» Earth Measurement Corp.    Near-surface geophysical data acquisition, processing and interpretation.    http://www.emcgeophysics.com/

» Electro-Seise, Inc.    3D airborne micro gravity/E surveys for subsurface hydrocarbons.    http://www.electro-seise.com/

» Fairfield Industries Incorporated    Fairfield is a geophysical company known for its development and use of advanced technology for acquisition and processing, and its licensing of seismic data.    http://www.fairfield.com/

» G.A. Ryzhikov and M.S. Biryulina, Consultants    Special processing for traditional marine data using "Partial Synergetic Imaging-", or PSI-criterion.    http://web.ift.uib.no/~antonych/psi_criterion.html

» Getech    Geophysical contractor providing gravity and magnetic services and products to the international oil and mining industry. Offices in Leeds and Houston.    http://www.getech.com/

» Gibson Consulting    Interpretation of gravity and magnetics for hydrocarbon exploration.    http://www.gravmag.com/

» Input Output, Inc.    Provider of land, marine and reservoir seismic instrumentation. Includes comprehensive data sheets.    http://www.i-o.com/

» Interactive Interpretation & Training, Inc.    Outsourcing geoscience for the upstream petroleum industry: geophysics, geology, petroleum engineering, geochemistry, workstation rental. Landmark and GeoQuest software.    http://www.iiandt.com/

» JGI, Inc.    Acquisition of seismic and other geophysical data, geothermal surveys and remote sensing. Japan based.    http://www.jgi-inc.com/

» LandTech    Passive seismic tomography services for oil exploration. Seismograph and vibroseis rental. Pipeline pollution early warning systems. Seismological investigations. Crosshole seismic tomography.    http://www.landtech.org/

» Meridian Surveys    Survey and geophysical consultants to the oil and gas industry.    http://www.meridiansurveys.com.my/

» Oilsearch Plc    Airborne geophysical oil survey company specialising in remote fluorescence sensing and magnetic data recovery.    http://www.oilsearch.co.uk/

» PGS Geophysical    Onshore and marine seismic acquisition and analysis. Reservoir imaging, characterization and monitoring. Multiclient 3D data library.    http://www.pgs.com/

» RGR: Method of Effective Specular Points    A novel approach to Reflector Geometry Reconstruction: proper assimilation of prestacked multioffset traveltimes, macro-model-independent seismic reflection (depth) imaging.    http://web.ift.uib.no/~antonych/RGR.html

» Reid Geophysics    Offering gravity and magnetic survey specification, processing and interpretation. Proprietary software.    http://www.reid-geophys.co.uk/

» Seismic Consultants Group Pty. Ltd.    Seismic Consultants Group (SCG) provides personnel for field supervision and quality control of geophysical surveys to the oil and gas exploration industry worldwide    http://www.users.bigpond.com/seiscons/

» Seismic Imaging Research    Research reports on subsalt imaging, depth migration, velocity model building, seismic modeling, converted mode energy and overpressure prediction.    http://walter.kessinger.com/work/

» Seistronix RAS-24 Exploration Seismograph    Seistronix manufactures, leases and sells exploration seismographs and related geophysical equipment for oil, gas, mineral and general geotechnical exploration using seismic refraction, 2D and 3D seismic reflection.    http://seistronix.com/ras_g.htm

» Sharp Deconvolution in P-tau Domain    Elimination of intrabed multiples: SoSI-inversion. Site shows a novel approach to the comprehensive elimination of multiples -including intrabed ones. It is based on recursive representation of Born series inversion and realized in a form of a fast routin    http://web.ift.uib.no/~antonych/sdec2.html

» Signature Seismic Processing Inc.    2D and 3D seismic data processing services for both land and marine datasets.    http://www.signatureseismic.com/

» Society of Exploration Geophysicists    Home page of the SEG, which hosts 2 monthly publications- The Leading Edge and the SEG Journal, and yearly trade shows, at the international, national, and regional level. The major organization for geophysicists involved in exploration and production of    http://www.seg.org/

» Sources of Seismic Interpretation Error    Powerpoint presentations illustrating common reasons for interpretation error. Free viewer available from site.    http://adaps.com/fhr1.htm

» Sperling Geophysics    Seismic data acquisition, interpretation and modeling, including prospect evaluation.    http://www.geophysics.com/