Citation Oil & Gas Corp., is a privately-held independent oil and gas acquisition, development, and production company. The company was founded in 1981, and today, Citation and its equity partners have oil and gas assets that are comprised of approximately 10,300 wells in over 325 separately designated fields. The companys assets are located exclusively in the onshore United States, with concentrated positions in the Permian Basin, Rocky Mountain and Southern Oklahoma Regions. In addition to its oil and gas operations, Citation also is involved in the crude oil marketing business through its wholly owned subsidiary, Citation Crude Marketing. Citation has 386 employees and is headquartered in Houston. The company also has regional offices located in Houston, Midland, Texas, Gillette, Wyo., and Oklahoma City, Okla. From these locations Citation conducts operations in Colorado, Illinois, Kansas, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, Utah and Wyoming.