| Business | Phone |
| All County Finance Inc 2131 Deer Park Ave, Deer Park 11729 | (631) 242-4177 |
| Cutting Edge Mortgage 1600 Deer Park Ave, Deer Park 11729 | (631) 274-3200 |
| Prestige Commercial Corp 1600 Deer Park Ave, Deer Park 11729 | (631) 243-3477 |
| Sunset Mortgage Corp 1550 Deer Park Ave, Deer Park 11729 | (631) 242-5220 |