| Business | Phone |
| Alpena Cnty Drain Commissioner 703 W Chisholm St C, Alpena 49707 | (989) 354-9822 |
| Alpena Cnty Veteran's Affairs 719 W Chisholm St 7, Alpena 49707 | (989) 354-9670 |
| Alpena County Board-Commsnrs 720 W Chisholm St 7, Alpena 49707 | (989) 354-9500 |
| Alpena County Central Dispatch 720 W Chisholm St 13, Alpena 49707 | (989) 354-9111 |
| Alpena County Coordinator 720 W Chisholm St 12, Alpena 49707 | (989) 354-9587 |
| Alpena County Drain Cmmssnr 703 W Chisholm St # C, Alpena 49707 | (989) 356-6133 |
| Alpena County Equalization 720 W Chisholm St 5, Alpena 49707 | (989) 354-9560 |
| Alpena County Extension 603 S 11th Ave, Alpena 49707 | (989) 354-9870 |
| Alpena County Fair Grounds 625 S 11th Ave, Alpena 49707 | (989) 354-9894 |
| Alpena County Public Guardian 719 W Chisholm St 5, Alpena 49707 | (989) 354-9663 |
| Alpena County Maintenance Supt 625 S Eleventh St, Alpena 49707 | (989) 354-6016 |
| Alpena County Maintenance Supt 720 W Chisholm St 6, Alpena 49707 | (989) 354-9892 |
| Alpena County Management Info 720 W Chisholm St 11, Alpena 49707 | (989) 354-9590 |
| Alpena County Register-Deeds 720 W Chisholm St 4, Alpena 49707 | (989) 354-9547 |
| Alpena County Road Comm Office 1400 N Bagley St, Alpena 49707 | (989) 354-3252 |
| Board Of Commissioners 720 W Chisholm St 7, Alpena 49707 | (989) 356-0930 |
| Day One Northeast Michigan 100 Woods Cir, Alpena 49707 | (989) 354-8058 |
| Drain Commissioner Courthouse, Alpena 49707 | (989) 356-3887 |
| Maintenance Office 720 W Chisholm St 6, Alpena 49707 | (989) 354-8822 |