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Representative Clients
USA Users International Users
Company City State Company City Country
Alaska DOT&PF/Statewide Materials Anchorage AK Institute of Seismology Tirane Albania
DOWL Engineers Anchorage AK Sherwood Geotechnical and Research Services corinda Australia
Golder Associates Inc. Anchorage AK GHD PTY, LTD. Melbourne Australia
Northern Geotechnical Engineering Anchorage AK McAce Technical Services Nassu Bahamas
State of Alaska DOT Anchorage AK Grameen Phone Ltd. Dhaka Bangladesh
Tryck Nyman Hayes, Inc. Anchorage AK Omni Construction Inc Maxwell Barbados
Vladimir Petrov Anchorage AK Adams Consulting International Inc. Welches Barbados
Civ-Tek Eielson AFB AK Cathie and Associates Diegem Belgium
Alaska DOT&PF-7 Mile Juneau AK CPS BELMONTE La Paz Bolivia
Alabama Power Company Birmingham AL nreg consultores La Paz Bolivia
BECC, Inc. Birmingham AL Gary Penn British Virgin Is. British Virgin Is.
Christy Cobb. Inc Birmingham AL OMNI(B) SDN BHD Bandar Seri Begawan Brunei
James Joyce Consulting Engineers Birmingham AL Terraprobe Design Ltd. Bramton Canada
PSI, Inc. Birmingham AL Versapole, Inc. Brossard Canada
QORE Property Sciences Birmingham AL AMEC Earth & Environmental, Ltd. Burnaby Canada
Russo Corporation Birmingham AL SRK Robinson, Inc. Burnaby Canada
SCS Engineers Birmingham AL SRK-Robinson Inc. Burnaby B.C. Canada
Southern Company and Its Affiliates Birmingham AL Bantrel Co. Calgary Canada
Robert T. Deal Decatur AL Primus Consulting Ltd Calgary Canada
Cottle Engineering, Inc. Gardendale AL Terracon Geotechnique Calgary Canada
ISSI UXO Inc. Huntsville AL UMA Engineering Ltd. Calgary, Canada
Carmichael Engineering Inc Montgomery AL Grandmont & Fils Ltee. Drummondville Canada
TTL, Inc. Montgomery AL ATCO Electric Edmonton Canada
F & W Construction Company, Inc. Ozark AL Laviolette Engineering Edmonton Canada
CPR Ingenieros Springville AL North American Caisson Edmonton Canada
TTL, Inc. Tuscaloosa AL Ptarmigan Engineering Ltd Edmonton Canada
GTS, Inc. Fayetteville AR GemTec Fredericton Canada
James L. Burke Fayetteville AR Ministry of Transportation Kamloops Canada
Newlin Consulting, P.A. Fort Smith AR Cullinane & Powell Kamloops, BC Canada
ASU College of Engineering Jonesboro AR Icanda Corporation Laval Canada
Anderson Engineering Consultants, Inc. Little Rock AR Labo S.M. inc. Longueuil Canada
Genesis Environmental Consulting, Inc. Little Rock AR Alston Assosiates Inc. Markham Canada
Western Technologies Flagstaff AZ Golder Associates Mississauga Canada
ATL, Inc. Phoenix AZ Isherwood Associates Mississauga Canada
Cortes Engineering Phoenix AZ Antoine Rocca Mont Royal Canada
Foree & Vann, Inc. Phoenix AZ CN Montreal Canada
Geo-Technologies, Inc. Phoenix AZ Golder Associes Ltee Montreal Canada
HDR Phoenix AZ Polytechnique of Montreal Montreal Canada
Western Technologies Inc. Phoenix AZ Qualitas Group Montreal Canada
South Pacific Geotechnical, Inc. QueenCreek AZ Saia, Deslauriers, Kadanoff Consulting Eng. Inc. Montreal Canada
GTI Scottsdale AZ Tecsult Inc. Montreal Canada
Ricker, Atkinson, Mc Bee&Assoc. Tempe AZ Levelton Consultants Ltd Nanaimo Canada
Grenier Engineering, Inc. Tucson AZ Aecon Constructors Newmarket Canada
NCS Consultants, LLC Tucson AZ Acres International Niagara Falls Canada
Pattison Evanoff Engineering Tucson AZ Golder Associates Ottawa Canada
Structech Tucson AZ Urkkada Technology Ltd Ottawa Canada
R & L Brosamer, Inc. Alamo CA Levelton Engineering Richmond Canada
P.T. Trocon Indah Perkasa Albany CA P. Machibroda Engineering Ltd. Saskatoon Canada
University of Southern California Alhambra CA Took Engineering Inc. Surrey Canada
Group Delta Consultants Aliso Viejo CA TBT Engineering Thunder Bay Canada
