Hungry? Pick up a sub sandwich at our Firehouse Subs location located off Centerline Dr in Knoxville, TN. Our sandwich shop specializes in hot subs made with premium meats and cheeses, steamed to perfection, then piled high on a toasted private recipe roll. Our menu will surely satisfy your appetite! A portion of every purchase at our sub shops goes towards lifesaving equipment to first responders in our communities.