| Business | Phone |
| Benchmark Construction Inc Charlestown 3603 | (603) 863-2772 |
| Blanc & Bailey Construction 18 Depot Hl, Charlestown 3603 | (603) 826-4626 |
| Central Valley Construction Carroll Brook Rd, Charlestown 3603 | (603) 543-6714 |
| Normand R Beaudry Rl Est & Con 443 Old Claremont Rd, Charlestown 3603 | (603) 826-7787 |
| Smith & Allen Construction Co 60 Cummings Ave, Charlestown 3603 | (603) 826-4469 |