| Business | Phone |
| Alan H Levinson Holbrook 11741 | (631) 580-3254 |
| John J Mc Garry 233 Union Ave, Holbrook 11741 | (631) 737-5744 |
| Joseph Perino Phd 233 Union Ave # 101, Holbrook 11741 | (631) 689-9424 |
| Kim Hescheles Phd 4250 Veterans Memorial Hwy, Holbrook 11741 | (631) 981-5762 |