AutoZone, Inc. is a retailer and distributor of automotive replacement parts and accessories. As of August 29, 2009, the Company operated 4,229 stores in the United States and Puerto Rico, and 188 in Mexico. Each of its stores 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. As of August 29, 2009, in 2,303 of its stores, the Company also had a commercial sales program that provides commercial credit and prompt delivery of parts and other products to local, regional and national repair garages, dealers, service stations and public sector accounts. The Company also sells the ALLDATA brand automotive diagnostic and repair software through www.alldata.com. Additionally, it sells automotive hard parts, maintenance items, accessories and non-automotive products through www.autozone.com.