| Business | Phone |
| Mentoring Partnership-Long Is 150 Motor Pkwy # 90, Hauppauge 11788 | (631) 761-7800 |
| National Assoc-Edctnl Buyers 450 Wireless Blvd, Hauppauge 11788 | (631) 273-2600 |
| Opportunity Pre-School 495 Hoffman Ln, Hauppauge 11788 | (631) 863-3000 |
| Hauppauge Industrial Assn Inc 225 Wireless Blvd, Hauppauge 11788 | (631) 543-5355 |
| Suffolk County Bar Assn 560 Wheeler Rd, Hauppauge 11788 | (631) 234-5577 |