James J. Emme

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.

Endeavour International Corp. was engaged in exploration and development of oil and gas reserves. The company was founded by William L. Transier and John N. Seitz and was headquartered in Houston, TX.

Pengrowth Corp. an oil and gas operating company. The company is headquartered in Calgary, Canada.

Max Petroleum Plc operates as an oil and gas exploration and production company. It engages in the exploration, development, and production of oil and gas assets in the Republic of Kazakhstan. The company was founded on April 8, 2005 and is headquartered in London, the United Kingdom.

Elk Resources, Inc. explores oil and gas wells. The firm also provides all supportive activities related to oil & gas exploration. The company is located in Denver, CO.