Summit Midstream Partners, LP owns and operates midstream energy infrastructure assets for shale formations in the US and provides various natural gas and crude oil gathering and processing services. It serves several unconventional resource basins, including the Bone Spring, Wolfcamp, Barnett, and Marcellus shale formations, among others. As of 2009, the company is headquartered in Houston, Texas, and operates under the guidance of Summit Midstream GP, LLC as its general partner.