| Business | Phone |
| Smith County Agent's Office 125 Gordonsville Hwy # 300, Carthage 37030 | (615) 735-2900 |
| Smith County Circuit Crt Clerk 211 Main St N, Carthage 37030 | (615) 735-0500 |
| Smith County Election Comm 122 Turner High Cir # 105, Carthage 37030 | (615) 735-8241 |
| Smith County Executive 122 Turner High Cir, Carthage 37030 | (615) 735-2294 |
| Smith County Land Use Adm 122 Turner High Cir, Carthage 37030 | (615) 735-3418 |
| Smith County Landfill 370 Kennedy Rd, Carthage 37030 | (615) 735-1941 |
| Smith County Register Of Deeds 122 Turner High Cir # 113, Carthage 37030 | (615) 735-1760 |
| Smith County Trustee's Office 122 Turner High Cir # 104, Carthage 37030 | (615) 735-8242 |
| Smith County Veteran's Svc 122 Turner High Cir, Carthage 37030 | (615) 735-1148 |