Metal Industries is a privately owned and operated company that manufactures a range of grilles, registers and diffusers under the US Aire brand. The company provides a variety of life and fire safety products under the NCA and Prefco brands. Metal Industries also designs and manufactures several smoke dampers. The company provides air terminal units under the METALAIRE brand. In addition, it has been in operation for more than 60 years. Metal Industries serves clients in the residential market throughout the world. The company offers a selection of louvers. Metal Industries is a member of the U.S. Green Building Council.