| Business | Phone |
| Fabius Township Hall 13108 Broadway Rd, Three Rivers 49093 | (269) 244-5376 |
| Park Twp Office 53640 Parkville Rd, Three Rivers 49093 | (269) 496-4515 |
| Three Rivers Clean Water Plant 409 Wolf Rd, Three Rivers 49093 | (269) 273-5885 |
| St Joseph County Adm 210 S Main St, Three Rivers 49093 | (269) 273-2000 |
| Three Rivers Taxes Billing 333 W Michigan Ave, Three Rivers 49093 | (269) 273-2813 |