| Business | Phone |
| Crestview Mortgage Corp 94 W Montauk Hwy, Hampton Bays 11946 | (631) 728-0300 |
| New York Mortgage Co Llc 148 E Montauk Hwy, Hampton Bays 11946 | (631) 728-2640 |
| United Boston Inc 188 W Montauk Hwy # 5, Hampton Bays 11946 | (631) 728-4848 |
| Wells Fargo Bank 107 W Montauk Hwy, Hampton Bays 11946 | (631) 723-2215 |