| Business | Phone |
| Active Electronics 1373 Veterans Hwy # 32, Hauppauge 11788 | (631) 360-1994 |
| Allstar Electronics Inc 20 Oser Ave, Hauppauge 11788 | (631) 951-3500 |
| Amp-Akzo Corp 150 Motor Pkwy, Hauppauge 11788 | (631) 231-2807 |
| Arrow Electronics Inc 220 Rabro Dr, Hauppauge 11788 | (631) 851-2300 |
| Avon/Wesco 60 Hoffman Ave, Hauppauge 11788 | (631) 582-4770 |
| Bell Microproducts 800 Veterans Memorial Hwy, Hauppauge 11788 | (631) 265-0300 |
| Milex Electronics Corp 85 Engineers Rd, Hauppauge 11788 | (631) 231-1500 |
| Electrograph Systems Inc 50 Marcus Blvd, Hauppauge 11788 | (631) 436-5050 |
| Ips Inc 145 Oser Ave, Hauppauge 11788 | (631) 265-2525 |
| Jaco Electronics Inc 145 Oser Ave, Hauppauge 11788 | (631) 273-5500 |
| Sai Semispecialists Of America 43 Corporate Dr, Hauppauge 11788 | (631) 457-2000 |
| T P Electronics 60 Oser Ave, Hauppauge 11788 | (631) 435-0500 |
| Ut Starcom 555 Wireless Blvd, Hauppauge 11788 | (631) 233-3300 |
| V E Systems 72 Bridge Rd, Hauppauge 11788 | (631) 234-5680 |
| Zetex 700 Veterans Hwy, Hauppauge 11788 | (631) 360-2222 |