James R. Peay

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.

Part of Occidental Petroleum Corp., Kerr-McGee Rocky Mountain Corp. is an American company.

HS Resources, Inc. used to develop, produce and market oil and gas. The company provides its services in different parts of United States. The company was located in San Francisco, CA

Mak-J Energy Partners Ltd. provides oil and gas exploration services. The private company is based in Denver, CO.

PRC Williston LLC provides acquisition, development and exploration services of crude oil and natural gas. The firm engages in secondary enhanced oil recovery projects in the U.S., and all of its properties are non-operated in the Williston Basin. The company was founded on January 9, 2007 and is headquartered in Houston, TX.