William N. Hahne

KCS Energy, Inc. was an independent energy company which used to engage in the acquisition, exploration, development and production of natural gas and crude oil with operations in the Mid-Continent and Gulf Coast regions. It used to purchase reserves through its Volumetric Production Payments (VPP) program. The company was founded in 1988 and was headquartered in Houston, TX.

Burlington Resources, Inc. explored, developed and produced oil and gas. The company is headquartered in Houston, TX.

The Louisiana Land & Exploration Co. explores oil and gas. The firm operates crude oil refinery in the United Kingdom, Colombia, and Indonesia. The company was founded in 1926 and is headquartered in New Orleans, LA.

Petrohawk Energy Corp. operates as an oil and natural gas company which is engages in the acquisition, development, production, and exploration of oil and natural gas properties. The company was founded by Richard K. Stoneburner in 2003 and is headquartered in Houston, TX.

Whiting Petroleum Corp. engages in the development, production, acquisition, and exploration of oil and gas properties. It operates in the Rocky Mountains regions. The company was founded by Kenneth R. Whiting and J. Bert Ladd in January 1980 and is headquartered in Denver, CO.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.