
| 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 | |
| 3rd Eye Surveillance Systems | Digital video recording | United States of America (USA) | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| Able Security Concepts Ltd | Manned guarding | United Kingdom (UK) | |
| Absolute Security Ltd. | CCTV | Kenya | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| Adax Business Systems | CCTV | Qatar | |
| ADB Alarms Ltd | Intruder alarm | United Kingdom (UK) | |
| ADEN Services | Physical security | China | |
| ADi security and surveillance | CCTV | United Kingdom (UK) | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Aghora Business Machines | CCTV | India | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |
| Alfahad Group | CCTV | Middle East | |
| Alink Ltd (Security Installers) | Integrated security | United Kingdom (UK) | |
| Allscope Technologies Ltd. | Physical security | Nigeria | |
| Amerigard Alarm & Security Corp | Integrated security | North America | |
| Ansari Security System | Integrated security | United Arab Emirates | |
| Ansari Security System L.L.C | CCTV | United Arab Emirates | |
| Applied Security Research Associates | Consulting services | Canada | |
| Arrest Fire & Security Ltd | CCTV | United Kingdom (UK) | |
| ASI Advanced Security, Inc. | Intrusion detection | United States of America (USA) | |
| AST (London) Limited | Access control | United Kingdom (UK) | |
| Astra Communications Commercial Security Ltd | CCTV | United Kingdom (UK) | |
| Atkins Telecoms | Consulting services | Global | |
| Atronic Alarms, Inc | Intrusion detection | United States of America (USA) | |
| Avesi Services | Intercom systems | United Kingdom (UK) | |



