| Business | Phone |
| Criminal Court 160 S Macy St, Fond Du Lac 54935 | (920) 929-3041 |
| Eldorado Fire Dept 180 S Macy St, Fond Du Lac 54935 | (920) 929-3391 |
| Sheriff's Department-Detective 180 S Macy St, Fond Du Lac 54935 | (920) 929-3370 |
| Sheriff's Department-Records 180 S Macy St, Fond Du Lac 54935 | (920) 929-3371 |
| Sheriff's Dept-Process Svc 180 S Macy St, Fond Du Lac 54935 | (920) 929-3375 |
| Welfare Fraud Investigation 87 Vincent St, Fond Du Lac 54935 | (920) 929-3498 |