Charles L. McLawhorn

Contango Oil & Gas Co. is an oil and natural gas company. The firm engages in the exploration, development, production and acquisition of crude oil and natural gas properties. Its operation focuses in Permian Basin, South Texas, Southeast Texas East Texas, Wyoming, and Gulf of Mexico. The company was founded by Kenneth R. Peak on August 7, 1986 and is headquartered in Fort Worth, TX.

Mid-Con Energy Partners LP owned, operated, acquired and developed oil and natural gas properties in North America, with a focus on enhanced oil recovery. Its core areas of operation were located in Oklahoma, Texas and Wyoming. The company was founded by Charles R. Olmstead, S. Craig George, and Jeffrey R. Olmstead in July 2011 and was headquartered in Tulsa, OK.

Mid-Con Energy GP LLC is an oil and natural gas company that owns, operates, acquires, exploits, and develops producing properties in the United States. The private company's core areas of operation are located in southern, northeastern, and parts of western Oklahoma, as well as within Texas and Kansas. The company is based in Dallas, TX. Mid-Con Energy GP focuses on the mid-continent region of the United States. The company was founded by S. Craig George, Jeffrey Randy Olmstead, Charles Randy Olmstead. Sherry L. Morgan has been the CEO of the company since 2008.

Samson Resources Corp. engaged in develop and produced oil and natural gas. The company was founded by Charles Schusterman on November 23, 1971 and was headquartered in Tulsa, OK.