Douglas Kaiser

Laredo Energy IV LP engages in the acquisition, exploration, and development of natural gas resources in the Lobo Trend in South Texas. The company was by Glenn D. Hart, Scott G. Stevenson, Robert L. Swanson, and Steven B. Jacques in 2001 and is headquartered in Houston, TX.

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.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Part of Calpine Corp., Michael Petroleum Corp. explores for, drills and produces oil. The private company is based in Houston, TX. The company was founded by Glenn D. Hart.

Louis Dreyfus Natural Gas Corp. sells natural gas and crude oil. It is subsidiary of Dominion resources, Inc. The company is headquartered in Oklahoma City, OK

Laredo Energy II LP explores, processes and distributes gas. It offers recoverable unconventional, natural gas, shale gas, tight sands and coalbed methane. The company is headquartered in Houston, TX.