Crosstex Energy, Inc., through its partnership interest in Crosstex Energy, L.P., engages in gathering, transmission, treating, processing, and marketing natural gas and natural gas liquids (NGLs) in the United States. The company connects the wells of natural gas producers in its market areas to its gathering systems; treats natural gas to remove impurities; processes natural gas for the removal of NGLs; fractionates NGLs into purity products; and transports natural gas to various markets. It also purchases natural gas from natural gas producers and other supply points; and sells that natural gas to utilities, industrial consumers, other marketers, and pipelines. In addition, it operates processing plants that process gas transported to the plants by interstate pipelines or from its own gathering systems. Further, the company purchases natural gas from producers not connected to gathering systems for resale and sells natural gas on behalf of producers. As of December 31, 2008, it operated approximately 5,700 miles of natural gas gathering and transmission pipelines, 12 natural gas processing plants, 4 fractionators, and 200 treating and dew point control plants. The company was founded in 1996 and is based in Dallas, Texas.