Purkis Engineering Aliso Viejo CA Morrison Hershfield Ltd Toronto Canada
Albus-Keefe & Associates Anaheim CA R.V. Anderson Associates Limited Toronto Canada
Baca Associates Anaheim CA Tarra Engineering Toronto Canada
C C Myers, Inc. Anaheim CA University of Windsor Windsor Canada
Giles Engineering Anaheim CA M. Block & Associates Ltd. Winnipeg Canada
Pool Engineering, Inc. Anaheim CA Manitoba Hydro Winnipeg Canada
Southern California Geotechnical, Inc. Anaheim CA Government of the Northwest Territories Yellowknife Canada
MTGL Anahiem CA MF Ingenieria de Fundaciones Santiago Chile
Drill Tech Drilling and Shoring, Inc. Antioch CA Shanghai Investigation, Design & Research Institute Shanghai China
Macintosh Engineering Auburn CA GREGORIO RENTERIA INGENIEROS S.A Bogota Colombia
Leighton & Associates Bakersfield CA Antonio Maria Merlano Y CIA Cartagena Colombia
Soils Engineering Inc. Bakersfield CA Universuty of Zagreb Zagreb Croatia
Marcell & Associates Banning CA starotrnjanska 16 a zagreb Crotia
FCI Constructors Benicia CA Themos Demetriou Nicosia Cyprus
Southland Geotechnical Bermuda Dunes CA Peng Hao Darmstadt Darmstadt
Mauricio Zeledon Big Creek CA Ingenieros Consultores, S.A. Santo Domingo Dominican Republic
John R. Byerly, Inc. Bloomington CA Laboratorios  Tlalli, SA de CV Tlalnepantle EDO DEMEXICO
SCS Engineers Brentwood CA AL HODA TRADING COMPANY CAIRO Egypt
Braun & Associates, Inc. Buellton CA Khater Cons. Off. Giza Egypt
MNS Engineers, Inc. Buellton CA Civitech Nasr City Egypt
Sladden Engineering Buena Park CA IMFICA, S.A DE C.V. SAN SALVADOR EL SALVADOR
Terry Hanser Camarillo CA R D G Engineering Warrington England
A.S. Associates Campbell CA SCC Viatek Ltd. Espoo Finland
West Valley Construction Co. Campbell CA Soletanche Bachy- Vibroflotation Aix en Provence France
Rajesh Shah Canoga Park CA Vibroflotation S. A. R. L. Eguilles France
DH Charles Engineering, Inc. Cardiff CA Saipem s.a. ST QUENTIN EN YVELINES France
EEI Carlsbad CA BOUYGUES BATIMENT INTERNATIONAL St QUENTIN YVELINES FRANCE
Evans, Colbaugh & Associates Carlsbad CA GEOTECON Berlin Germany
Geo Soils, Inc. Carlsbad CA CE-N Bochum Germany
Geosoils Inc. Carlsbad CA Arcadis Consult GmbH Freiberg Germany
Hetherington Engineering, Inc. Carlsbad CA BIUG GmbH Freiberg Germany
VE Solutions, Inc. Carmichael CA Menck GMBH Kaltenkirchen Germany
Construction Engineering Services Chino Hills CA Ingenieurbuero Oettingen Germany
Richard Kim Chino Hills CA Keller Grundbau GmbH Offenbach Germany
Empizo Engineering Consultants, Inc. Chula Vista CA Aristotle University of Thessaloniki 540 06 Thessaloniki Greece
Krazan and Associates. Clovis CA Edafos Ltd. Athens Greece
CHJ Inc. Colton CA Malios Associates Inc. Athens Greece
Soils Southwest Inc. Colton CA MP & Associates ATHENS Greece
Delphey Gerdes Engineering, Inc. Commerce CA PL Consulting Engineers Athens Greece
Condon-Johnson & Associates Compton CA S. Asproudas & Associates Athens Greece
Alan Horeis Structural Engineers, Inc. Concord CA GEO.PER. CONSULTING ENGINEERS S.A. GRETE GREECE
Hultgren - Tillis Engineers Concord CA Consolidated Contractors Company S.A.L Marousi Greece
Kiewit Concord CA GEOTECHNOLOGIKI SA Thermi Greece
Peter Jayn Concord CA Ground Structures Engineering Consultants Newtown Guyana
Stevens, Ferrone & Bailey Engineering Co, Inc. Concord CA XXXX Newtown Guyana
Drill Tech Corona CA Geotec, S. de R.L. San Pedro Sula Honduras
Pacific Soils Engineering, Inc. Corona CA J RENAN RIVERA F Tegucigalpa M.D.C. Honduras
Jerry Tucker & Associates, Inc. Costa Mesa CA GAFS Tegucigalpa M.D.C. Honduras
Petra Geotechnical Inc. Costa Mesa CA Ho & Lam Consulting Engineering 15 Queen Vicotria Street Hong Kong
