John Garner

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.

Boots & Coots International Well Control, Inc. provides a suite of integrated pressure control and related services to onshore and offshore oil and gas exploration and development companies, primarily in North America, Asia, South America, North Africa, West Africa, and the Middle East. The company was founded in 1978 and is headquartered in Houston, TX.

Avanti Corp. provides environmental protection and data management services. The company was founded by Lynn Petrazzuolo in 1990 and is headquartered in Alexandria, VA.