| Business | Phone |
| Peter J Bergeron Assoc 64 Forest Park, Fitchburg 1420 | (978) 342-8383 |
| Mill Space Properties 4 Leighton St, Fitchburg 1420 | (978) 342-2055 |
| Commonwealth Development Co 935 John Fitch Hwy, Fitchburg 1420 | (978) 342-8883 |
| Gagnon Hh Housing 1430 Water St, Fitchburg 1420 | (978) 342-6021 |