Wal-Mart

Wal-Mart Stores is bigger than Europe's Carrefour, Metro AG, and Tesco combined, it's the world's #1 retailer with more than 2.1 million employees. In the US Wal-Mart operates about 700 discount stores, 2,900 Supercenters that sell groceries and general merchandise, 610 Sam's Club warehouses, and a growing number of smaller format stores. The company's faster growing international division (26% of sales) numbers more than 4,500 locations; Wal-Mart is the #1 retailer in Canada and Mexico and has operations in Asia (where it owns a 95% stake in Japanese retailer SEIYU), Africa, Europe, and South America.