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Marathon Oil Corporation (NYSE: MRO) is an independent international exploration and production company. Based in Houston, Texas, Marathon Oil had net proved reserves at the end of 2011 of 1.8 billion barrels of oil equivalent in North America, Europe and Africa.
Cameron`s products include a wide range of pressure control and rig systems for onshore and offshore drilling; land and platform production systems for conventional and unconventional applications; separation, processing, and treatment systems; subsea production and processing systems; measurement systems; and a wide variety of valves and actuators. In addition, Cameron`s life-of-field services help our customers to manage assets and optimize recovery.
Walter Oil & Gas Corp. is a Houston, TX-based company in the Energy and Utilities sector.
The Subsurface Group is a Houston, TX-based company in the Energy and Utilities sector.
Coal Gas Technology Ltd. is a Calgary, AB-based company in the Energy & Utilities sector.