- ACME Security System
- Ademco
- ADI
- ADT Security Alarm
- Alarmnet
- Altronix
- Ansul Alarms
- AT&T
- Digital Security
- DSC Alarm System
- Fire Control Instruments
- Fire Lite
- Gamewell
- GE Security Alarm
- Innovonics Alarm
- Kelvinator Scientific
- Kidde
- Locknetics
- Napco Alarms
- Network Security Systems
- Newmox Home Alarm
- Potter Electric
- Protection One
- Pyrotronics
- Securitron
- Silent Knight