| Business | Phone |
| Major Devices Inc 11 Oval Dr # 168, Islandia 11749 | (631) 232-0237 |
| D Berman & Sons 11 Oval Dr, Islandia 11749 | (631) 342-8080 |
| Data Modul Inc 1767 Veterans Hwy, Islandia 11749 | (631) 951-0800 |
| Future Electronics Inc 3033 Express Dr N, Islandia 11749 | (631) 234-4000 |
| Haines Products Inc 85 Hoffman Ln # D, Islandia 11749 | (631) 348-1750 |