| Business | Phone |
| National Securities 111 Smithtown Byp, Hauppauge 11788 | (631) 724-2800 |
| First Empire Securities Inc 100 Motor Pkwy, Hauppauge 11788 | (631) 979-0097 |
| Oppenheimer & Co Inc 700 Veterans Hwy # 120, Hauppauge 11788 | (631) 382-2500 |
| Glenn Michael Financial Inc 201 Moreland Rd # 1a, Hauppauge 11788 | (631) 755-3000 |