
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Arena International | Integrated security | United Kingdom (UK) | |
| Messe Frankfurt | Access control | Germany | |
| Visonic Ltd. | Intruder alarm | Global | |
| 24/7 Close Protection Ltd | Physical security | United Kingdom (UK) | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| Aaxeon Technologies | Communication equipments | United States of America (USA) | |
| AB Security | CCTV | United Kingdom (UK) | |
| AB Security and Fire | Intruder alarm | United Kingdom (UK) | |
| Abu Dhabi Police | CCTV | United Arab Emirates | |
| Access 2 | Access control | United Kingdom (UK) | |
| Access Control Servers | Access control | United States of America (USA) | |
| Access Fire And Security North West | Intruder alarm | United Kingdom (UK) | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| ADIT Security System Pvt. Ltd. | CCTV | India | |
| Aditgroup | Access control | India | |
| 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) | |
| After Surveillance Security Distribution | Digital video recording | United States of America (USA) | |
| Air Products and Controls Inc. | Explosives and chemical detection | United States of America (USA) | |
| AKF Electronics Co., Ltd. | CCTV | China | |
| Alarm Controls Corporation | Control equipments | United States of America (USA) | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |
| Alfahad Group | CCTV | Middle East | |
| ALGIZ Services Ltd | Consulting services | Germany | |
| Alink Ltd (Security Installers) | Integrated security | United Kingdom (UK) | |
| All American Technology | CCTV | United States of America (USA) | |
| All Taylored Solutions | Central monitoring systems | Australia | |



