| ACCELEWARE | GEOKINETICS | R.T. CLARK COMPANY, INC. |
| ADVANCED GEODETIC SURVEYS | GEOLOGIC SYSTEMS LTD. | RACOTECH GEOPHYSICAL INSTRUMENTS CO., LTD. |
| ADVANCED GEOPHYSICAL TECHNOLOGY INC. | GEOMAGE 2003 LTD | READ WIRELINE SERVICES |
| ADVANCED GEOSCIENCES, INC. | GEO-MICROBIAL TECHNOLOGIES (GMT) | REMOTE MD |
| ADVANCED LOGIC TECHNOLOGY (ALT) | GEOMODELING TECHNOLOGY CORP. | REPSOL USA |
| ADVANCED SEISMIC TECHNOLOGIES | GEONICS LIMITED | RESEARCH PARTNERSHIP TO SECURE ENERGY FOR AMERICA (RPSEA) |
| AEROGEOPHYSICA INC. (AGP) | GEOPHYSICAL ARCHAEOMETRY LABORATORY INC. | RESOLVE GEOSCIENCES, INC. |
| AEROQUEST INTERNATIONAL LIMITED | GEOPRO GMBH | RHEINMETALL DEFENCE ELECTRONICS GMBH |
| ALLIED GEOPHYSICAL LAB UNIVERSITY OF HOUSTON | GEOSOFT, INC. | ROLLS ROYCE MARINE AS |
| ALTUS POSITIONING SYSTEM | GEOSTUFF | ROXAR |
| AMAX INFORMATION TECHNOLOGIES | GEOSVIP | RPS |
| AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS | GEOTECH, LTD. | RSI |
| AMERICAN GEOPHYSICAL UNION | GEOTOMO LLC | RXT |
| AMPHENOL FIBER SYSTEMS INT'L | GEOTRACE | SANDER GEOPHYSICS |
| AMPHENOL STEWARD ENTERPRISES | GEOVISTA | SAUDI ARAMCO |
| ANCAP (URUGUAY) | GETECH | SAUER COMPRESSORS USA |
| ANH - COLOMBIA | GLOBAL GEOPHYSICAL SERVICES, INC. | SCHLUMBERGER |
| APEX HIPOINT LLC/STERLING SERVICES, LTD. | GLOBE CLARITAS - GNS SCIENCE | SCHLUMBERGER (OCEAN) |
| APEX SPECTRAL TECHNOLOGY, INC. | GUANJIAYING FLANGE FORGING COMPANY | SCHLUMBERGER--CAREER PLACEMENT AREA |
| APPLIED ACOUSTIC ENGINEERING, LTD. | GURALP SYSTEMS LTD. | SCINTREX |
| ARCIS CORPORATION | HALLIBURTON | SCM E&P SOLUTIONS, INC. |
| ARISTA NETWORKS | HART ENERGY | SDI (SYSTEM DEVELOPMENT, INC.) |
| ARK CLS | HEADWAVE, INC. | SEABIRD EXPLORATION |
| ARKEX LIMITED | HERIOT-WATT UNIVERSITY | SEAMAP PTE LTD |
| ASSOC OF GEOPHYSICISTS /ENVIRONMENTALISTS OF SERBIA | HESS CORPORATION--CAREER PLACEMENT AREA | SEAMAP U.K. LIMITED |
| ATLAS COPCO | HISPEC RESEARCH CORP. | SEG PAVIILION - GLOBAL RELATIONS |
| ATLAS FLUID CONTROLS CORPORATION | HITACHI DATA SYSTEMS | SEG PAVILION - PUBLICATIONS |
| AUSTRALIAN SOCIETY OF EXPLORATION GEOPHYSICISTS | HMS ENTERPRISES | SEG PAVILION - DVD ROM SALES - PROFESSIONAL DEVELOPMENT |
| AVALON SCIENCES LTD. | HONYE MACHINE CO., LTD. | SEG PAVILION - FIELD CAMPS |
| AVERE SYSTEMS | HP | SEG PAVILION - FOUNDATION |
| BAKER HUGHES | HUNT OIL COMPANY | SEG PAVILION - GEOSCIENTISTS WITHOUT BORDERS |
| BAKERCORP | HYDROSCIENCE TECHNOLOGIES, INC. | SEG PAVILION - PROFESSIONAL DEVELOPMENT |
