| Business | Phone |
| Fennimore Utility Office 860 Lincoln Ave, Fennimore 53809 | (608) 822-6110 |
| Fennimore Utility Shop 745 Jackson, Fennimore 53809 | (608) 822-3185 |
| Fennimore Utility Shop 860 Lincoln Ave, Fennimore 53809 | (608) 822-3185 |
| Fennimore Wastewater Treatment 12640 Us Highway 61, Fennimore 53809 | (608) 822-6718 |