| Business | Phone |
| Ibew 2914 Midland Blvd, Fort Smith 72904 | (479) 783-1149 |
| Pace International Union 1745 N 6th St, Fort Smith 72904 | (479) 782-2227 |
| Pace International Union 2107 Brazil Ave, Fort Smith 72908 | (479) 646-3463 |
| Teamsters 4314 Phoenix Ave, Fort Smith 72903 | (479) 646-1639 |
| United Auto Workers 5523 S 28th St, Fort Smith 72901 | (479) 646-1071 |
| United Steelworkers Of America 2800 Yuma St, Fort Smith 72901 | (479) 646-6766 |
| United Steelworkers Of America 5500 S 28th St, Fort Smith 72901 | (479) 646-6143 |
| Carpenters 5215 Kelley Hwy, Fort Smith 72904 | (479) 783-4139 |