BJ Services Company is a provider of pressure pumping and oilfield services for the petroleum industry. The Company conducts its operations through four segments: U.S./Mexico Pressure Pumping Services, International Pressure Pumping Services, Canada Pressure Pumping Services and Oilfield Services Group. The U.S./Mexico, International Pressure Pumping and Canada Pressure Pumping segments provide stimulation and cementing services to the petroleum industry. The Oilfield Services Group consists of chemical services, casing and tubular services, process and pipeline services and completion tools and completion fluids services in the United States and select markets internationally. On March 1, 2007, the Company acquired Norson Services Ltd, a division of Norson Group Ltd., and substantially all of the assets of Norson Group's United States subsidiary Norson Services LLC. As of May 29, 2008, the Company had acquired approximately 97.6% interest in Innicor Subsurface Technologies Inc.