| Business | Phone |
| Muso Construction 11 Coulson Rd, Berlin 1503 | (978) 838-0077 |
| Warbin's Welding Inc 35 South St, Berlin 1503 | (978) 838-2870 |
| Atlantic Contracting Svc 44 Central St, Berlin 1503 | (978) 838-0165 |
| Scesny Construction 150 Coolidge Rd # M, Berlin 1503 | (978) 568-0000 |