Atlas Pipeline Partners, L.P. is a provider of natural gas gathering services in the Anadarko, Arkoma and Permian Basins and the Golden Trend in the southwestern and mid-continent United States, and the Appalachian Basin in the eastern United States. In addition, the Company is a provider of natural gas processing and treatment services in Oklahoma and Texas. It also provides interstate gas transmission services in southeastern Oklahoma, Arkansas, southern Kansas and southeastern Missouri. The Company conducts its business in the midstream segment of the natural gas industry through two reportable segments: Mid-Continent operations and Appalachian operations. The Company’s general partner, Atlas Pipeline Partners GP, LLC (Atlas Pipeline GP), manages its operations and activities through its ownership of its 2% general partner interest.