Robert Lee Stillwell

EXCO Partners LP acquires and develops oil and gas properties. Its customers include Atmos Energy Marketing and Anadarko Energy Services. Its areas of operations include Appalachia, Texas, and Louisiana. The company was founded in 2007 and is headquartered in Dallas, TX.

Baker Botts LLP provides legal services. Its services include antitrust and compensation law, corporate, enforcement and investigations, environmental law, intellectual property, litigation, projects, real estate and construction, regulatory, and tax. The firm renders its services to banking and finance industry, energy and natural resources, manufacturing, and technological industries. The company was founded by Peter Gray in 1840 and is headquartered in Houston, Texas.

Pioneer Natural Resources Co. operates as an independent oil and gas exploration and production company. The firm engages in hydrocarbon exploration in the Cline Shale. It focuses on the operation of the Permian Basin, Eagle Ford Shale, Rockies, and West Panhandle projects. The company was founded by Scott Douglas Sheffield on April 2, 1997, and is headquartered in Irving, TX.

BP Capital LP provides energy trading services. The firm also invests in the energy futures, sectors and dependent industries. The company was founded by Thomas Boone Pickens, Jr. in 1996 and is headquartered in Dallas, TX.

Founded in 2001 by Boone Pickens, Robert Stillwell and Ronald Bassett, TBP Investments Management LLC is a registered investment advisor and hedge fund manager located in Dallas, Texas. The firm is a subsidiary of BP Capital Funds Advisors LLC.