Commercial links (surveys, hardware, software)
AB GEOTECHNICS LTD Lanarkshire, Scotland
Accurate Locators Gold Hill, OR USA
AES International Inc.  surveys, Menlo Park, CA USA
Allied Asscociates Geophysical equipment sales and rentals, UK, Germany, Belgium
All Water Technology Ltd Devon, UK and Hong Kong
Alpha Geoscience Sydney, Australia
American Geological Services Inc. surveys, CA, CO, HI, VA USA
Aperio surveys, Cambridge, UK
Applied Professional Services Inc. surveys, Portland, OR USA
Applied Radar Inc. Watertown, MA USA
Applied Solutions Group StrataScan systems, Murfreesboro, TN USA
Archaeo-Physics services Minneapolis, MN, USA
BAE Systems San Diego, CA CO OH MO VA NE USA
Bay Geophysical MI, USA
BSI Boston, MA, USA
(Benedetti Paolo & C. S.n.c. Italy)
Blackhawk Geometrics Inc. surveys, Golden, CO USA
Buro fur Geophysik Lorenz surveys, Berlin, Germany
R.T.Clark Co.   1-405-751-9696, fax 1-405-751-6711 used GPR equipment OK, USA
Coleman Research Corporation DIGS mine detector system, Orlando, FL USA
Concrete Science surveys
Crawford and Associates Geophysical Services Bowling Green, KY USA
Cray/Silicon Graphics modeling
Cruzio Kerns ?
(Cyberdynamics, Inc. )
Davidse & Associates surveys, Phoenix, AZ and Cary, NC USA
DeepLook
Dell's GeoRadar Systems Systems, Haines City, FL USA
DETECTION SOLUTIONS Auckland, New Zealand
DeVoe &Mathews Ft. Walton Beach, FL USA
Dolphin Geophysical Services Menlo Park, CA USA
Dong-A Geological Co., Ltd. surveys, Korea
ELTA Electronics Industries L.T.D.systems, Israel
Emrad Ltd. Pipehawk systems, UK
ENEA Italy
ENSCO surveys, Springfield, VA USA
Envirodirectory USA
Enviroscan Inc. surveys, Lancaster, PA USA
EPOS IZMIRAN GROT systems, Moscow, Russia
ERA Technology Ltd systems, UK
Exploration Instruments LLC equipment rental, (formerly J.D. Fett) Austin, TX, USA
Farr Research, Inc. Albuquerque, NM USA
Flemming Barlach
Future GPR Gold Hill, OR USA
Gantt Environmental Technologies services Farmington Hills, MI USA
General Engineering Geophysics LLC services, Charleston, SC USA
GeoForensics International services, Lakewood, CO USA
Geo-Graf, Inc. surveys, Kennett Square, PA USA
GeoHires services UK, Germany, Singapore
Geo Instruments Pty Ltd equipment rental and sales, Sydney, Australia
Geologick Prague, Czechoslovakia
GeoModel, Inc. surveys, Leesburg, VA and Orlando, FL USA
Geophex, Ltd. surveys, Raleigh, NC USA
Geophysical Institute of Israel
Geophysical Survey Systems Inc. short pulse, time domain systems, NH USA Archaeology
    Geophysical Survey Systems Inc. Member Oyo Group
    13 Klein Drive
    North Salem, NH 03073 USA
    Ph:   (603)893-1109 
    Fax: (603)889-3984 
    Email: sales@geophysical.com
Geophysics Discussion Forum (GeoServices International Ltd) UK
Geophysics GPR International surveys, Longueuil, Quebec Canada
GeoPhysix surveys, Norway
GeoPotential Gresham, Oregon USA
Georadar Inc frequency domain systems, CA USA
Georadar France
Georadar Italy
GeoRadaar Services Internet Inc. Quebec, Canada
Geo-Sense Israel
Geo-Services International (UK) Ltd surveys, UK
GEOSIGMA surveys, Uppsala, Sweden
GeoSpec, LLC surveys, LA, USA
Geosphere Inc. surveys, Midland, MI & Miami, FL USA
GeoTDR Time Domain Reflectometery, TDR, Apple Valley, MN USA
GEOTEC surveys, Dublin, Ireland
GEOVATION surveys, FL NY USA
Geoview Inc. surveys, FL USA
GEOVision surveys, Corona, CA USA
GeoWork surveys, Sweden
Geozondas Ltd. Lithuania
GISCO equipment rental, Minneapolis, MN USA
GOLDER GEOPHYSICS Toolbox - Ground Penetrating Radar UK Canada USA
GRADAR surveys, Italy and Sweden
Ground Penetrating Radar surveys, Leesburg, VA USA
GroundSearch (NZ) Ltd surveys, New Zealand
Groundvue UTSI Electronics UK
Hager-Richter Geoscience surveys, Salem, NH USA
H. Cronau GmbH surveys, Homburg, Germany
IDS - Ingegneria Dei Sistemi systems, Italy
IGG Services (P) Ltd surveys New Delhi, India
IMC Group Nottinghamshire UK
Impulse Geophysics Bedford, UK
INFRASENSE, Inc. surveys, Arlington, MA USA
Institute for Defense Analyses Alexandria, VA USA
INTARI surveys, St. Petersburg, Russia
International Center of Technological Cooperation GROT, Russia
Interpex Inc. software, Golden, CO USA
ISS International surveys, South Africa
Jaycor systems, San Diego, CA USA
J R Associates- Radar surveys, CA USA
juggy.com 1-713-829-8277 used GPR equipment TX, USA
K.D. Jones Instruments equipment rental, Normangee, TX USA
Kentech Instruments avalanche pulsers, UK
Lauth & Partner Sanierungstechnik Germany
Longbore EMRAD rep, USA
Lyle Environmental Management Inc. USA
Mala Geoscience short pulse, time domain systems, Sweden
    MALÅ GeoScience                             MALÅ GeoScience USA Inc.
