| Business | Phone |
| T Beckner Construction 26 Pratts Junction Rd, Sterling 1564 | (978) 422-9918 |
| D Poulin & Sons Construction 299 Princeton Rd, Sterling 1564 | (978) 422-3399 |
| D Wayne Contracting 397 Redemption Rock Trl, Sterling 1564 | (978) 422-8075 |
| Dhj Inc 6 Leominster Rd, Sterling 1564 | (978) 422-3484 |
| Eyles Contracting Inc 31 Meetinghouse Hill Rd, Sterling 1564 | (978) 422-3342 |