| Business | Phone |
| Budd Morgan Alarm Co Inc 56 Enter Lane, Hauppauge 11788 | (631) 582-9574 |
| Maximum Security Alarm Systems 637 Veterans Hwy, Hauppauge 11788 | (631) 361-9210 |
| Fast Action Alarm 56 Enter Lane, Hauppauge 11788 | (631) 582-5641 |
| Island Detection Systems Inc 7 Saturn Blvd, Hauppauge 11788 | (631) 724-1039 |