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Castle Oil Corporation is a Harrison, NY-based company in the Energy and Utilities sector.
The Balf Co is a Newington, 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.
North Suburban Inc is a Saint Paul, MN-based company in the Energy and Utilities sector.
Pilot Water Solutions is a midstream disposal and transportation company that provides tailored solutions for any water midstream challenge in the oil and gas industry.