Lewis W. Powers

National Society of Professional Engineers operates as a national organization committed to addressing the professional concerns of licensed PEs across all disciplines. The company was founded in 1934 and is headquartered in Alexandria, VA.

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.

Trinidad Energy Services is a Income Trust, focused on creating and capitalizing on market opportunities within the oil and gas drilling and well servicing sector. Their business practices promote safe, efficient operations which encourage optimal operational and financial performance

Trinidad Drilling Ltd. engages in the provision of contract drilling and related services. It operates through the following segments: United States and International Operations; Canadian Operations; Joint Venture Operations; and Corporate segments. The United States and International Operations segment includes technology operations. The Canadian Operations segment involves land drilling services. The Joint Venture Operations segment consists of US and international joint venture operations. The Corporate segment relates to all non-operating activities and acts as a support function to the other segments. The company was founded by Michael E. Heier on February 23, 1996 and is headquartered in Calgary, Canada.

Halliburton Energy Services, Inc. provides oilfield services. It offers technical products and services for petroleum, natural gas exploration and production. The company is headquartered in Houston, TX.

Magnum Hunter Resources, Inc. provides oil exploration and drilling services. The company is headquartered in Irving, TX

Nova Biosource Fuels, Inc. refines and markets biodiesel and related co-products. The company was founded on March 12, 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.