Plains GP Holdings, L.P., through its subsidiary, Plains All American Pipeline, L.P., owns and operates midstream infrastructure systems in the United States and Canada. It operates through Crude Oil and Natural Gas Liquids (NGLs) segments. The company engages in the gathering and transporting crude oil using pipelines, trucks, and barges or railcars. It also provides terminalling, storage, and other related services. In addition, the company is involved in the natural gas processing and NGL fractionation, storage, transportation, and terminalling activities. PAA GP Holdings LLC operates as a general partner of the company. Plains GP Holdings, L.P. was incorporated in 2013 and is headquartered in Houston, Texas.