Wal-Mart Stores is an irresistible (or at least unavoidable) retail force that has yet to meet any immovable objects. Bigger than Europe's Carrefour, Tesco, and Metro AG combined, it is the world's #1 retailer, with about 6,775 stores, including some 1,075 discount stores, 2,250 combination discount and grocery stores (Wal-Mart Supercenters in the US and ASDA in the UK), and 580 warehouse stores (SAM'S CLUB). About 60% of its stores are in the US, but Wal-Mart is expanding internationally; it is the #1 retailer in Canada and Mexico. It also owns a 95% stake in Japanese retailer SEIYU. Wal-Mart also has operations in Asia, Europe, and South America. Founder Sam Walton's heirs own about 40% of Wal-Mart.

General Motors

So far General Motors (GM) has steered around competitors to remain the world's #1 maker of cars and trucks, with brands such as Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, and Saturn. GM also produces cars through its Holden, Opel, and Vauxhall units. GM also has stakes in Suzuki Motor, and GM Daewoo Auto & Technology. AffiliateGMAC provides financing. GM has been selling off non-core assets including stakes in Fiat and Fuji Heavy Industries (Subaru), as well as its locomotive manufacturing business. Like its US counterparts Ford Motor and Chrysler, GM is in the midst of restructuring its sprawling North American operations.