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Perfection Oil Co., Inc. is a Dubuque, IA-based company in the Energy & Utilities sector.
Sinclair Oil (little america refining) is a Casper, WY-based company in the Energy & Utilities sector.
Atlantic Richfield Company is a global oil and gas enterprise operating in two segments, exploration and production and refining and marketing. Its upstream exploration and production operations are focused primarily in Alaska, the Gulf of Mexico and the
Chermac Energy Corp is a Edmond, OK-based company in the Energy and Utilities sector.