William A. Lang

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.

Cornerstone Propane Partners LP distributes propane for residential and commercial use.

Part of GenOn Holdings, Inc., Southern Co. Energy Marketing LP provides energy trading, marketing, physical and financial products, and services. Southern Co. Energy Marketing was acquired by Mirant Corp. (Georgia) from Vastar Resources, Inc. on September 11, 2000 for $250 million.

North American Propane, Inc. provides propane gas and heating services. The firm offers services to industrial, commercial, and residential users. The company was founded by Robert R. Kaplan in 2001 and is headquartered Taunton, MA.

The New England Gas Association provides natural gas services. The private company is based in Needham Heights, MA and has subsidiaries in the United States.

Part of Tenneco, Inc., Tenneco Gas is a company that specializes in farm machinery and equipment. The company is based in Houston, TX.

Part of Enterprise Products Partners LP, Coast Energy Group, Inc. provides wholesale gas distribution services. Coast Energy Group was acquired by Enterprise Products Partners LP from Cornerstone Propane Partners LP on November 13, 2002 for $12 million.

The Natural Gas Supply Association produce and market natural gas. The firm encourages the use of natural gas within a balanced national energy policy, and promotes the benefits of competitive markets to ensure transportation and delivery of natural gas and to the supply of natural gas to US customers. The company was founded in 1965 and is headquartered in Washington, DC.