| Business | Phone |
| Cingular Wireless 387 Independence Plz, Selden 11784 | (631) 451-2780 |
| Multi-Line Consultats Corp 48 Sabre Dr, Selden 11784 | (631) 696-4070 |
| Direct Connect Communications 708 Middle Country Rd, Selden 11784 | (631) 696-4700 |
| Gnr Digital 226 Middle Country Rd, Selden 11784 | (631) 696-7680 |
| Zoom Wireless 369 Independence Plz, Selden 11784 | (516) 932-8746 |