Big O Tires is one of the largest tire store franchises in the U.S., with more than 390 franchisee locations in 19 states. As one of the longest-established auto service franchises, Big O Tires has been serving customers since 1962. With our exclusive Big O brand tires, lifetime warranties and high standard of customer service, Big O continues to expand to new markets. Independent ownership with the corporate backing of TBC Corporation creates huge advantages for Big O Tires franchise owners.