Advance Auto Parts, is headquartered in Roanoke, Virginia, and is now the largest retailer of automotive replacement parts and accessories in the United States by store count after acquiring CARQUEST in October 2013. AAP was founded in 1932 and had 2011 sales of approximately $6.2 billion. AAP operates over 3,800 stores in forty U.S. states and has over 55,000 employees.In 2005, Advance Auto Parts purchased Autopart International, Inc. which operates 202 stores along the Atlantic Seaboard.