Crestwood Equity Partners LP develops, acquires, owns, controls, and operates assets and operations in the energy midstream sector in the United States. It operates through three segments: Gathering and Processing North, South, and Storage and Logistics. North segment offers natural gas, crude oil, and produced water gathering, compression, treating, processing, and disposal services to producers in the Williston Basin and Powder River Basin. South segment provides natural gas gathering and processing services in the Marcellus, Barnett, and Delaware basins. North and South segment owns and operates natural gas facilities with approximately 0.4 Bcf/d of gathering