David D. Le Norman

Part of Exxon Mobil Corp., Crusader Energy Corp. is a company that explores for and produces oil and gas. The company is based in Oklahoma City, OK. Crusader Energy was acquired by Encore Acquisition Co. on October 14, 2005 for $93.50 million. The company was founded by David D. Le Norman.

Part of Chevron Corp., Le Norman Partners LLC is a company that explores and mines for oil and gas. The company is based in Oklahoma City, OK. The company was founded by David D. Le Norman. Le Norman Partners was acquired by Patina Oil & Gas Corp. on March 17, 2003 for $18.50 million.

Knight Energy Group LLC provides oil and gas exploration services. It engages in the exploration, acquisition, production, and sale of crude oil and natural gas. The company was founded in 2006 and is headquartered in Oklahoma City, OK

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.

Reign Capital Holdings LLC operates as an investment company. The firm invests in upstream and midstream oil and gas, commercial real estate and property management, and automotive entertainment, healthcare and technology. The company was founded by David D. Le Norman and is headquartered in Oklahoma City, OK.

The Petroleum Alliance of Oklahoma provides oil and natural gas trade association services. The company is headquartered in Oklahoma City, OK.

Oklahoma Energy Resources Board engages in environmental restoration of well sites and educating the community about the importance of petroleum. It is headquartered in Oklahoma City, USA.

Crusader Energy Group, Inc. explores for oil and natural gas. The company was founded on July 3, 2008 and is headquartered in Oklahoma City, OK.