James Jeffrey Bookout

The Exploration Company of Delaware, Inc. is an energy company engaged in the acquisition, exploration, development and production of oil and gas properties. The company focuses on developing oil and gas reserves on properties located in Texas, particularly the Maverick Basin in southwest Texas. TXCO also owns properties in South Dakota, North Dakota and Montana. In addition, the Company's natural gas gathering system has grown to more than 90 miles of pipeline. It is located in San Antonio, TX.

Reorganized TXCO, Inc. engages in the acquisition, exploration, exploitation, development and production of oil and gas properties. The company is headquartered in San Antonio, TX.

Pioneer Natural Resources is an independent exploration and production company focused on delivering competitive and sustainable results. Pioneer responsibly produces oil and gas resources to help meet the world's energy demands as it provides opportunities for growth and enrichment to employees, business partners and the communities in which the Company operates.

Abraxas Petroleum Corp. engages in the acquisition, exploration, development, and production of crude oil and natural gas. It focuses primarily on the development of conventional and unconventional resources in its primary operating areas in the Rocky Mountains, South Texas, Powder River Basin, and Permian Basin. The company was founded by Robert L.G. Watson in 1977 and is headquartered in San Antonio, TX.

Network International, Inc. provides secondary marketplace for energy equipment. It offers tubular goods, drill string and pipe, process, production and pipeline equipment. The company was founded by Christopher N. O'Sullivan in 1999 and is headquartered in Houston, TX.