CONTRACTING CO. INC. | | Richard Rivara |
| JINNINGS EQUIPMENT | | Scott Jinnings |
| JOHN V. DINAN ASSOCIATES INC. | | Stephen Leventis R.A. |
| JRW FOUNDATION SYSTEMS | | John R. Whittam Sr. |
| JUNTTAN OY | | Miika Eskelinen |
| KB INTERNATIONAL LLC | | Kenneth Goodhue |
| KELLER GROUND ENGINEERING INDIA PVT. LTD. | | Hari Krishna Yandamuri M.Tech |
| KELLY TRACTOR CO. | | Bruce G. Budd |
| KIE-CON INC. | | Allen Kung |
| KIEWIT INFRASTRUCTURE ENGINEERS | | James A. Morrison P.E. |
| KLEINFELDER | | Zia Zafir Ph.D., P.E., G.E. |
| KND ENGINEERING TECHNOLOGIES LIMITED | | Navzer Dadina |
| L.B. FOSTER COMPANY | | Donald L. Foster |
| L.G. BARCUS & SONS INC. | | Doug Barcus |
| LALLY PIPE AND TUBE (Div of L.B. Industries) | | James M. Mocker |
| LANDMARKER GEOSPATIAL LLC | | Thomas J. Frawley Jr. PLS |
| LANGAN ENGINEERING AND ENVIRONMENTAL SERVICES | | Rudolph P. Frizzi P.E., G.E., D.GE |
| LARSEN & TOUBRO LTD - L&T GEOSTRUCTURE | | Sree Rama Krishna Kalavacharla Ph.D. |
| LAYNE GEOCONSTRUCTION | | Romano Micciche |
| LEDCOR FOUNDATIONS | | Quentin Huillery P.Eng. |
| LIEBHERR NENZING CRANE CO. | | Wolfgang Herzog |
| LIM TECHNOLOGY INC. | | Pierre De Groulard Ph.D. |
| LIPE BROTHERS CONSTRUCTION | | David Sundberg |
| LIQUID EARTH SUPPORT | | Gilbert R. Tallard |
| LOADTEST | | John A. (Jack) Hayes P. Eng., D.I.C. |
| LONGFELLOW FOUNDATIONS INC. | | Jason Hoy |
| LUDWIG DRILLING INC. | | Michael S. Ludwig |
| MACLEAN POWER SYSTEMS CIVIL PRODUCTS GROUP | | Robert Tucker |
| MACRO ENTERPRISES LTD. | | George M. Morris P.E. |
| MAGNUM PIERING INC. | | Bernard Dwyer |
| MAGNUS PACIFIC CORPORATION | | Jeffrey Sallas |
| MAGNUS PACIFIC CORPORATION | | Louay Owaidat |
| MAIT S.p.A | | Greg Hefner |
| MALCOLM DRILLING CO. INC. | | Terry Tucker |
| MANITOWOC CRANES | | Tom Cioni |
| MARENCO LTD. | | Tony Cooper |
| MASON CONSTRUCTION LTD. | | David Hudson Ph.D. |
| MASSMAN CONSTRUCTION CO. | | H.J. Massman IV |
| MATCON EXCAVATION AND SHORING LTD. | | Stephen Jungaro |
| McKINNEY DRILLING COMPANY | | Neal Howard |
| McNALLY INTERNATIONAL INC. | | Jeff Starchuck |
| MENARD | | Seth L. Pearlman P.E., D.GE |
| MENCK GmbH | | Fabian Hippe Dipl.-Ing., MSCE |
| M-I SWACO HDD MINING & WATERWELL, A Schlumberger Company | | Mark Rebert |
| MICHELS FOUNDATIONS | | Jim Claeys |
| MIKROVAI OY | | Urjo Eskel |
| MKT MANUFACTURING INC. | | Harold Fry |
| MOFFATT & NICHOL | | Gerry Houlahan P.E. |
| MONOTUBE PILE CORPORATION | | Samuel J. Kosa P.E. |
| MORETRENCH | | Thomas Tuozzolo P.E. |
| MORPHY MAKOFSKY INC. | | Donald C. Makofsky Sr. P.E. |
| MORRISON ENGINEERS PLLC | | John T. Morrison |
| MORRIS-SHEA BRIDGE COMPANY INC. | | Richard J. Shea III |
| MOS GRONDMECHANICA B.V. | | Ruud L.B. Van Der Meel |
| MUESER RUTLEDGE CONSULTING ENGINEERS | | Roderic A. Ellman Jr. P.E. |
| MUNICON CONSULTANTS | | Barry Roth P.E. |
| NATIONAL PILING PRODUCTS | | Scott Tebben |
| NATIONAL RIG RENTAL, LLC | | Michael R. Jahnigen |
| NAYLOR PIPE CO. | | Michael Griffin |
| NEIDHARDT GRUNDBAU GmbH | | Herbert Neidhardt |
| NICHOLSON CONSTRUCTION COMPANY | | Thomas D. Richards Jr. P.E., D.GE |
