| Business | Phone |
| Upshur County 911 Mapping 101 E Cass St, Gilmer 75644 | (903) 843-0100 |
| Upshur County Appraisal Dist 105 Diamond Loch Rd, Gilmer 75644 | (903) 843-3041 |
| Upshur County Appraisal Dist 1711 W Latch Rd, Gilmer 75644 | (903) 843-3041 |
| Upshur County Commissioner 4 100 W Tyler St, Gilmer 75644 | (903) 843-4023 |
| Upshur County District Clerks 405 Titus St, Gilmer 75644 | (903) 843-5031 |
| Upshur County Extension Svc 100 W Tyler St 107, Gilmer 75644 | (903) 843-4019 |
| Upshur County Indigent Health 100 W Tyler St, Gilmer 75644 | (903) 843-4022 |
| Upshur County Justice Of Peace 405 Titus St, Gilmer 75644 | (903) 843-5023 |
| Upshur County Justice Of-Peace 100 W Tyler St, Gilmer 75644 | (903) 843-4039 |
| Upshur County Juvenile Prob 100 W Tyler St, Gilmer 75644 | (903) 843-4007 |
| Upshur County Maintenance Supr 100 W Tyler St, Gilmer 75644 | (903) 843-4024 |
| Upshur County Precinct 2 Highway 155, Gilmer 75644 | (903) 762-6266 |
| Upshur County Veterans Svc 100 W Tyler St 102, Gilmer 75644 | (903) 843-4031 |
| Upshur County Warehouse Po Box 730, Gilmer 75644 | (903) 762-6731 |