Republic Doors and Frames has a long history as one of the nation's leading manufacturers of commercial steel doors and frames. Republic's manufacturing and offices occupy 240,000 square feet on 33 acres in McKenzie, Tennessee. Strategically located halfway between Memphis and Nashville approximately 25 miles north of Interstate 40 (I-40). Republic's doors and frames are marketed in all 50 states and in several foreign countries through a network of stocking distributors and company owned service centers.