Costco Wholesale Corporation operates membership warehouses, which offer a selection of branded and private label products in a range of merchandise categories in no-frills, self-service warehouse facilities. The company's product categories include candy, snack foods, tobacco, alcoholic and nonalcoholic beverages, and cleaning and institutional supplies; appliances, electronics, health and beauty aids, hardware, office supplies, garden and patio, sporting goods, furniture, and automotive suppli ...