| Business | Phone |
| Century De An-Tri-Town 165 S Main St, Middleton 1949 | (978) 774-3506 |
| Doyle New Homes 10 Maple St, Middleton 1949 | (978) 762-8402 |
| Doyle Real Estate 130 S Main St, Middleton 1949 | (978) 535-9901 |
| Private Properties Realty Inc 6 N Main St, Middleton 1949 | (978) 646-8969 |
| Proventure Commercial Real Est 14 N Main St, Middleton 1949 | (978) 777-1817 |
| Newburyport Realty Trust 223 Maple St, Middleton 1949 | (978) 774-9919 |
| Homequest 100 S Main St, Middleton 1949 | (978) 777-1931 |