PAGP vs WMB

Plains Group Holdings, L.P.

Plains GP Holdings, L.P. owns and operates midstream energy infrastructure in the United States and Canada. It operates through three segments: Transportation, Facilities, and Supply and Logistics. The Transportation segment engages in the transportation of crude oil and natural gas liquids (NGLs) on pipelines, gathering systems, and trucks. As of December 31, 2020, this segment owned and leased assets comprising 18,370 miles of crude oil and NGL pipelines and gathering systems; 35 million barrels of above-ground tank capacity; and 815 trailers. The Facilities segment engages in the provision of storage, terminalling, and throughput services primarily for crude oil, NGLs, and natural gas; NGL fractionation and isomerization services; and natural gas and condensate processing services. As of December 31, 2020, this segment owned and operated approximately 75 million barrels of crude oil storage capacity; 28 million barrels of NGL storage capacity; 68 billion cubic feet (Bcf) of natural gas storage capacity; 26 Bcf of base gas; 5 natural gas processing plants; a condensate processing facility; 8 fractionation plants; 22 crude oil and NGL rail terminals; 5 marine facilities; and 330 miles of pipelines. The Supply and Logistics segment engages in the purchase, logistics, and resale of crude oil and NGL. As of December 31, 2020, this segment owned 16 million barrels of crude oil and NGL linefill; 4 million barrels of crude oil and NGL linefill in pipelines owned by third parties and other inventory; 680 trucks and 840 trailers; and 6,000 crude oil and NGL railcars. The company offers logistics services to producers, refiners, and other customers. PAA GP Holdings LLC operates as a general partner of the company. Plains GP Holdings, L.P. was founded in 2013 and is headquartered in Houston, Texas.

Williams Companies Inc.

The Williams Companies, Inc., together with its subsidiaries, operates as an energy infrastructure company primarily in the United States. It operates through Transmission & Gulf of Mexico, Northeast G&P, and West segments. The Transmission & Gulf of Mexico segment comprises Transco and Northwest natural gas pipelines; and natural gas gathering and processing, and crude oil production handling and transportation assets in the Gulf Coast region. The Northeast G&P segment engages in the midstream gathering, processing, and fractionation activities in the Marcellus Shale region primarily in Pennsylvania and New York, and the Utica Shale region of eastern Ohio. The West segment comprises gas gathering, processing, and treating operations in the Rocky Mountain region of Colorado and Wyoming, the Barnett Shale region of north-central Texas, the Eagle Ford Shale region of South Texas, the Haynesville Shale region of northwest Louisiana, and the Mid-Continent region, which includes the Anadarko, Arkoma, and Permian basins; and natural gas liquid (NGL) and natural gas marketing operations, as well as storage facilities. The company owns and operates 30,000 miles of pipelines, 34 processing facilities, 9 fractionation facilities, and approximately 23 million barrels of NGL storage capacity. The Williams Companies, Inc. was founded in 1908 and is headquartered in Tulsa, Oklahoma.