Plains Gas Solutions is a Houston-based midstream resource management company that designs and operates gas processing and condensate processing plants.

Plains Oryx Permian Basin LLC, a joint venture between Plains and Oryx Midstream Services Permian Basin LLC, is a leading crude oil midstream service provider in the Permian Basin.

Rancho LPG Holdings, an indirect subsidiary of Plains All American L.P., is a liquified petroleum gas storage facility located in San Pedro, California.