Advance Auto Parts, Inc. engages in the supply and distribution of aftermarket automotive products for both professional installers and do-it-yourself customers. The company is headquartered in Raleigh, North Carolina and currently employs 33,200 full-time employees. The company went IPO on 2001-11-29. The firm's stores and branches offer a range selection of brand names, original equipment manufacturer (OEM) and owned brand automotive replacement parts, accessories, batteries and maintenance items for domestic and imported cars, vans, sport utility vehicles and light and heavy-duty trucks. The firm operates approximately 4,788 stores primarily within the United States (U.S.), with additional locations in Canada, Puerto Rico and the U.S. Virgin Islands. The firm also serves approximately 934 independently owned Carquest branded stores across these locations in addition to Mexico and various Caribbean islands. Its stores operate primarily under the Advance Auto Parts and Carquest trade names.