CARQUEST Auto Parts is owned and operated by Advance Auto Parts, Inc., the largest automotive aftermarket parts provider in North America, servicing both the do-it-yourself and professional installer markets. As of October 4, 2014 Advance operated 5,305 stores, 109 Worldpac branches, and served approximately 1,350 independently-owned Carquest branded stores in 49 states, Puerto Rico, the Virgin Islands and Canada. Advance employs approximately 75,000 Team Members.