Costco Wholesale is the largest wholesale club operator in the US. The company operates more than 590 membership warehouse stores serving some 64 million cardholders in 40 US states and Australia, Canada, Japan, Mexico, Puerto Rico, South Korea, Taiwan, and the UK, primarily under the Costco Wholesale name. Stores offer discount prices on an average of about 4,000 products (many in bulk packaging), ranging from alcoholic beverages and appliances to fresh food, pharmaceuticals, and tires. Certain club memberships also offer products and services such as car and home insurance, mortgage and real estate services, and travel packages.