Clay Sayre

Unocal Corp. explores, develops, produces, and markets crude oil and natural gas. The firm also produces geothermal energy in Indonesia and the Philippines and makes petroleum coke, graphite's and silicon carbide materials. The company was founded on October 17, 1890 and is headquartered in El Segundo, CA.

Nations Petroleum Co. Ltd. engages in international oil and gas full field development and or rehabilitation projects. The firm also develops hydrocarbon assets. The company was founded by Kok Kiong Al Njoo on December 29, 2006 and is headquartered in Calgary, Canada.

International Oil & Gas Technology Ltd. is an authorized closed-ended investment company with revenues of $2 to $20 million. It provides investors with capital growth potential by investing long-term expansion capital in companies that provide services and technology to the upstream oil and gas industry.

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.

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.

Van Dyke Energy Co. explores oil and related products. It develops unconventional oil and gas assets in Latin America. The company was founded by Gene Van Dyke in 1952 and is headquartered in Houston, TX.