
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Adax Business Systems W.L.L. | CCTV | Qatar | |
| Al Kawther Security Systems | CCTV | Qatar | |
| China Security and Protection Industry Association (CSPIA) | Access control | China | |
| 247 Group | Biometrics | South Africa | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| AB Security | CCTV | United Kingdom (UK) | |
| AB Security and Fire | Intruder alarm | United Kingdom (UK) | |
| Able Security Concepts Ltd | Manned guarding | United Kingdom (UK) | |
| Absolute Security Ltd. | CCTV | Kenya | |
| Accent Alarms, Inc | CCTV | North America | |
| Access Buzzers | Door interface/controls | United Kingdom (UK) | |
| Access Control SA | Access control | South Africa | |
| Access Fire And Security North West | Intruder alarm | United Kingdom (UK) | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| ACS / Yoursecurityuk | Intercom systems | United Kingdom (UK) | |
| Active Security | Intruder alarm | United Kingdom (UK) | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| Adaar Technology | Integrated security | India | |
| Adax Business Systems | CCTV | Qatar | |
| ADB Alarms Ltd | Intruder alarm | United Kingdom (UK) | |
| ADi security and surveillance | CCTV | United Kingdom (UK) | |
| ADS Security | Central monitoring systems | United States of America (USA) | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Advanced Security Developments | CCTV | United Kingdom (UK) | |
| Aegis Security Solutions & Technolgies Ltd. | Intrusion detection | United Kingdom (UK) | |
| Aghora Business Machines | CCTV | India | |
| Alarmas Punto Alerta SA de CV | Intruder alarm | Mexico | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |
| Alfahad Group | CCTV | Middle East | |



