| Business | Phone |
| Cellular World Communications 95 Hoffman Ln # M, Islandia 11749 | (631) 928-4145 |
| Central Business Technologies 2990 Express Dr S, Islandia 11749 | (631) 582-3200 |
| Commpage Inc 95 Hoffman Ln # M, Islandia 11749 | (631) 928-8148 |
| Djj Technologies 3116 Express Dr S # S, Islandia 11749 | (631) 234-2400 |
| Toma Comm Corp 85 Hoffman Ln # V, Islandia 11749 | (631) 232-2800 |