| Business | Phone |
| Walter H Platt Builders 31 Adams Ave, Groton 1450 | (978) 448-9963 |
| Peter Andrews 235 Pepperell Rd, Groton 1450 | (978) 448-9442 |
| Moulton Construction Corp 129 Skyfield Dr, Groton 1450 | (978) 448-6020 |
| Five Oaks Construction Co 152 Broad Meadow Rd, Groton 1450 | (978) 448-3398 |
| Friedrich Construction Inc 207 Gratuity Rd, Groton 1450 | (978) 448-2024 |
| Senate Construction Corp 287 Farmers Row, Groton 1450 | (978) 448-5030 |
| Great Room Co 36 Willowdale St, Groton 1450 | (978) 448-6790 |
| Rjm Renovations 16 Maple Ave, Groton 1450 | (978) 448-9384 |
| D Guschov Co 369 Main St, Groton 1450 | (978) 448-6571 |
| Dutile Construction Corp 901 Townsend Rd, Groton 1450 | (978) 449-4002 |
| E T & L Construction 11 Island Rd, Groton 1450 | (978) 448-0496 |