| Business | Phone |
| Godin Construction 252 Richardson Rd, Ashby 1431 | (978) 386-6800 |
| Design Build Construction 170 Richardson Rd, Ashby 1431 | (978) 386-2335 |
| Dgl Construction Co 1196 West Rd, Ashby 1431 | (978) 386-5550 |
| Honkala Construction Co 201 Fitchburg State Rd, Ashby 1431 | (978) 386-5390 |
| Kopsala Construction 4 County Rd, Ashby 1431 | (978) 386-2523 |