| Business | Phone |
| Alcona County 81st District 214 W Main St, Harrisville 48740 | (989) 724-5313 |
| Alcona County 911 Dispatch Ctr 212 W Main St, Harrisville 48740 | (989) 724-0911 |
| Alcona County Building Inspctr 106 5th St, Harrisville 48740 | (989) 724-9440 |
| Alcona County Emergency Med 2600 E M 72, Harrisville 48740 | (989) 736-3955 |
| Alcona County Equalization 106 5th St, Harrisville 48740 | (989) 724-9430 |
| Alcona County Extension Svc 320 S State St, Harrisville 48740 | (989) 724-6478 |
| Alcona County Circuit Court 106 5th St, Harrisville 48740 | (989) 724-9470 |
| Alcona County Office 205 N State St, Harrisville 48740 | (989) 724-6291 |
| Alcona County Register-Deeds 106 5th St, Harrisville 48740 | (989) 724-9450 |
| Alcona County Review 111 N Lake St, Harrisville 48740 | (989) 724-6384 |
| Alcona County Veterans Affairs 106 N 5th St, Harrisville 48740 | (989) 724-9510 |
| Alcona Cnty Court House Mntnc 106 5th, Harrisville 48740 | (989) 724-9517 |