| BAODING BEIAO SPECIAL VEHICLE MANUFACTURING CO., LTD. | IHRDC | SEG PAVILION - SEAM CORP AND SEG RESEARCH |
| BARO MEK VERKSTED AS | IHS | SEG PAVILION -HISTORICAL PRESERVATION |
| BEIJING GEOSTAR SCIENCES & TECHNOLOGY CO., LTD. | IKON MINING & EXPLORATION | SEG PAVILION-INFORMATION AND MEMBER SERVICES |
| BELL GEOSPACE, INC. | IKON SCIENCE | SEG PAVILION--UNIVERSITY AND STUDENT PROGRAMS |
| BELTWAY SEISMIC, INC. | IMATION CORP | SEISMIC EQUIPMENT SOLUTIONS, LP |
| BGP | INDUSTRIAL VEHICLES INTERNATIONAL, INC. | SEISMIC EXCHANGE, INC. |
| BGP INC. - CAREER PLACEMENT AREA | INOVA GEOPHYSICAL | SEISMIC INSTRUMENTS, INC. |
| BIRD GEOPHYSICAL | INOVA HEAVY EQIPMENT | SEISMIC MICRO-TECHNOLOGY, INC. (SMT) |
| BLUEARC | INSTITUTE OF MULTI COMPONENT | SEISMIC SOURCE CO |
| BLUEBACK RESERVOIR AS | INT, INC. | SEISMIC STUFF TECHNOLOGY PTE. LTD. |
| BOLT TECHNOLOGY CORPORATION | INTEGRATED GEOPHYSICS CORPORATION | SEISMICCITY, INC. |
| BOONE EXPLORATION, INC. | INTERNATIONAL ASSOCIATION OF GEOPHYSICAL CONTRACTORS (IAGC) | SEISWARE, INC. |
| BP -- CAREER PLACEMENT AREA | INTREPID GEOPHYSICS | SENSOR TECHNOLOGY LTD. |
| BRAZILIAN GEOPHYSICAL SOCIETY SBGF | ION GEOPHYSICAL CORPORATION(R) | SERCEL |
| CENTER FOR SUBSURFACE IMAGING AND MODELING (CSIM) CONSORTIUM | ISEIS -- INTERNATIONAL SEISMIC COMPANY | SERDP / ESTCP |
| CGG VERITAS (CORPORATE) | ISYS-THE IMAGING SYSTEMS GROUP, INC. | SEVERN MARINE TECHNOLOGIES LLC |
| CGGVERITAS | JAGUAR EXPLORATION, INC. | SEVMORNEFTEGEOFIZIKA (SMNG) |
| CGGVERITAS - CAREER PLACEMENT AREA | JANICE EVERT OPALS | SHARP REFLECTIONS |
| CHALLENGER GEOINSTRUMENTS, LTD. | JULIAN A MCDERMOTT | SHELL OIL COMPANY--CAREER PLACEMENT AREA |
| CHEMOSTRAT | KADME | SIGMA³ INTEGRATED RESERVOIR SOLUTIONS |
| CHEVRON CORPORATION - CAREER PLACEMENT AREA | KELMAN TECHNOLOGIES INC. | SILICON AUDIO INC. |
| CNPC GEOPHYSICAL KEY LABAORATORY, CHINA UNIVERSITY OF PETROLEUM | KEMLON PRODUCTS & DEVELOPMENT | SIMON BOLIVAR UNIVERSITY |
| COLOMBIAN ASSOCIATION OF PETROLEUM GEOLOGISTS AND GEOPHYSICISTS - ACGGP | KMS TECHNOLOGIES | SINO GEOPHYSICAL CO., LTD. |
| COLORADO SCHOOL OF MINES | KONGSBERG | SINOPEC GEOPHYSICAL RESEARCH INSTITUTE |
| CONNECTOR TECHNOLOGY INC. | KUWAIT OIL COMPANY | SOCIETY OF EXPLORATION GEOPHYSICISTS OF JAPAN (SEGJ) |
| CORPORATE MONTAGE | LAB OF INTEGRATION OF GEOLOGY AND GEOPHYSICS (CONSORTIUM) | SOCIETY OF PETROLEUM GEOPHYSICISTS INDIA |
