AutoZone, Inc. is the nation's leading retailer and a leading distributor of automotive replacement parts and accessories in the U.S., Puerto Rico, Mexico, and Brazil. Also, it has offices in Shanghai, China, to support sourcing efforts in Asia. It operates in the Do-It-Yourself (DIY) retail, Do-It-for-Me (DIFM) auto parts and products markets. Each AutoZone store carries an extensive 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. Many of AutoZone stores also have 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. Also, it sells automotive hard parts, maintenance items, accessories and non-automotive products, also performance and replacement parts through websites.