| Business | Phone |
| Algoma District Svc Admn Brd 1 Collver Rd, Thessalon P0R 1L0 | (705) 842-3370 |
| Thessalon Public Works 81 Peachy, Thessalon P0R 1L0 | (705) 842-2413 |
| Thessalon Town Hall 169 Main, Thessalon P0R 1L0 | (705) 842-2217 |
| Cockburn Island Ofc 169 Main, Thessalon P0R 1L0 | (705) 842-3739 |