
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Adax Business Systems W.L.L. | CCTV | Qatar | |
| Al Kawther Security Systems | CCTV | Qatar | |
| 24/7 Close Protection Ltd | Physical security | United Kingdom (UK) | |
| 3VR Security Inc. | Searchable Surveillance | United States of America (USA) | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| A C Security Solutions Ltd | Digital video recording | Western Europe | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| Abiom | Communicators | Netherlands | |
| Absolute Security Ltd. | CCTV | Kenya | |
| Accent Alarms, Inc | CCTV | North America | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| Acropolis Electronic Security Systems. | Integrated security | India | |
| Active Vision Inc. | CCTV | United States of America (USA) | |
| 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) | |
| ADT | Integrated security | South Africa | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Advanced Digital Security, Inc | CCTV | United States of America (USA) | |
| Advanced Security Developments | CCTV | United Kingdom (UK) | |
| Advanced Security Systems | IP networking products | Mexico | |
| Aegis Security Solutions & Technolgies Ltd. | Intrusion detection | United Kingdom (UK) | |
| AFRISEC, LLC | Integrated security | Africa | |
| AFTEK Ltd | Door interface/controls | India | |
| Aghora Business Machines | CCTV | India | |
| Al Fahad Smart Systems | CCTV | United Arab Emirates | |
| Alaknanda Systems | CCTV | India | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |



