Costco Wholesale Corporation engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Australia and Spain. It offers branded and private-label products in.

Costco Wholesale Corporation, together with its subsidiaries, engages in the operation of membership warehouses in the United States, Puerto Rico, Canada, the United Kingdom, Mexico, Japan, Korea, Australia, Spain, France, Iceland, China, and Taiwan. It offers branded and private-label products in a range of merchandise categories. The company offers sundries, dry groceries, candies, coolers, freezers, liquor, and tobacco and deli products; appliances, electronics, health and beauty aids, hardware, garden and patio products, sporting goods, tires, toys and seasonal products, office supplies, automotive care products, postages, tickets, apparel, small appliances, furniture, domestics, housewares, special order kiosks, and jewelry; and meat, produce, service deli, and bakery products. It also operates pharmacies, opticals, food courts, hearing-aid centers, and tire installation centers, gas stations; and offers business delivery, travel, same-day grocery, and various other services online in various countries. The company has warehouses in the United States, Puerto Rico, Canada, Mexico, Japan, the United Kingdom, South Korea, Taiwan, Australia, Spain, Iceland, France, and China. It also operates e-commerce websites in the United States, Canada, the United Kingdom, Mexico, South Korea, Taiwan, Japan, and Australia. The company was formerly known as Costco Companies, Inc. and changed its name to Costco Wholesale Corporation in August 1999. Costco Wholesale Corporation was founded in 1976 and is based in Issaquah, Washington.