Horn USA, Inc. Franklin, TN is a wholly owned US subsidiary of Horn S.A. Luxembourg, Europe's leading supplier of grooving tools and a world leader in precision grooving technology. The company was incorporated in the US in 1997 and in 2020 moved into a new state of the art facility approximately one-quarter mile from the original location. The new headquarters for North American operations is approximately 118,000 sq. ft. under one roof. (less)