Palmetto Sub House.

Four alarm hunger might drive some sandwich lovers to these restaurants. Firehouse Restaurant Group operates and franchises more than 500 Firehouse Subs sandwich shops in Florida and about 20 other mostly Southern states. The chain offers a variety of hot and cold sub-style sandwiches with names such as the Hook & Ladder and the Engine Company Sub. The menu also features soups, salads, and sides. About 30 of the eateries are company-owned, while the rest are franchised. Brothers and fire fighters Robin and Chris Sorensen started Firehouse Subs in 1994 after gaining popularity as firehouse cooks.