| Business | Phone |
| Public Works Dept-Engineering 718 Main St # 401, Fitchburg 1420 | (978) 345-9613 |
| Public Works Dept-Water Div 718 Main St # 4, Fitchburg 1420 | (978) 345-9616 |
| Public Works Dept-Water Shop 301 Broad St, Fitchburg 1420 | (978) 345-9618 |
| Fitchburg Public Works 718 Main St # 408, Fitchburg 1420 | (978) 345-9610 |