Established in 1979, AutoZone is one of the leading, publicly owned retailers and distributors of automotive replacement parts and accessories in the United States. The company operates more than 4,200 stores in the U.S., Puerto Rico and Mexico. Its stores offer parts for cars, sport utility vehicles, vans and light-duty trucks. The company s stores provide a range of external engines, brakes, air charger spacer kits, accelerator cables, trailer hitches and ballast resistors. Its stores offer products from various brands, such as the Actron, Flowmaster, FRAM, Bosch, Reese and Optima. The company s stores also provide starters, alternators and batteries, as well as troubleshooting and repair services. AutoZone s stores offer gift cards of various denominations. It has partnerships with Midas and CarMax. The company s stores are spread over an area of more than 7,500 square feet. AutoZone operates a subsidiary, ALLDATA, which provides automotive repair information.