WSCO distributes unbranded fuel, as well as Chevron-, Shell-, Phillips 66-, Texaco- and Valero-branded products.

Starting with 16 locations in 1970, WSCO Petroleum has grown as an independent petroleum distributor in the Pacific Northwest, serving Oregon and Washington under the Astro brand. In addition to unbranded fuel, WSCO distributes Shell and Chevron branded fuel. Its three retail formats include Astro kiosk format, Astro Express Mart and Astro Express Mart & Deli, with the latter two offering beer caves.

For benchmarking purposes, store counts are as of Jan. 1, 2023.

Headquarters:Portland, Oregon
No. of Stores:38
Rank Last Year:168