| Business | Phone |
| Walnut Sewerage Plant Henpeck St, Walnut 61376 | (815) 379-2347 |
| Walnut Twp Maintenance Garage 401 S Main St, Walnut 61376 | (815) 379-2676 |
| Walnut Twp Maintenance Garage Henpeck Rd, Walnut 61376 | (815) 379-2676 |
| Walnut Village Office 114 Jackson St, Walnut 61376 | (815) 379-2351 |