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Greenfields Petroleum is a Houston, TX-based company in the Energy and Utilities sector.
Independent marketer of petroleum and petrochemical products. The Houston-based company markets products wholesale to oil companies, producers and consumers.
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.
Pinedale Natural Gas is a Glenwood Springs, CO-based company in the Energy and Utilities sector.
B&W Drilling Tools is a Oklahoma City, OK-based company in the Energy and Utilities sector.