| Business | Phone |
| Bensley & Co 203 Willow St, South Hamilton 1982 | (978) 468-0600 |
| Burnham Construction Inc 205 Willow St, South Hamilton 1982 | (978) 468-0068 |
| G & E Construction 375 Bridge St, South Hamilton 1982 | (978) 468-2761 |
| Gourdeau Limited Inc 203 Willow St, South Hamilton 1982 | (978) 468-3511 |