| Business | Phone |
| Jtpa Main Ofc 815 Alderson St, Williamson 25661 | (304) 235-4849 |
| Mingo County Circuit Clerk 75 E 2nd Ave, Williamson 25661 | (304) 235-0320 |
| Mingo County Commission 75 E 2nd Ave 308, Williamson 25661 | (304) 235-0378 |
| Mingo County Emergency Comms 75 E 2nd Ave, Williamson 25661 | (304) 235-0566 |
| Mingo County Extension Office 75 E 2nd Ave 3, Williamson 25661 | (304) 235-0370 |
| Mingo County Finance Office 75 E 2nd Ave 308, Williamson 25661 | (304) 235-0348 |
| Mingo County Maintenance Rr 1 Box 305, Williamson 25661 | (304) 235-0014 |
| Mingo County Purchasing 75 E 2nd Ave, Williamson 25661 | (304) 235-0380 |
| Mingo County Weatherization 815 Alderson St, Williamson 25661 | (304) 235-1702 |