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Flatrock Compression is a Houston, TX-based company in the Energy and Utilities sector.
Van Deurzen Associates PA is a Overland Park, KS-based company in the Energy and Utilities sector.
General Petroleum is a Fort Wayne, IN-based company in the Energy and Utilities sector.
H-O PRODUCTS CORP. is a Winsted, CT-based company in the Energy and 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.