Costco
Costco Wholesale Corporation is the seventh largest retailer in the world. As of July 2012, it was the fifth largest retailer in the United States, and the largest membership warehouse club chain in the United States. As of October 2007, Costco is the largest retailer of wine in the world.
Read more about Costco: Location, History, Costco Today, Sales Model, Membership, Products, Services, Animal Welfare Concerns, Labor Relations, International, Locations, Other Wholesale Formats