| Business | Phone |
| North Haven Town Ambulance North Haven 4853 | (207) 867-0911 |
| North Haven Transfer Station N Shore Rd, North Haven 4853 | (207) 867-4713 |
| Sewage Treatment Plant Po Box 400, North Haven 4853 | (207) 867-2245 |
| Town Office 16 Town Office Sq, North Haven 4853 | (207) 867-4433 |