H. R. Sanders

Toreador Resources Corp. engages in oil and gas exploration services. It is an independent international energy company engaged in the acquisition, development, exploration and production of crude oil. It holds interests in developed and undeveloped oil properties in France. The company was founded in 1951 and is headquartered in Paris, France.

Continental Resources, Inc. is an independent oil producer engaged in the exploration, development, and production of crude oil and natural gas. The firm's operations include horizontal drilling and protecting groundwater. The company was founded by Harold G. Hamm in 1967 and is headquartered in Oklahoma City, OK.

Texas Republic Bank, NA operates as a nationally chartered commercial bank. It offers include personal, business banking. and mortgage lending. The company was founded in 1891 and is headquartered in Frisco, TX.

The Independent Petroleum Association of America manufactures oil and natural gas. The non-profit company is based in Washington. Barry Russell has been the CEO of the American company since 1980.

Oklahoma Independent Petroleum Association operates as an oil and natural gas association. The company was founded in 1955 and is headquartered in Oklahoma City, OK.

Waldron Energy Corp. is a petroleum and natural gas exploration and production company. It engages in the acquisition, exploration and development of petroleum and natural gas in the province of Alberta. It holds interests in Ricinus, Ferrybank, Newton and Sullivan Lake properties. The company was founded on February 4, 2004 and is headquartered in Calgary, Canada.