INTERNATIONAL GEOPHYSICAL SERVICES

CGGVeritas www.cggveritas.com ElectroMagnetic GeoServices www.emgs.com Fairfield Industries Inc. www.fairfield.com Fugro-Geoteam AS www.fugro.no Gardline Marine Sciences www.gardlinemarinesciences.com Global Geophysical Services www.globalgeophysical.com Geophysical Service Inc. www.geophysicalservice.com Offshore Seismic Surveys Inc. www.offshore-seismic.com   Polarcus Limited www.polarcus.com PGS www.pgs.com Spectrum ASA http://www.spectrumasa.com/ SeaBird Exploration AS www.sbexp.com TGS-NOPEC www.tgsnopec.no Reservoir Exploration Technology www.rxt.com Wavefield Inseisis is now owned byCGGVeritas www.cggveritas.com WesternGeco www.westerngeco.com WGP Group www.wgeo.co.uk