| Business | Phone |
| Clerks Office 16 Broad St, Hamilton 13346 | (315) 824-3380 |
| Hamilton Municipal Garage Milford St, Hamilton 13346 | (315) 824-2590 |
| Hamilton Municipal Office 3 Broad St, Hamilton 13346 | (315) 824-1111 |
| Hamilton Power & Water Plant Milford, Hamilton 13346 | (315) 824-2120 |