William E. Wade

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.

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

Vastar Resources, Inc. is one of the largest independent oil and natural gas exploration and production companies in the United States. The company is active in approximately 80 fields in some of the nation's most prolific producing areas, including the Gulf of Mexico, the Gulf Coast, the Oklahoma/Arklatex and the Rockies/Hugoton regions. In addition, the company's drilling rigs are exploring for new reserves both onshore and in the promising shelf and deepwater Gulf of Mexico drilling plays, the latter the site of rising industry activity and excitement.

Lyondell Chemical Co. manufactures and distributes chemicals & plastics, produces fuel products, and refines heavy & high-sulfur crude oil. The company operates in four segments: Ethylene Co-Products and Derivatives, Propylene Oxide & Related Products, Refining, and Inorganic Chemicals. The company's products are used in the clothing, food packaging, household furnishings, automotive parts, construction, home-building materials, paints, and coating industries. The company was founded in 1985 and is headquartered in Houston, TX.

Part of Arco Alaska, Inc., Arco Oil & Gas Co. is a private company that produces and sells oil and gas. The company is based in Plano, TX.