Plains All American Pipeline, L.P., through with its subsidiaries, engages in the transportation, storage, terminalling, and marketing of crude oil, natural gas liquids (NGL), natural gas, and refined products in the United States and Canada. The company operates in three segments: Transportation, Facilities, and Supply and Logistics. The Transportation segment transports crude oil and NGL through pipelines, gathering systems, trucks, and barges. As of December 31, 2014, this segment owned and leased 17,800 miles of active crude oil, and NGL and gathering systems; 29 million barrels of active and above-ground tank capacity; 800 trailers; 149 transport and storage barges; and 72 transport tugs. The Facilities segment provides storage, terminalling, and throughput services for crude oil, refined products, and NGL and natural gas; and NGL fractionation and isomerization, and natural gas and condensate processing services. This segment owned and operated approximately 73 million barrels of crude oil and refined products storage capacity; 23 million barrels of NGL storage capacity; 97 billion cubic feet of natural gas storage working capacity; 29 billion cubic feet of base gas; 11 natural gas processing plants; 1 condensate processing facility; 7 fractionation plants; 26 crude oil and NGL rail terminals; 6 marine facilities; and 1,100 miles of active pipelines. The Supply and Logistics segment purchases crude oil at the wellhead, pipeline, and terminal and rail facilities; purchases cargos at their load port and various locations in transit; purchases NGL; stores inventory, and NGL and natural gas; resells or exchanges crude oil and NGL; transports crude oil and NGL on trucks, barges, railcars, pipelines, and ocean-going vessels; and purchases and sells natural gas. This segment owned 990 trucks and 1,100 trailers; and 8,100 crude oil and NGL railcars. Plains All American Pipeline, L.P. was founded in 1998 and is headquartered in Houston, Texas.