| Business | Phone |
| Vistawall Architectural Prods 11652 Fairgrove Industrial Bl, Maryland Heights 63043 | (314) 569-2001 |
| United States Aluminum Corp 11621 Fairgrove Industrial Bl, Maryland Heights 63043 | (314) 997-5112 |
| Integris Metals 2630 Metro Blvd, Maryland Heights 63043 | (314) 344-0123 |