| Business | Phone |
| Building Dept-Wires Inspector 718 Main St # 306, Fitchburg 1420 | (978) 345-9633 |
| City Ambulance 395 Water St, Fitchburg 1420 | (978) 000-1111 |
| Housing Improvement 718 Main St # 217, Fitchburg 1420 | (978) 342-6212 |
| Highway & Sewer Yard 301 Broad St, Fitchburg 1420 | (978) 345-9614 |
| Fitchburg Animal Control Ofcr 20 Elm St, Fitchburg 1420 | (978) 353-2307 |
| Fitchburg Assessor's Ofc 718 Main St, Fitchburg 1420 | (978) 345-9562 |
| Fitchburg Building Dept 718 Main St # 308, Fitchburg 1420 | (978) 345-9596 |
| Fitchburg City Law Dept 341 Main St, Fitchburg 1420 | (978) 345-9555 |
| Fitchburg Human Resources 718 Main St # 102, Fitchburg 1420 | (978) 345-9556 |
| Fitchburg Human Rights Comm 718 Main St # 217, Fitchburg 1420 | (978) 345-9565 |
| Fitchburg License Commissioner 718 Main St # 117, Fitchburg 1420 | (978) 345-9557 |
| Fitchburg Planning Coordinator 718 Main St # 217, Fitchburg 1420 | (978) 345-1018 |
| Green Acres Village 13 Normandy Rd, Fitchburg 1420 | (978) 345-5032 |
| Fitchburg Purchasing Dept 718 Main St # 223, Fitchburg 1420 | (978) 345-9576 |
| Fitchburg Retirement Board 718 Main St # 201, Fitchburg 1420 | (978) 345-9570 |
| Fitchburg Senior Citizens Ctr 14 Wallace Ave, Fitchburg 1420 | (978) 345-9598 |
| Fitchburg Veterans Svc Dept 718 Main St # 101, Fitchburg 1420 | (978) 345-9566 |
| Fitchburg Waste Water Ofc 718 Main St # 206, Fitchburg 1420 | (978) 345-9622 |
| Fitchuburg City Leased Housing 50 Day St, Fitchburg 1420 | (978) 345-1963 |
| Forest Hill Cemetery Office 115 Mount Elam Rd, Fitchburg 1420 | (978) 345-9578 |