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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".
DeGolyer and MacNaughton is a Dallas, TX-based company in the Energy and Utilities sector.
Mikes Mobil Inc is a Holland, MI-based company in the Energy & Utilities sector.
Marshall W Nelson and Associates Inc is a Milwaukee, WI-based company in the Energy and Utilities sector.
Madagascar Oil SA is an oil company operating in Madagascar.