| Business | Phone |
| Hillman Township Office 24220 Veterans Memorial Hwy, Hillman 49746 | (989) 742-3096 |
| Hillman Village Garage 751 E Progress St, Hillman 49746 | (989) 742-2148 |
| Hillman Village Office 24220 Veterans Memorial Hwy, Hillman 49746 | (989) 742-4751 |
| Montmorency Township Hall 20841 County Road 459, Hillman 49746 | (989) 742-3619 |
| Hillman Village Water Tower 210 Maple, Hillman 49746 | (989) 742-4214 |
| Montmorency County Road Comm County Road 459, Hillman 49746 | (989) 742-4714 |