| CRAY INC. | LANDOCEAN ENERGY SERVICE CO., LTD. | SOCIETY OF PETROLEUM ENGINEERS |
| CRESCENT GEO LLC | LANDTECH ENTERPRISES SA | SOLARFLARE |
| CREWES / THE UNIVERSITY OF CALGARY | LARSON SOFTWARE TECHNOLOGY, INC. | SONARDYNE |
| CYRUS ONE | LEOBERSDORFER MASCHINENFABRIK GMBH & CO. KG | SPARTON NAVIGATION & EXPLORATION |
| DATA FOUNDRY, INC. | LONNE SCANDINAVIA AS | SPATIAL ENERGY |
| DATADIRECT NETWORKS | LUMINA GEOPHYSICAL, LLC | SPECTRASEIS |
| DAVEY BICKFORD USA, INC. | LYNX INFORMATION SYSTEMS, INC. | SPECTRUM GEO INC. |
| DAWSON GEOPHYSICAL COMPANY | MACHA INTERNATIONAL INC | STATOIL ASA |
| DE REGT MARINE CABLES BV | MACKAY AND INMARSAT | STATOIL ASA CAREER PLACEMENT |
| DECO GEOPHYSICAL SC | MARATHON OIL CORPORATION CAREER PLACEMENT | STERLING SEISMIC SERVICES LTD. |
| DELFT UNIVERSITY OF TECHNOLOGY-DELPHI CONSORTIUM | MARINE MAGNETICS | STINGRAY GEOPHYSICAL LIMITED |
| DELOITTE - PETROLEUM SERVICES GROUP | MARY MAURA'S TREASURE BOX | STRATAIMAGE |
| DGB EARTH SCIENCES | MAXAM NORTH AMERICA, INC. | SUNRISE PETROSOLUTIONS TECH., INC. |
| DIGITAL FORMATION, INC. | MAXELER TECHNOLOGIES | SUPERMICRO COMPUTER, INC. |
| DIRECTORATE GENERAL OF OIL AND GAS | MAXELL CORPORATION | SURDEX CORPORATION |
| DIVERCETY LLC | MCPHAR INTERNATIONAL PVT LTD | SWCA ENVIRONMENTAL CONSULTANTS |
| DOLPHIN GEOPHYSICAL | MET TECH INC. | T & A SURVEY |
| DONGEOFIZIKA LLC | MICROSEISMIC, INC. | TDI-BROOKS INTERNATIONAL |
| DOWNUNDER GEOSOLUTIONS PTY. LTD. | MINISTRY OF ENERGY/ENERGY AFFAIRS TRINIDAD/TOBAGO | TECHNO IMAGING |
| DYNAMIC AVIATION | MITCHAM INDUSTRIES, INC. | TEEC SOLUTIONS LLC/TEEC |
| DYNAMIC GRAPHICS, INC. | MOUNT SOPRIS INSTRUMENT CO., INC. | TELEDYNE GEOPHYSICAL INSTRUMENTS |
| DYNAMIC TECHNOLOGIES | MULTI-PHASE TECHNOLOGIES, LLC | TENERGY CORP. |
| DYNO NOBEL | MULTISEIS PROGRAMMES LTD | TERRASPARK GEOSCIENCES, L.P. |
| EAGE | NANOMETRICS, INC. | TERRASYS GEOPHYSICS |
| EARTH SIGNAL PROCESSING LTD. | NATIONAL COMPRESSED AIR CANADA LTD. | TGS |
| EAST VIEW CARTOGRAPHIC | NATIONAL OIL CORPORATION OF KENYA | TGS CAREER PLACEMENT |
| EASYCOPY COMPANY, THE | NCS SUBSEA INC. | THE WTOPI RESEARCH CONSORTIUM AT UCSC |
| EDCON - PRJ | NEOS GEOSOLUTIONS | TIBCO |
| EDINBURGH ANISOTROPY PROJECT | NETAPP | TIDELANDS GEOPHYSICAL, INC. |
| ELIIS | NEXEN INC. | TOTAL EXPLORATION AND PRODUCTION |
| EMC CORPORATION | NODALSEISMIC, LLC | TRANSFORM SOFTWARE AND SERVICES |
| EMGS | NORSAR INNOVATION | TRE |
| ENGENIUS SOFTWARE | OCTIO GROUP | TRELLEBORG OFFSHORE |
