White Castle (restaurant)
Wendy's
Waffle House
Arby's
Zaxby's
Back Yard Burgers
Sonic Drive-In
Jack's
SPB Hospitality
KFC
Chick-fil-A
Whataburger
Five Guys
Restaurant chain
krystal.com
Krystal is an American regional fast food restaurant chain headquartered in Dunwoody, Georgia, with restaurants in the Southeastern United States and Puerto Rico. Wikipedia