Praad Geotech Culver City CA Nirma University of Science and Technology Ahmedabad INDIA
John Beightler Danville CA Indian Institute of technology Madras Chennai India
Kleinfelder Diamond Bar CA Engineers India Limited New Delhi India
Mohammed Hariri Diamond Bar CA National Institute of Ocean Technology Pallikaranai, India
AMCE Consultants Downey CA Research Center for Geotechnology - Bandung Indonesia
Schroeder Engineering Downey CA Soilens, PT Bandung Indonesia
Landmark Consultants El Centro CA P.T. Wijaya Kusuma Contractors Jakarta Indonesia
Southland Geotechnical, Inc. El Centro CA PT Perintis Geotekindo Jakarta Indonesia
Spurgeon Engineering El Cerrito CA PT. VIRAMA KARYA JAKARTA Indonesia
Sert Consulting Eldorado Hills CA Teddy Boen Konsultant Jakarta Indonesia
Benco Bridges Elk Grove CA PT. SAMUDRA TEKNINDO HYDRAUMATIC Jakarta Barat Indonesia
L.A. Design Group Encino CA PT. ALPHA RHO DELTA MEDAN Indonesia
Construction Testing and Engineering, Inc Escondido CA MyGeoteknik PEKANBARU-RIAU Indonesia
John H. Dailey Consulting Geotech Engineer Eureka CA Shiraz University Shiraz Iran
Luscombe-Green Associates Fair Oaks CA Mer & Co. Holon Israel
Dokken Engineering Folsom CA Arnon Rozen Engineering Ltd Kfar Jona Israel
HDR Folsom CA G. Y. A. Soil and Foundation Engineering, Ltd. Misgav Israel
DW Powell Construction, Inc. Fontana CA Soil Test Arezzo Italy
Wayne Ting & Assoicates,Ltd Fremont CA Politecnico di Bari Bari Italy
BSK Associates Fresno CA Studio Ing. Mario Chinni Bologna, BO Italy
California State University at Fresno Fresno CA ENSER srl Faenza Italy
The Twining Laboratories, Inc. Fresno CA Studio Geotechnico Ing. A. Lombardi Formia (LT) Italy
Sam Chaymouni Special Eng. Garden Grove CA G.E.R. SRL GENOVA Italy
Colich & Sons Gardena CA Studio di Geologia Applicata Maderno Italy
Allied Building Contractors Inc. Glendale CA A&T Consulting srl Pavia Italy
Coast Valley Testing, Inc. Goleta CA Ingegneri Associati Rome Italy
Sanders & Associates Granite Bay CA Mauro Battaglio - Geotechica Torino Italy
DLF Engineers and Constructors, Inc. Healdsburg CA A&K Geotechnical Engineering Turin Italy
Matt Stiefel Hemet CA HydroSoil S.r.l. Padovana Italy
TSR Engineering and Construction Corporation Highland CA Studio di geologia applicata Maderno Italy
Washington Group International Highland CA JGC corporation Yokohama Japan
AESCO Huntington Beach CA GIBB Africa Ltd Nairobi Kenya
Neblett & Associates Huntington Beach CA Daewoo Engineering and Constrcution Co, Ltd. Chung-gu Korea
GeoRox Engeering Irvine CA Hyundai Heavy Industries Co, Ltd.(BasisSoft) Dong-gu Korea
Geotechnical Solutions, Inc Irvine CA Koaca Inchon City Korea
Golder Associates, Inc Irvine CA Samjun Scientific Co. Ltd. Kwanak-Ku Korea
HDR Irvine CA CNG Softek Seocho-Gu Korea
Hushmand Associates,inc. Irvine CA Bu Kyoung Geo Consultant Co. Seoul Korea
KPFF Irvine Irvine CA BYUCKSAN Engineering Company Seoul Korea
Layne Christensen Irvine CA CNG Softek Co. (Jin Young Eng. & Consultants Co.Ltd) Seoul Korea
Leighton & Associates, Inc. Irvine CA GS Engineering & Construction Co. Ltd Seoul Korea
Silverado Constructors Irvine CA Hanjin Heavy Industries & Construction Co. Seoul Korea
Toro International Irvine CA SK Engineering & Construction Co. Ltd. Seoul Korea
Vibroflotation Irvine CA Hanbat National University (Basis Soft) Yusung-gu Korea
Washington Infrastructure Services, Inc. Irvine CA Shore-Tek Farwaniya Kuwait
Land Marine Geotechnics (Engeo) Lafayett CA Ahmadiah Contracting & Trading Kuwait Kuwait
Mountain Pacific, Inc. Laguna Beach CA Ghannam & Al-Sayegh Co. Kuwait Kuwait
David H. Lee & Associates, Inc. Laguna Hills CA Kuwait Foundation Gen. Trdg. & Cont. Est. Kuwait Kuwait
GEOBASE Laguna Hills CA Kuwait University Kuwait Kuwait
