| Business | Phone |
| United Steelworkers Of America 5613 State Highway 136, Amarillo 79107 | (806) 381-0831 |
| United Transportation Union 112 W 8th Ave, Amarillo 79101 | (806) 342-4141 |
| Teamsters Local Union 201 N Johnson St, Amarillo 79107 | (806) 373-4349 |
| Plumbers & Steamfitters 1505 W 7th Ave, Amarillo 79101 | (806) 374-2895 |
| Metal Trades Council 200 S Fannin St, Amarillo 79106 | (806) 372-5073 |
| National Postal Mail Handlers 2301 Ross St, Amarillo 79120 | (806) 345-3111 |
| Operating Engineers 702 S Madison St, Amarillo 79101 | (806) 373-2273 |
| Ibew 200 S Fannin St, Amarillo 79106 | (806) 376-9945 |
| International Guards Union Amarillo 79107 | (806) 383-1329 |
| Iron Workers Joint Apprentice 8211 D Ave, Amarillo 79118 | (806) 335-2544 |
| Plumbers & Steamfitters 322 S Bonham St, Amarillo 79106 | (806) 374-4322 |
| Joint Protective Board Brthd 3611 S Soncy Rd # 5d, Amarillo 79119 | (806) 353-9914 |
| Afscme Local 3848 2603 S Taylor St, Amarillo 79109 | (806) 371-0862 |
| Amarillo 49 Sheet Metal Jatc 311 N Mcmasters St, Amarillo 79106 | (806) 372-1437 |
| Amarillo Firefighters Assn 613 Se 46th Ave, Amarillo 79118 | (806) 376-7038 |
| Brotherhood-Locomotive Engrs 7637 Canyon Dr, Amarillo 79110 | (806) 358-9025 |
| Carpenters 702 S Madison St, Amarillo 79101 | (806) 373-4574 |
| Communications Workers-America 1308 S Johnson St, Amarillo 79101 | (806) 374-6128 |