Costco Wholesale Corp. engages in the operation of membership warehouses. The firm's product categories include food and sundries, hardlines, fresh foods, softlines, and ancillary. It operates through the following segments: United States Operations, Canadian Operations, and Other International Operations. The company was founded by James D. Sinegal and Jeffrey H. Brotman in 1983 and is headquartered in Issaquah, WA.