Costco Wholesale Corporation (commonly shortened to Costco) is an American multinational corporation which operates a chain of membership-only big-box warehouse club retail stores. As of 2023, Costco is the third-largest retailer in the world and is the world's largest retailer of choice and prime beef, organic foods, rotisserie chicken, and wine as of 2016. Costco is ranked #11 on the Fortune 500 rankings of the largest United States corporations by total revenue.[6] Costco uses a club warehouse wholesale retailer channel of distribution while also selling their private label brand directly to consumers.