Founded in 1962, Big O Tires LLC is one of the leading retail tire franchisors in North America. Based in Phoenix, Ariz., the company operates more than 500 locations in 21 states nationwide. It stocks a range of car, light truck, sports-utility vehicle (SUV) and performance tires. Big O Tires LLC supplies tires from numerous manufacturers, including Mickey Thompson, Dunlop, Cooper, Falken, Uniroyal, Yokohama and Michelin. The company renders tire repair services, wheel alignment, oil changing and air filter changing services.