Founded in 1976, UDI specializes in manufacturing stairways. It offers a range of curved trim, mortised, wedge and molding staircases. The company also provides a variety of stair parts and accessories. UDI offers various arched jamb systems. The company serves various clients in the commercial and residential sectors. In addition, it maintains a showroom and offers framing and installation services. UDI provides online product catalog and ordering forms.. Stairs