
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Dallmeier electronic GmbH & Co.KG | CCTV | Global | |
| Genetec Inc. | IP networking products | United States of America (USA) | |
| J2K Video Ltd | CCTV | United Kingdom (UK) | |
| Messe Frankfurt | Access control | Germany | |
| QNAP Security | Networking Video Recorder | Global | |
| Surveon Technology Inc | IP networking products | United States of America (USA) | |
| Visonic Ltd. | Intruder alarm | Global | |
| 1st American Investigative Agency | Digital video recording | United States of America (USA) | |
| 2M CCTV | CCTV | United States of America (USA) | |
| 3x Logic | CCTV | Global | |
| A.5 Security Consulting Group | CCTV | Spain | |
| Aboundi Inc. | IP networking products | North America | |
| ABUS Security-Center Corp. | CCTV | Global | |
| Access Control Servers | Access control | United States of America (USA) | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| Accordance Systems | Digital video recording | United States of America (USA) | |
| Accu-Tech Corporation | CCTV | United States of America (USA) | |
| Active Vision Inc. | CCTV | United States of America (USA) | |
| ADK Security Ltd | CCTV | United Kingdom (UK) | |
| Advanced Digital Security, Inc | CCTV | United States of America (USA) | |
| Advent Systems, Inc. | Digital video recording | United States of America (USA) | |
| All American Technology | CCTV | United States of America (USA) | |
| Alutiiq, LLC | CCTV | United States of America (USA) | |
| Amerigard Alarm & Security Corp | Integrated security | North America | |
| Apex Direct - ADT Security | Central monitoring systems | Canada | |
| Arkanics | CCTV | United States of America (USA) | |
| Aronson Security Group (ASG) | Integrated security | North America | |
| Ascendent Technology Group | CCTV | North America | |
| ASI Advanced Security, Inc. | Intrusion detection | United States of America (USA) | |
| Atronic Alarms, Inc | Intrusion detection | United States of America (USA) | |



