| Business | Phone |
| Smith County 911 District 11325 Spur 248, Tyler 75707 | (903) 566-8911 |
| Smith County Appraisal Dist 245 S Southeast Loop 323, Tyler 75702 | (903) 510-8600 |
| Smith County Budget Office 100 N Broadway Ave, Tyler 75702 | (903) 535-0470 |
| Smith County Constable 106 E Elm St, Tyler 75702 | (903) 535-0568 |
| Smith County Constable 15405 State Highway 155 S, Tyler 75703 | (903) 561-1699 |
| Smith County Courthouse 100 N Broadway Ave, Tyler 75702 | (903) 535-0500 |
| Smith County Justice-Peace 106 E Elm St, Tyler 75702 | (903) 535-0560 |
| Smith County Justice-Peace 15405 State Highway 155 S, Tyler 75703 | (903) 561-1022 |
| Smith County Juvenile Probatn 100 E Berta St, Tyler 75702 | (903) 535-0850 |
| Smith County Juvenile Probatn 2630 Morningside Dr, Tyler 75708 | (903) 535-0850 |
| Smith County Minimum Security 2811 Public Rd, Tyler 75702 | (903) 535-0991 |
| Smith County Office Building 106 E Elm St, Tyler 75702 | (903) 535-0500 |
| Smith County Personal Bond Ofc 106 E Elm St 202, Tyler 75702 | (903) 535-0775 |
| Smith County Personnel Dept 200 E Ferguson St 206, Tyler 75702 | (903) 535-0513 |
| Smith County Physical Plant 106 E Elm St, Tyler 75702 | (903) 535-0760 |
| Smith County Public Hlth Dist 815 N Broadway Ave, Tyler 75702 | (903) 535-0066 |
| Smith County Purchasing 200 E Ferguson St 414, Tyler 75702 | (903) 535-0505 |
| Smith County Road & Bridge 1700 W Claude St, Tyler 75702 | (903) 535-0879 |
| Smith County Treatment Clinic 928 S Glenwood Blvd, Tyler 75701 | (903) 533-7410 |
| Smith County Veterans Svc Ofc 1517 W Front St 263, Tyler 75702 | (903) 535-0840 |
| Smith County Worthless Check 1517 W Front St 208, Tyler 75702 | (903) 535-0844 |
| Texas Cooperative Extension 1517 W Front St 116, Tyler 75702 | (903) 535-0885 |
| Voter Registration & Elections 200 E Ferguson St, Tyler 75702 | (903) 535-0657 |
| Honorable Cynthia Kent 100 N Broadway Ave, Tyler 75702 | (903) 535-0613 |
| Honorable Floyd Getz 100 N Broadway Ave, Tyler 75702 | (903) 535-0566 |
| County Probate 200 E Ferguson St, Tyler 75702 | (903) 535-0634 |
| Scph/Path 928 N Glenwood Blvd, Tyler 75702 | (903) 593-0788 |