| Business | Phone |
| O'Connor Property Management 76 Summer St, Fitchburg 1420 | (978) 345-1794 |
| 76 Summer Street Office Bldg 76 Summer St, Fitchburg 1420 | (978) 345-8055 |
| Town & Country Apartments 196 Whalon St, Fitchburg 1420 | (978) 342-2872 |
| Prudential Beacon Properties 344 Main St, Fitchburg 1420 | (978) 342-8771 |
| Eastside Realty Group Inc 15 East St, Fitchburg 1420 | (978) 345-5431 |
| Fitch Property Management 49 Fox St, Fitchburg 1420 | (978) 342-3000 |
| Four Jay's Inc 144 Lunenburg St, Fitchburg 1420 | (978) 345-7753 |