EXCO Resources, Inc. is an oil and natural gas company. The firm engages in the exploration, exploitation, acquisition, development, and production of onshore U.S. oil and natural gas properties with a focus on shale resource plays. It holds interests in various projects located in East Texas, North Louisiana, Appalachia, and the Permian Basin in West Texas. The company was founded in October 1955 and is headquartered in Dallas, TX.