Divestco
- Provides integrated software solutions, consulting services and seismic data brokerage.
- http://www.divestco.com/

Parallel Geoscience Corporation
- Software developer of interactive seismic data processing tools and applications for the petroleum and environmental industries.
- http://www.parallelgeo.com/

NCS-SubSea, Inc
- Provides navigation services to the marine survey and geophysical industry. Products include navigation systems, sidescan and magnetometer surveys, GPS positioning, and gyrocompass calibrations.
- http://www.ncs-subsea.com/

Geo-Search Affiliates
- Licensing 2D seismic data in Texas, New Mexico and Oklahoma. Site has maps with line locations.
- http://www.2dseismic.us

Gulf Coast Velocity Data Inc.
- Database of digital velocity survey well information for Gulf Coast, West Texas and Oklahoma. Also mud weight/temperature databases in S. Louisiana.
- http://www.velocitydata.com/

PetroBankonline
- Tools and geophysical data accessible from locations around the world. Public, member, and application services available.
- http://www.petrobank.com/

de Groot-Bril Earth Sciences
- Software for the analysis of seismic and well data for purposes of reservoir characterisation and seismic object detection. Also seismic interpretation.
- http://www.dgb.nl

Fast Geophysical Positioning Solutions
- Supplier of software and services for seismic positioning data processing and quality control.
- http://www.fgps.com/

Petroleum Geo-Services
- An oilfield service company whose primary business is acquiring, processing, managing and marketing seismic data.
- http://www.pgs.com/

Western Geco
- Seismic exploration, reservoir imaging, and field development.
- http://www.westerngeco.com/

Engineering Seismology Group
- Passive monitoring of induced microseismicity. Offers instruments, software and analysis. Services include hydrofrac and reservoir monitoring.
- http://www.esg-solutions.com/

RockWare Inc.
- Software for geology, groundwater, geophysics, GIS and hydrology applications. Located in Golden, Colorado.
- http://www.rockware.com/set.html

New Wave Geophysical Pty Ltd
- Providers of advanced seismic scanning solutions for conversion of traces to SEG-Y format. Also maintains a large Australasian database of shotpoint locations, well logs, and bathymetry. Based in Frenchs Forest, Australia.
- http://newwavegeo.com.au/

Seismic Solutions Int.
- Consulting and software for the petroleum exploration industry. RFT plot/database software permits interpretation of multicriteria depth/pressure data. Located in Chatswood West, Australia.
- http://www.seismicsolutions.com.au/

Supersonic Geophysical, LLC.
- Process full waveform acoustic well log data acquired under very difficult conditions. Based in Los Angeles, California.
- http://www.acousticpulse.com/

SeismicCity, Inc.
- Developer of technology for seismic processing and depth imaging, and provider of seismic data processing services for oil and gas industry. Based in Houston, Texas.
- http://www.seismiccity.com/

Concept Systems Ltd.
- Navigation and planning software for marine seismic work. Based in Edinburgh, UK.
- http://www.csl.co.uk/

Pulse Data Inc.
- A Canadian seismic data library company that specializes in planning and conducting non-exclusive seismic surveys. Library contains 4000 kilometers of 2D seismic data from northern Alberta and British Columbia. Based in Calgary.
- http://www.pulsedatainc.com/

Integrated Exploration Systems GmbH
- Multi-dimensional simulators for petroleum systems assessments. Based in Juelich, Germany.
- http://www.ies.de/

Veritas DGC Inc.
- Seismic data processing, acquisition and interpretation. Training courses.
- http://www.veritasdgc.com/

Seismic Micro-Technology, Inc.
- Integrated subsurface visualization software. Includes seismic modules. The Kingdom Suite runs on Windows NT. Based in Houston, Texas.
- http://www.seismicmicro.com/

Hydrographic, Dynamic Positioning and Underwater Survey
- Geophysical, hydrographic and oceanographic survey equipment, services, data and software.
- http://www.offshore-technology.com/contractors/hydrographic/

Petrophysics, Inc.
- Petroleum exploration service company has specialized in relating digital well log data to seismic surveys. Gulf Coast onshore specialty. San Antonio, Texas.
- http://www.petrophysics.com/

Grant Geophysical, Inc.
- Land and transition zone seismic acquisition, processing and sales. Worldwide headquarters in Houston, Texas.
- http://www.grantgeo.com/

Fairfield Industries, Inc.
- Seismic data acquisition, processing and sales.
- http://www.fairfield.com/

Paradigm Geophysical
- Seismic acquisition, interpretation and software.
- http://www.paradigmgeo.com/

CGG Geophysical Services
- Seismic data sales, acquisition and interpretation. Software software vendor. Reservoir studies. Petroleum, mineral and civil engineering applications.
- http://www.cgg.com/

Bell Geospace, Inc.
- A privately held company that is the exclusive provider of three-dimensional full tensor gradient data to the oil and gas market. Data collected in the US Gulf of Mexico and the North Sea.
- http://www.bellgeo.com/

Blue Castle Corporation
- Provides software support and geophysical services to the oil and gas industry. Based in Calgary, Alberta, Canada.
- http://bluecastlecorp.com/