| Business | Phone |
| National Products 610 S Y St, Fort Smith 72916 | (479) 782-1802 |
| Nicodemus Sheet Metal Supply Inc 1922 N 6th St, Fort Smith 72904 | (479) 782-6992 |
| Rowe Sheet Metal Works 421 N B St, Fort Smith 72901 | (479) 783-4953 |
| Absco Metal Fabricators 1915 S 11th St, Fort Smith 72901 | (479) 783-4202 |