CGG SA, formerly Compagnie Generale de Geophysique-Veritas, is a manufacturer of geophysical equipment and a provider of a range of seismic services in data acquisition and processing both onshore and offshore, principally to clients in the oil and gas exploration and production industry. The Company operates in two segments: Services and Equipment. The services segment includes land contract, marine contract, multi-client land and marine, and processing, imaging and reservoir. The Company conducts its equipment development and production operations through Sercel and its subsidiaries. Sercel operates five seismic equipment manufacturing facilities, located in Nantes and Saint Gaudens in France, Houston, Singapore and Alfreton in England.