Wal-Mart Stores, Inc. engages in retail and wholesale business. It operates through the following business segments: Walmart U.S., Walmart International, and Sam's Club. The Walmart U.S. segment includes retail store and digital retail operations in the U.S. It also offers financial services and related products such as money orders, prepaid cards, wire transfers, check cashing, and bill payment. The Walmart International segment is categorized into retail, wholesale, and other formats operations outside the U.S. These categories include supercenters, supermarkets, hypermarkets, warehouse clubs, Sam's Clubs, cash and carry, home improvement, specialty electronics, apparel store, drug stores, convenience stores, and digital retail. The Sam's Club segment comprises membership-only warehouse clubs and samsclubs.com. It offers specialty services, auto buying, pharmacy, optical, hearing aid centers, tire and battery centers, and business operations support services. The company was founded