Headquartered in Englewood, Colorado, Big O Tires is one of North Americas fastest-growing retail tire and auto service networks. Big O Tires serves the high performance, light truck, and passenger markets with its network of more than 530 franchises and company-owned retail stores. Big O stores are strategically located in 20 Western, Midwestern and Southeastern states and Canada. Big O was founded in 1962 by a small group of tire dealers committed to providing high quality products and customer delight. That commitment continues today with a complete line of exclusive Big O brand passenger, light truck, and performance tires. It offers brand-name tires and related automotive products and services such as brakes, alignment, and front-end repair services.