| Business | Phone |
| Alternative Plumbing Watertown 13601 | (315) 786-4027 |
| Black River Plumbing & Heating 425 Vanduzee St, Watertown 13601 | (315) 788-7669 |
| Derouin's Plumbing & Heating 139 Mill St, Watertown 13601 | (315) 782-6670 |
| Freeman Mechanical Svc 21590 Reed Rd, Watertown 13601 | (315) 782-8022 |
| Hyde-Stone Mechanical Contrs 22962 Murrock Cir, Watertown 13601 | (315) 788-1300 |
| North Country Property Svc 341 Engine St, Watertown 13601 | (315) 788-6857 |
| Pitcher's Sewer & Drain Svc 131 Sherman St, Watertown 13601 | (315) 785-1834 |
| Shannon's Plumbing & Heating 214 S Massey St, Watertown 13601 | (315) 782-3340 |