Michael E. Wiley

Spinnaker Exploration Co. was an independent energy company engaged in the exploration, development and production of natural gas and oil in the U.S. Gulf of Mexico. It was headquartered in Houston, TX.

HighPoint Operating Corp. engages in the development, acquisition, and exploration of oil and natural gas resources. It holds interest in the Denver-Julesburg Basin and the Uinta Oil Program in the Uinta Basin. The company was founded by William J. Barrett, Fredrick J. Barrett, and John Frank Keller in January 2002 and is headquartered in Denver, CO.

Andeavor engages in the refining and marketing of petroleum products. It operates through the following segments: Refining, Logistics, and Marketing. The Refining segment buys and refines crude oil and other feed stocks into transportation fuels, such as gasoline and gasoline blend stocks, jet fuel and diesel fuel, as well as other products, including heavy fuel oils, liquefied petroleum gas and petroleum coke for sale in bulk markets to a wide variety of customers within Andeavor's markets. The logistics segment includes crude oil and natural gas gathering assets, natural gas and natural gas liquid processing assets, and crude oil and refined products terminalling, transportation and storage assets acquired from Andeavor and third parties. The Marketing segment sells transportation fuels through branded and unbranded channels. Its brand portfolio includes ARCO, Shell, Exxon, Mobil, USA Gasoline, Rebel, and Tesoro. The company was founded by West V. Robert, Jr. in 1964 and is headquartered in San Antonio, TX.

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.

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.

The National Petroleum Council operates as a council for national petroleum. The private company is based in Washington.

Asia Pacific Exploration Consolidated Management LLC engages in the exploration of oil and gas. The company was founded in 2007 and is headquartered in Houston, TX.