Drake N. Smiley

RAM Energy Resources, Inc. engages in the acquisition, development, exploitation, exploration and production of oil and natural gas properties primarily in Texas, Oklahoma and Louisiana. It operates in the upstream segment of the oil and gas industry with activities, including the drilling, completion & operation of oil and gas wells. The company was founded in 1987 and is headquartered in Tulsa, Ok.

American Association of Professional Landmen consists of landmen and land-related persons throughout affiliated local associations in the United States and in Canada. It promotes standards of performance for all land professionals, which encourage responsible stewardship of energy and mineral resources. The company was founded on March 17, 1987 and is headquartered in Fort Worth, TX.

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.

Halcón Holdings, Inc. engages in the production and exploration of oil and natural gas. The company is headquartered in Tulsa, OK.

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.