
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Arecont Vision | IP networking products | Global | ![]() |
| artec technologies AG | CCTV | Western Europe | ![]() |
| Alpro Architectural Hardware (a division of IEC Limited) | Access control | United Kingdom (UK) | |
| VIDEOR | CCTV | Global | |
| ViDiCore KG | CCTV | Germany | |
| Visonic Ltd. | Intruder alarm | Global | |
| 1st Choice CCTV | CCTV | United Kingdom (UK) | |
| 247webvision | CCTV | United Kingdom (UK) | |
| A&A Security | CCTV | United Kingdom (UK) | |
| AASSET Security | CCTV | Western Europe | |
| Aasset Security Ltd | CCTV | Western Europe | |
| Abloy Security | Access control | United Kingdom (UK) | |
| AC Griffin Alarms | Intruder alarm | United Kingdom (UK) | |
| Access & Security Systems Ltd | CCTV | United Kingdom (UK) | |
| Access Direct | Access control | United Kingdom (UK) | |
| Access-to-Time Ltd (A2T) | CCTV | United Kingdom (UK) | |
| ACE Safe Company | Access control | United Kingdom (UK) | |
| ACO Electronics Ltd | Forgery detection | United Kingdom (UK) | |
| ACT Meters Ltd | CCTV | United Kingdom (UK) | |
| ACUSTEK Ltd | Biometrics | United Kingdom (UK) | |
| ADI Systems UK Ltd | CCTV | United Kingdom (UK) | |
| ADL Fire and Security Ltd | CCTV | United Kingdom (UK) | |
| Advance Fire Services | Fire Alarms | United Kingdom (UK) | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Advanced Access Ltd | Access control | United Kingdom (UK) | |
| Advanced Camera Solutions Ltd | Access control | United Kingdom (UK) | |
| AES Security Systems | CCTV | United Kingdom (UK) | |
| AFP Solutions | CCTV | United Kingdom (UK) | |
| AGE CCTV | CCTV | United Kingdom (UK) | |
| Aimetis | Software | Canada | |



