Walmart is a retail corporation that operates a chain of supercenters, discount department stores, and grocery stores from the United States, headquartered in Bentonville, Arkansas. The company was founded by Sam Walton in 1969. It also owns and operates Sam's Club retail warehouses. Walmart has 10,585 stores and clubs in 24 countries, operating under 46 different names. Walmart is the world's largest company by revenue, with about US$570 billion in annual revenue in May 2022.