KCJ Engineering, Inc. Laguna Hills CA Lao Transport Engineering Consult Vientiane Lao
Lejman Geotechnical Group Laguna Hills CA American University of Beirut Beirut Lebanon
DeLeon Engineering Lakeport CA Consultancy Group Company Beirut Lebanon
Ruzicka Associates Lakeport CA Dar AL-Handasah Beirut Lebanon
Anderson Drilling Lakeside CA Soils & Foundation Engineers Beirut Lebanon
Lotus Consulting Engineering, Inc Languna Hill CA Promac SE Design & Consultants Macau Macau
Professional Geotechnical Consultants, Inc Lebac CA Keller Ground Engineering Ipoh Garden Malasia
C. S. Stewart Associates/Construction Lincoln CA Soil & Rock Engineering Kuala Lumpur Malasia
Korbmacher Engeineering Livermore CA K. S. Engineering Consultant Kota Kinabalu Malaysia
Schneider livermore CA Soil & Slope Sdn Bhd No 1 Jln SS20/27 Malaysia
Terrasearch, inc Livermore CA Jurutera Perunding Maju Petaling Jaya Malaysia
Associated Soils Engineering Long Beach CA Hasrat Sedaya Sdn Bhd Puchong Malaysia
Carl Eklund Long Beach CA Fujikura Ltd Shah Alam Malaysia
City of Long Beach Long Beach CA Ingenieria Geotecnologica De Mexico SA Mexico D.F. Maxico
Professional Service Industies, Inc (PSI) Long Beach CA Sabma Ingenieria, S.A de C.V Coyoacan Mexico
Twining Laboratories Long Beach CA FUERTE Ingenieros Consultores SA de CV Ecatepec Mexico
NorCal Engineering Los Alamitos CA Boris Simpser Mexico City Mexico
California State University at Los Angeles Los Angeles CA Ingenieros Civiles Y Geotecnicos De Mexico Sa de Cv Mexico D.F. Mexico
HDR Los Angeles CA Ing. Antonio Sifuentes Mexio City Mexico
INCA Engineers Los Angeles CA PROMICOM S.A. DE C.V. MIGUEL HIDALGO Mexico
KPFF Consulting Engineers Los Angeles CA Comision Federal De Electricdad Nochebuena Mexico
Lee & Lee Structural Engineering Inc. Los Angeles CA Secretary, Committee for Quality Control of Highrise Building Projects Yangon Myanmar
MACTEC, INC Los Angeles CA SP&CC St. Maarten Netherlands Antilles
Pioneer Soils Engineering Los Angeles CA Fraser Geologics Ltd Auckland New Zealand
SGH CONSULTING SERVICES LOS ANGELES CA Golder Associates (NZ) Ltd Auckland New Zealand
URS Los Angeles CA Harrison Grierson Consultants Limited Auckland New Zealand
Los Angeles Department of Building and Safety Los Angles CA Maunsell Ltd. Auckland New Zealand
Praad Geotechnical Inc Los Angles CA Opus International Consultants Auckland New Zealand
Charles I. Rauw, Consulting Engineers Martinez CA Soil & Rock Consultants Auckland New Zealand
Spencer Engineering McKinleyville CA Tonkin & Taylor Ltd. Auckland New Zealand
Paul Fontaine Menlo Park CA Opus International Consultants Christchurch New Zealand
Geomatrix Consultants, Inc. Mesa CA Land Development & Exploration Ltd Gisborne New Zealand
Herzog Geotechnical Mill Valley CA Opus International Consultants Ltd Hamilton New Zealand
CH2M Hill Mission Viejo CA GHD Limited Manukau City New Zealand
South Orange County Community College Mission Viejo CA Sanz Consultants Limited New Plymouth New Zealand
Tri/Con Engineering, Inc. Monrovia CA Foundation Engineering Remuera New Zealand
Holmes Enterprises, Inc. Moorpark CA MWH Ltd Richmond New Zealand
Hydro-Geo Consultants Mountain View CA MWH New Zealand Ltd. Richmond New Zealand
Jo Crosby Associates Mountain View CA Connell Wagner Sulphur Point New Zealand
Petra Geotechnical Murrieta CA Connell Wagner Wellington New Zealand
Caltrans, Trancas Interchange Project Napa CA Opus International Consultants Wellington New Zealand
Calex Engineering Company Newhall CA Tonkin & Taylor Ltd. Wellington New Zealand
AQX Engineering Inc. Newport Beach CA Connell McPherson Wellington New Zealand
Boyle Engineering Newport Beach CA GeoProbing Technology Ladehammerkaia Norway
Converse Consultants North Highlands CA