James Craddock

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

Noble Energy, Inc. operated as an exploration and production company. It engaged in the acquisition, exploration and development of crude oil and natural gas. The firm operated through the following geographical segments: United States, Eastern Mediterranean, West Africa, Other International and Midstream. The United States segment was consists of U.S. onshore and Gulf of Mexico. The Eastern Mediterranean segment was included Israel and Cyprus. The West Africa segment comprised of Equatorial Guinea, Cameroon, and Gabon. The Other International segment was composed of Newfoundland, Suriname, and other new ventures. The Midstream segment was owns, operates, develops, and acquires domestic midstream infrastructure assets with focus areas being the DJ and Delaware Basins. The company was founded by Lloyd Noble in 1932 and it was headquartered in Houston, TX.

Callon Petroleum Co. engages in the exploration, development, acquisition, and production of oil and natural gas properties in the United States. It focuses on unconventional oil and natural gas reserves in the Permian Basin. The company was founded by Sim C. Callon and John S. Callon in 1950 and is headquartered in Houston, TX.

Rosetta Resources Inc. is an independent oil and gas exploration company, which engages in the acquisition and development of onshore energy resources in the U.S. The company also involves in the purchasing of new undeveloped leases, acquiring oil and gas producing properties and drilling prospects from third parties. Its operations are primarily located in the South Texas, including Eagle Ford shale and in the Southern Alberta Basin in Northwest Montana. The company was founded in June 2005 and is headquartered in Houston, TX.