Crosstex Energy, L.P. operates as an independent midstream energy company. The company, through its subsidiary, Crosstex Energy Services, L.P., engages in gathering, transmission, processing, and marketing natural gas and natural gas liquids (NGLs) in the north Texas Barnett shale area and Louisiana. Its activities include connecting the wells of natural gas producers to its gathering systems; processing natural gas for the removal of NGLs; fractionating NGLs into purity products, such as ethane, propane, isobutene, normal butane, natural gasoline, and stabilized condensate; marketing those NGL products; transporting natural gas; and providing it to various markets. The company also purchases natural gas from natural gas producers and other supply sources, and sells that natural gas to utilities, industrial consumers, and other marketers and pipelines. In addition, it purchases natural gas from producers not connected to its gathering systems for resale. The company operates approximately 3,300 miles of natural gas gathering and transmission, and NGL pipelines. Crosstex Energy GP, LLC serves as the general partner of the company. Crosstex Energy, L.P. was founded in 1992 and is headquartered in Dallas, Texas.