| ENIGMA DATA SOLUTIONS LTD/ENIGMA DATA SYSTEMS INC. A RESERVOIR GROUP CO. | OFFSHORE VIDEOS | TRICON GEOPHYSICS |
| ENTHOUGHT | OHM | TRIMBLE NAVIGATION |
| EON GEOSCIENCES, INC. | OLE'S HAKAI PASS | TROIKA INTERNATIONAL |
| ESG | OMNI INDUSTRIAL | TSUNAMI DEVELOPMENT |
| EXPLORATION PARTNERS INTERNATIONAL EPI | ONX | TYRRELL |
| EXXACT CORPORATION | OPEN IT, INC. | UCTEA CHAMBER OF GEOPHYSICAL ENGINEERS OF TURKEY (CGET) |
| EXXONMOBIL EXPLORATION COMPANY - CAREER PLACEMENT AREA | OPEN GEOPHYSICAL, INC. | UNIQUE DIGITAL, INC. |
| FAIRFIELDNODAL | ORICA | UNITED SERVICE ALLIANCE, INC. |
| FAIRFIELDNODAL-HEAVY EQUIPMENT | OVATION DATA SERVICES, INC. | UNIVERSITY OF OKLAHOMA, CONOCOPHILLIPS SCHOOL OF GEOLOGY AND GEOPHYSICS |
| FFA | OYO GEOSPACE CORPORATION | UNIVERSITY OF TEXAS AT AUSTIN - JACKSON SCHOOL OF GEOSCIENCES |
| FRAUNHOFER ITWM | OYO CORPORATION | UPSTREAM |
| FRONTIER MEDEX | PANAMERICAN GEOPHYSICAL COMPANY LDT. | US SENSOR SYSTEMS, INC. |
| FUGRO - JASON INC. | PANASAS | VEHICLE SOURCE PRODUCTS, INC. |
| FUGRO DATA SOLUTIONS, INC | PANORAMA TECHNOLOGIES, INC. | VERIF-I LTD |
| FUGRO ELECTRO MAGNETIC AS | PARADIGM | VERIPOS |
| FUGRO MULTI CLIENT SERVICES, INC. | PARALLEL GEOSCIENCE CORP. | VIBRA-TECH ENGINEERS, INC. |
| FUGRO SEISMIC IMAGING, INC. | PAULSSON, INC. (PI) | VINCI TECHNOLOGIES |
| FUGRO SURVEY | PBX SYSTEM LLC | VISUALIZATION SCIENCES GROUP |
| FUGRO-GEOTEAM | PENNWELL PETROLEUM GROUP | WAVE IMAGING TECHNOLOGY |
| GEDCO | PETROLEUM EXPLORATION PROMOTION PROJECT | WEATHERFORD INTERNATIONAL |
| GEM ADVANCED MAGNETOMETERS | PETROLEUM GEO SERVICES | WEIHAI SUNFULL EXPLORATION EQUIPMENT CO., LTD. |
| GEMS AND CRYSTALS UNLIMITED | PETROLEUM GEO-SERVICES | WESTHEIMER ENERGY CONSULTANTS LTD. |
| GEO 2012 | PETRONAS | WGP EXPLORATION LIMITED |
| GEO EXPRO | PETROSYS | WIRELESS SEISMIC, INC. |
| GEOCABLE SYSTEMS - A DIV. OF HL-TECHNOLOGIES | PHILLYSTRAN INC. | WORLDWIDE WORKER |
| GEOCARE BENEFITS INSURANCE PROGRAMS | PHOENIX GEOPHYSICS | WTOPI UNIV OF CALIFORNIA (CONSORTIUM) |
| GEOCENTER LP | PICO ENVIROTEC | XI'AN SENSHE ELECTRONIC TECHNOLOGY CORPORATION |
| GEOCOMPUTING GROUP, LLC | POLARCUS | YONG XIN TAI HE (TIANJIN) SCIENCE AND TECHNOLOGY DEVELOPMENT |
| GEOENERGY, INC. | PRIME SYSTEMS/DIRECTRON | ZEROWAIT |
| GEOFIZIKA D.D. | PRINOTH, LTD. | ZHAOFENG SENSOR EQUIPMENT CO. , LTD. |
| GEOGIGA TECHNOLOGY CORP. | PRO-SEISMIC SERVICES, LLC | ZONGE |
| GEOGUIDE CONSULTANTS LIMITED | QUANTEC GEOSCIENCE | |
