Summit Midstream Partners LP develops, owns, and operates midstream energy infrastructure assets strategically located in unconventional resource basins, mainly shale formations. It operates through the following segments: Northeast, Rockies, Permian, Piceance, and Barnett. The Northeast segment is involved in Utica and Marcellus shale plays and the equity method investment in Ohio gathering that is the Utica Shale. The Rockies segment includes the wholly owned midstream assets in the Williston Basin and DJ Basin. The Permian segment covers equity method investment in double E. The Piceance segment offers midstream assets located in the Piceance Basin. The Barnett segment provides wholly owned midstream assets located in the Barnett Shale. The company was founded by Steven J. Newby in May 2012 and is headquartered in Houston, TX.