| Business | Phone |
| Chaps 78 Main St, Hudson 1749 | (978) 562-4788 |
| Light Power Dept 49 Forest Ave, Hudson 1749 | (978) 568-8736 |
| Hudson Accountant 78 Main St, Hudson 1749 | (978) 568-9630 |
| Hudson Ambulance Hudson 1749 | (978) 000-1111 |
| Hudson Animal Control Officer 78 Main St, Hudson 1749 | (978) 568-9637 |
| Hudson Executive Assistant 78 Main St, Hudson 1749 | (978) 562-9963 |
| Hudson Kaps 99 Cottage St, Hudson 1749 | (978) 567-6495 |
| Hudson Light & Power Dept 77 Cherry St, Hudson 1749 | (978) 562-2368 |
| Hudson Treasurer's Office 78 Main St, Hudson 1749 | (978) 568-9605 |
| Hudson Veterans Svc Dept 78 Main St, Hudson 1749 | (978) 568-9635 |