Western States Petroleum

Western States Petroleum Association (WSPA) is a non-profit trade association that represents companies that account for the bulk of petroleum exploration, production, refining, transportation and marketing in the five western states of Arizona, California, Nevada, Oregon, and Washington. WSPA’s headquarters is located in Sacramento, California. Additional WSPA locations include offices in Torrance, Concord, Ventura, Bakersfield, and Olympia, Washington.