Chesapeake Energy Corp. engages as a natural gas and oil exploration and production company. It operates through the following segments: Exploration and Production; and Marketing, Gathering and Compression. The Exploration and Production segment focuses on finding and producing natural gas, oil and natural gas liquids. The Marketing, Gathering, and Compression segment deals with the marketing, gathering, and compression of natural gas, oil, and natural gas liquids primarily from Chesapeake-operated wells. The company was founded by Aubrey K. McClendon and Tom L. Ward on May 18, 1989 and is headquartered in Oklahoma City, OK.