Quiznos, is an American franchised fast-food restaurant brand based in Denver, Colorado, that specializes in offering toasted submarine sandwiches.  It was founded in 1981 by Jimmy Lambatos and sold to Rick and Richard  Schaden ten years later, before growing to nearly 5,000 restaurants  afterwards. Quiznos was the second-largest submarine sandwich shop chain in North America, behind Subway.[4] A 2016 survey indicated that Quiznos was the ninth-largest submarine sandwich shop chain based on sales.[5] The publications Restaurant Business and Mashed.com reported in mid-2018 that Quiznos had only 400 locations remaining by  2017 after a high of 4,700 locations in 2007 just a decade earlier,[6][7] while, money.com reported in May 2018 that Quiznos had 1,500 locations across the U.S.[8]