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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.
Summit ESP is a Tulsa, OK-based company in the Energy and Utilities sector.
We are the premier global supplier of innovative circulating fluidized bed (CFB) technology providing value to our customers.
Through the combined strength of our assets in North America, we are dedicated to building the energy systems of the future.
Drilco Inc is a Laguna Beach, CA-based company in the Energy and Utilities sector.