7) Firehouse Subs
Consumer Reports Grade: 84/100
Founded just 20 years ago in Jacksonville, Florida, by former firefighters, Firehouse Subs specializes in hot subs and also offers subs and salads under 500 calories. It has more than 700 restaurants in 36 states. It earned this spot on the list because of its staffs’ politeness and the cleanliness of its dining areas.
