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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.
Forest Oil Corporation is an independent oil and gas company engaged in the acquisition, exploration, development, production and marketing of natural gas and liquids. The Company's principal reserves and producing properties are all located in North
Tucker Energy Services is a Tulsa, OK-based company in the Energy and Utilities sector.
,, engages in the international commerce, trade, transportation, distribution, and marketing of fertilizer, chemicals, methanol, crude oil, liquefied petroleum gas, and petrochemicals.
Tema Oil And Gas Co is a Houston, TX-based company in the Energy and Utilities sector.