AutoZone is a retailer and distributor of automotive replacement parts and accessories. Co. operates several stores in the U.S., Mexico and Brazil. Each store carries a product line for cars, sport utility vehicles, vans and light trucks, including new and remanufactured automotive hard parts, maintenance items, accessories and non-automotive products. Co. also had a commercial sales program that provides commercial credit and delivery of parts and other products to local, regional and national repair garages, dealers, service stations and public sector accounts. In addition, Co. sells the ALLDATA brand automotive diagnostic and repair software.