| Business | Phone |
| J E Simpson Excavating 139 Greenland Rd, Sterling 1564 | (978) 422-6270 |
| Baldarelli & Sons Excavating 24 Boutelle Rd, Sterling 1564 | (978) 422-7872 |
| Bradford Site Development 9 Chocksett Rd, Sterling 1564 | (978) 779-5447 |
| Stoddard Excavating 20 Laurelwood Rd, Sterling 1564 | (978) 422-8065 |
| Cove Construction 7 Crowley Rd, Sterling 1564 | (978) 422-6905 |