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Intergulf Corporation is a Pasadena, TX-based company in the Energy and Utilities sector.
Klabzuba Oil Gas is a Havre, MT-based company in the Energy & Utilities sector.
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.
American Exploration Company is a Houston, TX-based company in the Energy and Utilities sector.