Crestwood Equity Partners LP is an energy infrastructure company that develops, acquires, owns, and manages midstream assets and operations across the United States. Its operations are divided into three core business units: Gathering and Processing North, Gathering and Processing South, and Storage and Logistics. The Gathering and Processing North segment provides extensive services for natural gas, crude oil, and produced water, encompassing collection, compression, treatment, processing, and disposal for producers in the Williston and Powder River Basins.