The first Five Guys restaurant opened in 1986 in Arlington County, Virginia. By 2001, there were five locations in the Washington, D.C., metro area. In early 2003, Five Guys began franchising, beginning a period of rapid expansion. In a year and a half, permits had been sold for over 300 franchised locations. As of 2016[update], Five Guys had over 1,700 locations open worldwide, with 1,300 locations under development. It was the fastest-growing fast food chain in the United States, with a 32.8% sales increase from 2010 to 2011.
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^"Contact Us". Five Guys. Retrieved April 23, 2018. Five Guys Enterprises, LLC 10718 Richmond Highway, Lorton, VA 22079 USA
^Previous locations include 10440 Furnace Road Suite 205 Lorton, VA 22079, as stated by Contact Us retrieved on October 1, 2012 and archived on September 20, 2012, and 8390 Terminal Road Suite B Lorton, VA 22079 as stated by Contact, archived on November 28, 2006 and retrieved on October 1, 2012.