Plains GP Holdings, L.P. owns and operates midstream energy infrastructure and provides logistics services for crude oil, natural gas liquids (NGL), natural gas and refined products. The Company operates through three segments: Transportation, Facilities, and Supply and Logistics. Through its three business segments, the Company is engaged in the transportation, storage, terminaling and marketing of crude oil, NGL and natural gas. The Transportation segment operations consist of fee-based activities associated with transporting crude oil and NGL on pipelines, gathering systems, trucks and barges. The Facilities segment operations consist of fee-based activities associated with providing storage, terminaling and throughput services for crude oil, refined products, NGL and natural gas, as well as NGL fractionation and isomerization services and natural gas and condensate processing services. The Supply and Logistics segment operations consist of the merchant-related activities.