Headquartered in Roanoke, Va., Advance Auto Parts, Inc., the largest automotive aftermarket parts provider in North America, serves both the do-it-yourself and professional installer markets. As of April 19, 2014 Advance operated 5,276 company-operated stores, 105 Worldpac branches, and served approximately 1,400 independently owned Carquest branded stores in 49 states, Puerto Rico, the Virgin Islands and Canada. Advance employs approximately 74,000 Team Members.