| Business | Phone |
| University Extension Ctr 655 2nd St, Osceola 64776 | (417) 646-2419 |
| St Clair County Collector 655 2nd St, Osceola 64776 | (417) 646-2486 |
| St Clair County Mapping Dept 655 2nd St, Osceola 64776 | (417) 646-8880 |
| St Clair Juvenile Ofc 655 2nd St, Osceola 64776 | (417) 646-8591 |
| Osceola Circuit Clerk & Rcrdr 655 2nd St, Osceola 64776 | (417) 646-2226 |