| Business | Phone |
| International Assoc-Machinists 801 Main Ave, Nitro 25143 | (304) 755-4308 |
| United Steel Wkrs Local 510 Main Ave, Nitro 25143 | (304) 755-7002 |
| United Steelworkers Of America 1902 2nd Ave, Nitro 25143 | (304) 755-2261 |
| United Steelworkers Of America 302 21st St, Nitro 25143 | (304) 755-1171 |
| United Steelworkers Of America 8621 2nd Ave, Nitro 25143 | (304) 755-2261 |