COST Stock Price | Costco Wholesale Corp. Stock Quote (U.S.: Nasdaq) | MarketWatch

Costco Wholesale Corp. engages in the operation of membership warehouses through wholly owned subsidiaries. It operates through the following geographical segments: United States, Canada, and Other International Operations. The company was founded by James D. Sinegal and Jeffrey H. Brotman in 1983 and is headquartered in Issaquah, WA.