| Business | Phone |
| A T Gray Assoc 111 Piping Rock Rd, Locust Valley 11560 | (516) 671-3015 |
| Andrea Baker Architects 4 Birch St, Locust Valley 11560 | (516) 671-8500 |
| Bentel & Bentel Architects 22 Buckram Rd, Locust Valley 11560 | (516) 676-2880 |
| Paul Russo Architects 114 Birch Hill Rd, Locust Valley 11560 | (516) 671-5082 |
| Robert Gahagan 91 Birch Hill Rd, Locust Valley 11560 | (516) 759-9393 |
| Brian Shore 90 Forest Ave, Locust Valley 11560 | (516) 671-7230 |