Dane L. Cantwell

Legado Resources LLC acquires, exploits and implements secondary and tertiary oil recovery projects. The company was founded by Michael O. Bridges, Dane L. Cantwell and John H. Beaird and Stacey A. Cude on February 25, 2008 and is headquartered in Houston, TX.

Anadarko Petroleum Corp. is an independent exploration and production company. It operates through the following segments: Exploration and Production; WES Midstream; and Other Midstream. The Exploration and Production segment focuses on the exploration, development, production, and sale of oil and natural gas. The WES Midstream and Other Midstream segment consists of gathering, compressing, treating, processing, and transporting of natural gas; gathering, stabilizing, and transporting of oil and natural gas liquids. The company was founded in 1959 and is headquartered in The Woodlands, TX.

Atlantic Richfield Co. provides oil and gas extraction and production services . The firm's exploration and production operations are focused primarily in the Gulf of Mexico and the midcontinent in the United States, the United Kingdom North Sea, Indonesia, China and Algeria. The company was incorporated on April 15, 1985 and is headquartered in Warrenville, IL.