Originally founded in 1967 as Waremart , the name was changed in 1999 to WinCo, which stands for "Winning Company" .
As of 2026, WinCo has 145 retail stores across Arizona, California, Idaho, Montana, Nevada, Oklahoma, Oregon, Texas, Utah, and Washington. Winco (Commercial Kitchenware) Originally founded in 1967 as Waremart , the
"WinCo" most commonly refers to , a major employee-owned supermarket chain in the Western U.S. known for its warehouse-style shopping and low prices . The name also belongs to Winco (Winco Industries), a manufacturer of commercial-grade kitchenware and restaurant supplies. WinCo Foods (The Supermarket Chain) Originally founded in 1967 as Waremart