| Business | Phone |
| Trident Realty Corp 109 Main St, Northampton 1060 | (413) 582-0007 |
| Real Estate Management Inc 96 Pleasant St, Northampton 1060 | (413) 586-6474 |
| Northriver Real Estate Mgmt 46 Maplewood Shops, Northampton 1060 | (413) 586-4536 |
| Hampshire Property Management 15 Brewster Ct, Northampton 1060 | (413) 582-9970 |