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Nelson Petroleum is a Everett, WA-based company in the Energy and Utilities sector.
Hasco Industrial Supply Inc is a Worland, WY-based company in the Energy and Utilities sector.
geostrata is a Calgary, AB-based company in the Energy and Utilities sector.
Mack Energy Corporation is a Artesia, NM-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.