    Skolgatan 11                                        2040  Savage Road
    S-930 70 MALÅ  SWEDEN               Charlestown, SC  29416 U.S.A
    Telephone: +46 953 34550                  Telephone: 1-843-852-5021
    Facsimile:  +46 953 34567                    Facsimile:   1-843-769-7397
    eMail: sales@malags.se                         eMail: sales.usa@malags.se
Mark & Vatten Ingenjörerna AB surveys, Sweden
James E. Marr Associates (Canada) Ltd. surveys, Canada
Martel Labs surveys, USA
Metratek Inc. systems and surveys, Fairfax, VA USA
Metsurveys UK
Microgeophysics Corp. surveys, Wheatridge, CO USA
Mid-Atlantic Geosciences LLC surveys Mount Holly, NJ and Centreville, MD USA
MINERAD FM-CW systems, Capetown, South Africa
Naeva Geophysics surveys, NY & VA USA
NGPRS Wisconsin USA
NGWA Surface Geophysical Testing Directory USA
Northeast Geophysical Survices surveys, Bangor, ME USA
Northwest Geophysical Associates Corvallis, OR USA
Olson Engineering surveys Wheat Ridge, CO USA
Parallel Geoscience Corporation Seismic Processing Workshop for GPR, Long Creek, OR USA
Patriot Scientific Corporation systems, San Diego, CA USA
Pipe Hawk Australia
PMG surveys, Italy
Power Spectra, Inc systems, Sunnyvale, CA USA
Poynting Innovations (Pty) Ltd. modeling, South Africa
PRISM Australia Pty. Ltd. surveys, Western Australia
PSI surveys, USA
Radar Data Service surveys
Radar Geoservizi surveys, Torino, Italy
Radarscan Inc. surveys, Calgary, Alberta Canada
Radar Solutions International surveys, Waltham, MA USA
Radar Systems, Inc. systems, Riga, Latvia
Radarteam Sweden AB antenna systems, Boden, Sweden
RAMBØLL Denmark
Reynolds Geosciences Ltd. Flintshire, UK
RGW Mark & Dataprojektering AB Sweden
Road Radar Ltd. highway surveys and systems, Edmonton, Alberta Canada
Rock Creek Geophysics surveys, Portland, OR USA
RockWare, Inc. - Earth Science Software Solutions Golden, CO USA
Russian Technology Transfer Center Mobile Ground Radar (MGR) Russia
Sandberg - Consulting Engineers surveys London, UK
Sandmeier Scientific Software Karlsruhe, Germany
SATIMO systems, France
Schlumberger StreetLOG surveys, King of Prussia, PA USA
Searchwell systems, Cambridge, UK
SensOre Services Pty Ltd Australia
Sensors & Software Inc short pulse, time domain systems, Canada
    1040 Stacey Court
    Mississauga, ON L4W 2X8 Canada
    Phone: (905) 624-8909     Toll free Canada & USA: (800) 267-6013
    Fax: (905) 624-9365        
    e-mail: sales@sensoft.ca
SOGEST surveys, Trieste, Italy
Spectrum ESI surveys, CA USA
SRI International SRI International SRI International Menlo Park, CA USA
Stolar Horizon coal mapping Raton, NM USA
Subsurface Geotechnical Surveys Worcester, UK
Sub-Surface Informational Surveys, Inc. CT, USA
Subtronic surveys
Surface Search Inc. surveys, Calgary, Alberta, Canada
Tecno In surveys, Italy
Technos Inc surveys, Miami, FL USA
Terracon surveys, Lenexa, KS USA
TerraDat surveys, UK and Australia
Terraplus equipment rental and sales, Littleton, CO USA and Ontario, Canada
TestConsult Ltd surveys, UK
Time Domain Inc systems, Huntsville, AL USA
TOIKKA oy systems, Espoo, Finland
Tojo-Vikas International New Delhi, India
Transnational Treasure Hunting Net
Transport Research Laboratory UK
Trionics portable marine radar for tornado chasers Webster, TX USA
TUEV Nord e.V. Hamburg, Germany
UltraWideband Working Group
Underground Construction
Umweltberatung Altmeppen
USRadar Goodman SAR
US Radar Inc LaBarca SPRScan
US Radar, Inc. Decater, IL Speed
Underspace Electronic Exhibit Hall - Locating Instruments
UTSI Electronics manufacturer UK
Vectra France
Vermeer Manufacturing Company HDD utility location equipment Pella, IA USA
WALNUT Japan
Witten Technologies surveys, Boston, MA USA
Woodside Partnership Ltd surveys, Essex, UK
worksmart, inc.