ION Geophysical Corp.

Corporate profile: Schlumberger Knowledge, technical innovation and teamwork are at the center of who we are. For more than 80 years, we have focused on leveraging these assets to deliver solutions that improve customer performance. Today, our real-time technology services and solutions enable customers to translate acquired data into useful information, then transform this information into knowledge for improved decision making-anytime, anywhere. Harnessing information technology in this way offers enormous opportunities to enhance efficiency and productivity. This is a quantum leap from providing traditional 'just-in-case' information to delivering 'just-in-time' knowledge that meets the changing needs of our customers

TGS-NOPEC Geophysical Co. ASA engages in the provision of geoscientific data products and services to oil and gas exploration companies. It operates through the following geographical segments: North & South America (NSA), Europe and Russia (EUR), Africal, Middle-East and Asia or Pacific (AMEAP), and Other or Corporate Costs. The NSA segment includes onshore seismic projects in North America. The Other or Corporate Costs segment offers Geological Products & Services (GPS) Well Logs, GPS Interpretations, Global Services, Imaging, Data and Analytics, G&A and Corporate. The company was founded in 1981 and is headquartered in Asker, Norway.

CGG is an integrated geosciences company, which provides geological geophysical and reservoir capabilities to its broad base of customers primarily from the global oil and gas industry. It manufactures geophysical equipment, as a provider of marine, land and airborne data acquisition services. The company operates its business through the following segments: Contractual Data Acquisition, Geology, Geophysics & Reservoir and Non-Operated Resources. The Contractual Data Acquisition segment comprises of Marine: offshore seismic data acquisition and Land and Multi-Physics and other seismic data acquisition. The Geology, Geophysics & Reservoir segment comprises the Multi-Client Business Line and the Subsurface Imaging and Reservoir business line. The Non-Operated Resources segment comprises the costs of the non-operated marine resources as well as all of the costs of its Transformation Plan .CGG was founded by Conrad Schlumberger on July 23, 1931 and is headquartered in Paris, France.