| Business | Phone |
| Mt Vernon Animal Control 303 Keith St, Mt Vernon 75457 | (903) 537-7186 |
| Mt Vernon Animal Control 915 Holbrook St, Mt Vernon 75457 | (903) 537-2907 |
| Mt Vernon City Office 109 Kaufman St N, Mt Vernon 75457 | (903) 537-2252 |
| Mt Vernon Waste Water Trmt 109 Kaufman St N, Mt Vernon 75457 | (903) 537-4826 |
| Mt Vernon Waste Water Trmt N Highway 37, Mt Vernon 75457 | (903) 537-4826 |