| NORTH AMERICAN CONSTRUCTION GROUP | | James Humphries C.E.T., G.S.C. |
| NORTH AMERICAN PILE DRIVING INC. | | Gary Hamata P. Eng. |
| NORTHEAST REMSCO CONSTRUCTION, INC. | | Rolando Acosta Esq. |
| NORTHWEST PIPE COMPANY | | Tom Baas |
| NUCOR-YAMATO STEEL CO. | | Michael F. Engestrom |
| NVAF | | Henk De Koning |
| O.C.I. DIVISION / GLOBAL DRILLING SUPPLIERS INC. | | James W. Rupert |
| PACER CORPORATION | | Daniel Berg CET |
| PACIFIC FOUNDATION INC. | | Michael Zeman |
| PACIFIC SHORELINE CONSTRUCTION | | Stewart Kriegstein |
| PACO VENTURES LLC | | Brian Weller |
| PÅLANALYS AB | | Mattias GräVare |
| PALMETTO GUNITE CONSTRUCTION CO., INC. | | W.L. Snow |
| PB&A INC. | | Pirooz Barar S.E. |
| PENGO | | Dawn Jamison |
| PENNDRILL MANUFACTURING | | Denise Campbell |
| PETRIFOND FOUNDATION COMPANY | | Peter Paganuzzi P.E. |
| PIERESEARCH | | Stan Agee |
| PILE DYNAMICS INC. | | Garland E. Likins P.E. |
| PILEPRO | | Gerry Mc Shane P.E. |
| PILLORI ASSOCIATES | | Gregory Pillori P.E. |
| PILOTECMAR, S.A. | | Juan Carlos Benavente Eng. |
| PINNACLE DRILLING PRODUCTS LIMITED PARTNERSHIP | | Allan Zdunich |
| PIPE & PILING CONCRETE USA CO. | | Jack Dym |
| PJ's REBAR INC. | | Jeff Veilleux |
| PLAXIS BV | | Erwin Beernink |
| PND ENGINEERS INC. | | Charles Kenley P.E. |
| POSILLICO DRILLING | | Joseph D. Posillico III |
| POWER ENGINEERING CONTRACTORS INC. | | Ken Lindberg P.E. |
| POWER LIFT FOUNDATION REPAIR, INC. | | Bill McCown |
| PREMIUM TECHNICAL SERVICES | | Michael Melworm |
| PRO-DIG, LLC | | Michael Charlton |
| PROFOUND BV | | Angela Van Rietschoten BA |
| PSL NORTH AMERICA | | K. Kaye Linkenhoger MS, MBA |
| PTC | | Jean De Saint Julien |
| QUINN PILING LIMITED | | Adrian Quinn |
| R.W. CONKLIN STEEL SUPPLY INC. | | Douglas Belec |
| R.W. CONKLIN STEEL SUPPLY INC. | | Philip J. Conklin |
| RAITO INC. | | A.D. (Dave) Miller P.E. |
| RAM JACK FOUNDATION REPAIR | | Scott Erlewine |
| RAM JACK SYSTEMS | | Darin Willis P.E. |
| REMEDIAL CONSTRUCTION SERVICES, L.P. | | Chris McGhee |
| RITTER FOREST PRODUCTS | | Jessica Ritter Holmes |
| ROCK TECH USA | | Erik Lindstrom |
| ROCSCIENCE INC. | | Thamer Yacoub P.E., Ph.D. |
| ROGER BULLIVANT LIMITED | | John Patch |
| ROLL FORM GROUP | | Hal Mulveney |
| RST INSTRUMENTS LTD. | | Pierre Choquet P.Eng., Dr.-Eng. |
| RUSSO CORPORATION | | Ed Radford |
| RUUKKI CONSTRUCTION OY | | Hannu Jokiniemi |
| RWH ENGINEERING INC. | | Jason Weck M.E.Sc P.Eng |
| S.M. HENTGES & SONS INC. | | Quint McDermand |
| SANBORN | HEAD & ASSOCIATES, INC. | | Kevin P. Stetson P.E. |
| SAS STRESSTEEL INC. | | Felix E. Ferrer P.E. |
| SCHNABEL ENGINEERING | | Allen Cadden P.E. |
| SCHNABEL FOUNDATION COMPANY | | Matthew J. Niermann P.E. |
| SEAFCO PUBLIC COMPANY LIMITED | | Narong Thasnanipan |
| SESI CONSULTING ENGINEERS | | Kenneth Quazza P.E. |
| SHANNON & WILSON INC. | | Thomas M. Gurtowski P.E. |
| SHARP'S CONSTRUCTION SERVICES 2006 LTD. | | Kevin Sharp |
| SHORELINE FOUNDATION INC. | | James A. Royo |
| SHORELINE STEEL INC. | | Thomas Willey |
| SHORING ENGINEERS | | Jason Weinstein P.E. |
| SKANSKA USA CIVIL NORTHEAST | | Yat Keung Lam P.E. |
