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MFA Oil is an energy cooperative started in 1929 by the Missouri Farmers Association. It produces fuel and lubrication products and manages bulk petroleum and propane plants in the Central US.
Berens Energy Ltd. is a Edmonton, AB-based company in the Energy & Utilities sector.
EOG Resources (formerly Enron Oil and Gas) is a Fortune 500 company with its headquarters in the Heritage Plaza building in downtown Houston, Texas. The company is one of the largest independent oil and natural gas exploration and production companies in the United States with proven reserves in the United States, Canada, Trinidad and Tobago, the United Kingdom, and China. EOG Resources, Inc. is listed on the New York Stock Exchange and is traded under the ticker symbol "EOG".
Fauser Energy Resources is a Elgin, IA-based company in the Energy & Utilities sector.
Frontier Energy Services is a Tulsa, OK-based company in the Energy and Utilities sector.