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 through the following segments: Equipment, Contractual Data Acquisition, Geology, Geophysics & Reservoir and Non-Operated Resources. The Equipment segment comprises of manufacturing and sales of seismic equipment used for data acquisition, both on land and marine. The Contractual Data Acquisition segment comprises of Marine: offshore seismic data acquisition and Land and Airborne 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.