1950s drive-ins are popular. Chicago's Bressler's Ice Cream Company, which sells 33 varieties, expands into fast food.
Henry's Hamburgers began as a fast-food spinoff in 1954, but the burgers took off on their own. By the mid-1960s, the business had 200 outlets coast to coast and was bigger than McDonald's.
Burger Chef was a fast-food powerhouse of its day, opening 1,000 stores in 15 years. In 1972, only McDonald's (1,600 restaurants) had more locations than KFC (1,200).
The Indianapolis-based firm employed several industry firsts to gain success, including an unique flame broiler, automated milkshake equipment, and soft-serve ice cream machines.
This Mid-Atlantic burger company was founded in 1957 by NFL Hall of Famer Gino Marchetti.
Its outlets mixed culinary mainstays like Gino Giant and sports memorabilia. Its $1.75 Meal for Five made it a popular family destination.
Red Barn pioneered the Big Barney and Barnbuster burgers and the first fast food self-service salad bar.
The brand, started in 1961 in Springfield, Ohio, has 300 to 400 locations in 19 states, Canada, and Australia.
White Tower, founded in 1926, five years after White Castle, was a copycat from the start.
From the menu to the name to the white fortress-like structures, everything was borrowed from Kansas. The father-son founders even hired a former White Castle operator.