| Business | Phone |
| Cedar Point Construction Davids Ln, Water Mill 11976 | (631) 726-3047 |
| G I Construction Of Ny Inc 670 Montauk Hwy, Water Mill 11976 | (631) 726-7202 |
| Pert Andreassi 1152 Montauk Hwy, Water Mill 11976 | (631) 726-6565 |
| Johansen Construction Co Montauk Hwy, Water Mill 11976 | (631) 726-7200 |
| Seim's & Assoc 1204 Noyac Path, Water Mill 11976 | (631) 537-2092 |
| Wodehouse Construction Corp 208 Little Noyac Path, Water Mill 11976 | (631) 537-1897 |