Costco Wholesale Corporation is an American membership-only warehouse club that provides a wide selection of merchandise. , it was the third largest retailer in the United States, in 2015 it is the second largest in the world (after Walmart) and the largest membership warehouse club chain in the United States.
Costco Wholesale Corporation is an American membership-only warehouse club that provides a wide selection of merchandise. , it was the third largest retailer in the United States, in 2015 it is the second largest in the world (after Walmart) and the largest membership warehouse club chain in the United States.