| Business | Phone |
| Accel Remodeling Fitchburg 1420 | (978) 343-4822 |
| Wayco Home Improvement 382 Oak Hill Rd, Fitchburg 1420 | (978) 348-2525 |
| Tri-City Home Improvements 100 Phillips St, Fitchburg 1420 | (978) 343-3865 |
| Troche Home Improvement 17 Pacific St, Fitchburg 1420 | (978) 342-5604 |
| Thermal Control Inc 15 England Ave, Fitchburg 1420 | (978) 343-6810 |