David A. Wilkins

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Part of Osaka Gas Co., Ltd., Edisto Resources Corp. explores and produces oil and gas. The company is based in Houston, TX. Edisto Resources was acquired by Forcenergy, Inc., part of Osaka Gas Co., Ltd. from December 07, 2000 on October 22, 1997 for $139.61 million.

Vintage Petroleum, Inc. was a energy company. The company was engaged in the acquisition, exploitation and exploration of oil and gas properties and the marketing of natural gas and crude oil. The company was headquartered at Tulsa, OK.

Midstream Energy Services LLC operated as an independent full-service midstream energy company that produced natural gas and natural gas liquids. The firm offered gathering, compression, dehydration, transportation, marketing services, nitrogen rejection, gas conditioning, and de-oxification and processing services. The company was founded by James E. Lind on September 21, 2004 and was headquartered in Tulsa, OK.

Petrohawk Energy Corp. operates as an oil and natural gas company which is engages in the acquisition, development, production, and exploration of oil and natural gas properties. The company was founded by Richard K. Stoneburner in 2003 and is headquartered in Houston, TX.