Firehouse Subs is a fast-casual restaurant specializing in subs. They offer a variety of hot subs made with premium meats and cheeses, served on toasted, freshly baked bread. The establishment is known for its commitment to quality ingredients and a unique sub-making process. Key facts used: 'Firehouse Subs', 'subs', 'hot subs', 'meats and cheeses', 'toasted bread'.