Aubrey Kerr McClendon

Williams Partners LP owns, operates, develops & acquires natural gas gathering system and energy assets. It focuses on natural gas gathering, the first segment of midstream energy infrastructure that connects natural gas produced at the wellhead to third-party takeaway pipelines. The company was founded in 2005 and is headquartered in Tulsa, OK.

Chaparral Energy LLC produces oil and natural gas. It specializes in enhanced oil recovery and has an inventory of carbon dioxide tertiary recovery projects in the Mid-Continent and Permian Basin. The company was founded by Mark A. Fischer and Charles A. Fischer, Jr. in April 1988 and is headquartered in Oklahoma City, OK.

Chesapeake Oilfield Services, Inc. is a diversified oilfield services company whose operating subsidiaries provide services and equipment primarily to Chesapeake Energy Corporation and its working interest partners, as well as other customers in the upstream oil and natural gas industry in the United States. Its services include contract drilling, hydraulic fracturing, oilfield rentals, rig relocation, fluid transportation, disposal, and manufacturing of natural gas compressor packages. The company was founded on April 10, 2012 and is headquartered in Oklahoma City, OK.

Sundrop Fuels, Inc. provides technology to produce any type of renewable, liquid advanced biofuel, from gasoline to diesel and aviation fuels. Its high-temperature solar gasification process turns plant material into liquid transportation fuel for immediate use in automobiles, diesel engines and aircraft. The company was founded by Jensen Reed and P. Michael Masterson in 2008 and is headquartered in Longmont, CO.

AEU Incentive Holdings LLC explores and oil and natural gas properties. It develops new oil and gas projects within the regions. The firm also offers energy resources in the utica shale of Ohio. The company was founded in 2013 and is headquartered in Oklahoma City, OK.

Ascent Resources - Utica LLC provides oil and gas exploration and production services on the Utica Shale play in Eastern Ohio. The firm operates as an exploration and production company that focuses on the development of unconventional resources. The company was founded by Aubrey Kerr McClendon on June 14, 2013 and is headquartered in Oklahoma, OK.

Avondale Acquisition Corp. operates as a development stage company. The company intends to focus on the onshore U.S. oil and natural gas industry. Avondale Acquisition was founded on January 21, 2015 and is headquartered in Oklahoma City, OK.

White Star Petroleum LLC operates as an independent oil and natural gas company. It focuses on the acquisition, development, operation and production of unconventional oil and natural gas properties. The company was founded by Aubrey Kerr McClendon in 2013 and is headquartered in Oklahoma City, OK.

American Energy Minerals Holdings LLC operates as an oil and natural gas company. The company was founded on October 21, 2013 and is headquartered in Oklahoma, OK.

Cytovance Biologics, Inc. operates as a biopharmaceutical contract manufacturing company. It specializes in the production of therapeutic proteins and antibodies from both mammalian cell culture and microbial fermentation. Its services include Cell Line Selection, Cell Culture, Recovery and Purification, Analytical development, Troubleshooting Existing Processes, Final Product Fill and Finish, Technology Transfer, Microbial Fermentation, Purification, Cell banking and storage, and Project management. The company was founded in 2003 and is headquartered in Oklahoma City, OK.

Permian Resources Holdings LLC provides investment services with interests in oil and gas industry. The company was founded by Aubrey Kerr McClendon in 2014 and is headquartered in Oklahoma City, OK.