Founded in 1962, Big O Tires, LLC is one of the leading retail tire franchisors in North America. Based in Tucson, 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.