| Business | Phone |
| American Postal Workers Union 3113 Williamson Rd Nw, Roanoke 24012 | (540) 362-3574 |
| Carpenters' & Millwrights' Lcl 1202 Jamison Ave Se, Roanoke 24013 | (540) 343-2621 |
| Communications Workers-America 305 1st St Sw 600, Roanoke 24011 | (540) 343-2759 |
| Ibew 6306 Peters Creek Rd, Roanoke 24019 | (540) 563-0336 |
| International Alliance-Thtrcl 710 Williamson Rd Ne, Roanoke 24016 | (540) 345-9263 |
| Laborers Local 980 6145 Airport Rd, Roanoke 24019 | (540) 366-3401 |
| Local 162 Iue 8224 Shadwell Dr, Roanoke 24019 | (540) 563-9620 |
| National Assn-Letter Carriers 1015 Georgia Ave Ne, Roanoke 24012 | (540) 342-9577 |
| National Conference Of Firemen 2101 Dale Ave Se, Roanoke 24013 | (540) 342-7722 |
| Plumbers & Steamfitters Union 1606 Orange Ave Nw, Roanoke 24017 | (540) 345-7611 |
| Roanoke Firefighters Assn 1115 Patterson Ave Sw, Roanoke 24016 | (540) 344-2041 |
| Roanoke United Central Labor 2101 Dale Ave Se, Roanoke 24013 | (540) 345-4561 |
| Va Nc Laborers District 6145 Airport Rd, Roanoke 24019 | (540) 366-6745 |
| United Steelworkers Of America 5338 Peters Creek Rd C, Roanoke 24019 | (540) 563-5022 |
| United Transportation Union 145 Campbell Ave Sw 207, Roanoke 24011 | (540) 982-0286 |
| United Transportation Union 2823 Williamson Rd Nw, Roanoke 24012 | (540) 366-7002 |