| Business | Phone |
| Bank Of America 385 Larkfield Rd, East Northport 11731 | (631) 000-1111 |
| Chase 271 Larkfield Rd, East Northport 11731 | (516) 935-9935 |
| North Fork Bank 291 Clay Pitts Rd # B, East Northport 11731 | (631) 368-3000 |
| Roslyn Savings Bank 580 Larkfield Rd, East Northport 11731 | (631) 368-5900 |
| Washington Mutual 17 Huntington Square Mall, East Northport 11731 | (631) 462-6723 |