pulling out in 2012. Dispersion With the division of ARCO between BP and Tesoro, West Coast franchising rights were split between BP (Washington, Oregon and Northern California) and Tesoro subsidiary company Treasure Franchise Company LLC (Arizona, Nevada, Utah and Southern California). Franchised and BP-owned units of ampm are also found in parts of Mexico, usually co-located with a Pemex (which is the main provider of gas in the country) and in Brazil usually, with an Ipiranga station. In Argentina and Chile they can be found in Repsol-YPF/ACA stations. See also List of companies of Japan List of convenience stores References External links 1978 establishments in California ARCO BP subsidiaries Convenience stores of the United States American companies established in 1978 Retail companies established in 1978 Fast-food chains of the United States