
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Adax Business Systems W.L.L. | CCTV | Qatar | |
| Alpro Architectural Hardware (a division of IEC Limited) | Access control | United Kingdom (UK) | |
| Visonic Ltd. | Intruder alarm | Global | |
| 123 Pte Ltd | Biometrics | Asia | |
| 1st Choice CCTV | CCTV | United Kingdom (UK) | |
| 21st Century Locks Ltd | Access control | United States of America (USA) | |
| 247 Group | Biometrics | South Africa | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| Abloy Security | Access control | United Kingdom (UK) | |
| Absolute Security Ltd. | CCTV | Kenya | |
| Access & Security Systems Ltd | CCTV | United Kingdom (UK) | |
| Access Direct | Access control | United Kingdom (UK) | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| Access-to-Time Ltd (A2T) | CCTV | United Kingdom (UK) | |
| ACCESSGARD, INC. | Access control | South America | |
| Accu-Tech Corp. | Access control | United States of America (USA) | |
| ACE Safe Company | Access control | United Kingdom (UK) | |
| ACI Farfisa | Access control | Italy | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| ADL Fire and Security Ltd | CCTV | United Kingdom (UK) | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Advanced Access Ltd | Access control | United Kingdom (UK) | |
| Advanced Camera Solutions Ltd | Access control | United Kingdom (UK) | |
| Advanced Security Systems | IP networking products | Mexico | |
| AES Security Systems | CCTV | United Kingdom (UK) | |
| AGE CCTV | CCTV | United Kingdom (UK) | |
| Aghora Business Machines | CCTV | India | |
| Alarmas Punto Alerta SA de CV | Intruder alarm | Mexico | |
| AlarmSaf, Inc | Access control | United States of America (USA) | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |



