
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Messe Frankfurt | Access control | Germany | |
| skycneye.net | CCTV | China | |
| 1st American Investigative Agency | Digital video recording | United States of America (USA) | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| 802 Global | CCTV | United Kingdom (UK) | |
| A.5 Security Consulting Group | CCTV | Spain | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| AB Security | CCTV | United Kingdom (UK) | |
| Accent GIP | CCTV | Romania | |
| Access Control Servers | Access control | United States of America (USA) | |
| Access Fire And Security North West | Intruder alarm | United Kingdom (UK) | |
| Access-to-Time Ltd (A2T) | CCTV | United Kingdom (UK) | |
| ACUSTEK Ltd | Biometrics | United Kingdom (UK) | |
| Adaar Technology | Integrated security | India | |
| ADB Alarms Ltd | Intruder alarm | United Kingdom (UK) | |
| ADEN Services | Physical security | China | |
| Adilec Enginyeria S.L. | Communication equipments | Sweden | |
| Adit Enterprises | CCTV | India | |
| Aditgroup | Access control | India | |
| Aditya Infotech Ltd. | CCTV | India | |
| Advanced Security Systems | IP networking products | Mexico | |
| Advent Systems, Inc. | Digital video recording | United States of America (USA) | |
| Aegis Security Solutions & Technolgies Ltd. | Intrusion detection | United Kingdom (UK) | |
| AFTEK Ltd | Door interface/controls | India | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |
| Alfahad Group | CCTV | Middle East | |
| Alink Ltd (Security Installers) | Integrated security | United Kingdom (UK) | |
| All City Strike Force Security | Manned guarding | Ghana | |
| AllGo Embedded Systems Pvt. Ltd. | Video motion detection | India | |
| Allscope Technologies Ltd. | Physical security | Nigeria | |



