The Sears Holdings Corporation is an American holding company headquartered in Hoffman Estates, Illinois, a suburb of Chicago. It is the owner of retail store brands Sears and Kmart, and was founded after the latter purchased the former in 2005. Sears Holdings also owns the brands Kenmore and DieHard. A sale of Craftsman is pending. Sears Holdings operates 1,503 retail locations under the mastheads of Sears, Kmart, and their subsidiaries, such as auto centers and pharmacies, in all 50 states, Puerto Rico, and Guam. As of 2014, it is the 18th-largest retailing company in the United States.