| SKYLINE STEEL LLC. | | David Borger P.E. |
| SOIL NAIL LAUNCHER INC. | | Colby E. Barrett E.I.T. |
| SOILMEC NORTH AMERICA | | John Zito |
| SOILMEC S.p.A. | | Marco Medaglia |
| SOILTEC S.A. | | Luis A. Castillo Eng. |
| SOLUCIONES GEOTÉCNICAS INTEGRALES, S.A. DE C.V. | | Gerardo Gallo Aguilar Sr. Eng. |
| SOUTHERN PRESSURE TREATERS’ ASSOCIATION | | Carl Johnson |
| SPECRETE-IP INCORPORATED | | John A. Anderson |
| STAR IRON WORKS | | Franklin T. Stockdale |
| STEELE FOUNDATION LLC | | J. Andrew Steele P.E. |
| STERLING LUMBER COMPANY | | Jason Bailey |
| STEVEN M. HAIN CO. INC. | | Steven M. Hain Sr. |
| STRESSTEEL | | Mike Pagano P.E. |
| STROER & GRAFF | | David L. Graff |
| SUBSTRUCTURE SUPPORT INC. | | Steve Neville |
| SUBSURFACE CONSTRUCTION COMPANY LLC | | Greg Sullivan P.E. |
| SUBSURFACE CONSTRUCTORS INC. | | Jeff Morgan |
| SUN PILEDRIVING EQUIPMENT L.L.C. | | Michael R. Jahnigen |
| SYNCHROPILE INC. | | Philip G. King P.E., D.GE, F.ASCE |
| T.O.P. DRILLING SUPPLY CO. | | Michael Ferko |
| TARRA ENGINEERING INC. | | Shahram Heidari P.Eng. |
| TBH & ASSOCIATES LLC | | Peter A. Tapio P.E. |
| TECNIWELL S.r.l. | | Cesare Melegari |
| TECNOSUELO SA DE CV | | Francisco Jose Blanco |
| TECTONIC ENGINEERING & SURVEYING CONSULTANTS P.C. | | Donald A. Benvie P.E. |
| TEI ROCK DRILLS INC. | | Susan Frank |
| TERRACON INTERNATIONAL B.V. | | Sikko Doornbos |
| TESTCONSULT LTD. | | Huw Williams |
| TEXAS SHAFTS, INC. | | Marshall "Bo" Walker |
| THATCHER ENGINEERING CORPORATION | | Michael H. Wysockey Ph.D., P.E. |
| THE GREAT LAKES CONSTRUCTION CO. | | Kurt Knapp P.E. |
| TRAYLOR BROS. INC. | | Christopher S. Traylor |
| TRC ENGINEERS INC. | | Melissa Gillespie P.E. |
| TREADWELL & ROLLO, A LANGAN COMPANY | | Richard D. Rodgers P.E., G.E. |
| TREVI S.p.A. | | Gianluigi Trevisani |
| TREVIICOS CORPORATION | | Mario Mauro |
| TRIAD METALS INTERNATIONAL | | Ed Brodsky |
| TRINITY PRODUCTS INC. | | Vincent J. Hasen |
| TROW ASSOCIATES INC. | | Stephen S.M. Cheng P. Eng. |
| UNDERPINNING & FOUNDATION SKANSKA INC. | | Edward Forte P.E. |
| URBAN FOUNDATION ENGINEERING, LLC | | Anthony J. Mazzo P.E. |
| URKKADA TECHNOLOGY LTD. | | Ameir Altaee Ph.D., P.Eng. |
| VACHRIS ENGINEERING P.C. | | Charles F. Vachris P.E. |
| VEIT & COMPANY INC. | | Eric Pederson P.E. |
| VIBROFLOTATION & GEOTECHNICAL NIGERIA LTD. | | Segun Ikugbonmire B.Sc., MNSE, MNIstruct.E |
| VULCAN FOUNDATION EQUIPMENT | | Jonathan Tremmier |
| W.R. GRACE & CO. | | Vincent Caserta |
| WAGSTAFF PILING PTY. LTD. | | John Wagstaff |
| WATSON INC. | | David Watson |
| WEEKS MARINE, INC. | | Jesse Ottesen |
| WEST SHORE CONSTRUCTORS LTD. | | Ed Milligan |
| WILLIAM F. LOFTUS ASSOCIATES FOUNDATION ENGINEERS | | William F. Loftus P.E., L.S., P.P. |
| WILLIAMS FORM ENGINEERING CORP. | | Thomas A. Printz P.E. |
| WILLOWSTICK TECHNOLOGIES | | Paul Rollins |
| WLH CONSTRUCTION COMPANY | | Warren Harrison P.E. |
| WURSTER ENGINEERING & CONSTRUCTION INC. | | Daryl Wurster P.E. |
| ZETAS ZEMIN TEKNOLOJISI A.S. | | Turan Durgunoglu P.E., Ph.D., F. ASCE |
| ZUEBLIN INC. | | Robert Graf |