| Business | Phone |
| American Group Of Companies 60 S Harbor Rd, Northport 11768 | (631) 262-0900 |
| Cayton Communications 12 Brian Ct, Northport 11768 | (631) 262-9461 |
| Meyerowitz Communications Inc 10 Crinkle Ct, Northport 11768 | (631) 261-9476 |
| Sportslink Inc 4 Locust Rd, Northport 11768 | (631) 754-6060 |