| Business | Phone |
| American Postal Workers Union 109 S Dudley St, Greensboro 27401 | (336) 272-7594 |
| Triad Central Labor Body 325 W J J Dr, Greensboro 27406 | (336) 274-2722 |
| Chauffeurs & Teamsters Local Po Box 35405, Greensboro 27425 | (336) 668-0441 |
| Communications Workers-America 129 Industrial Ave, Greensboro 27406 | (336) 230-1211 |
| Communications Workers-America 1400 Battleground Ave, Greensboro 27408 | (336) 574-3650 |
| Communications Workers-America 2275 Vanstory St # 106, Greensboro 27403 | (336) 297-4221 |