
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| BT | Intruder alarm | United Kingdom (UK) | |
| Security Products from Siemens | Integrated security | Global | |
| A C Security Solutions Ltd | Digital video recording | Western Europe | |
| AES-IntelliNet | Fire safety | United States of America (USA) | |
| Akado Telecom | Communication equipments | Russian Federation | |
| akera® security GmbH | Communication equipments | Germany | |
| Alcon Telecommunication Philippines | CCTV | Philippines | |
| American Technology Corporation | Perimeter protection | United States of America (USA) | |
| Amerigard Alarm & Security Corp | Integrated security | North America | |
| Amplicon | IP networking products | United Kingdom (UK) | |
| AS Security (A.S.S.) | CCTV | Italy | |
| ASB-Security | Transmission systems | Netherlands | |
| Ascendance Wireless | IP networking products | United States of America (USA) | |
| Ascendent Technology Group | CCTV | North America | |
| ASL Safety and Security Ltd | Integrated security | United Kingdom (UK) | |
| Atral (UK) Ltd | Wireless Intruder systems | United Kingdom (UK) | |
| AvaLAN Wireless Systems, Inc. | Communication equipments | United States of America (USA) | |
| Aviosys International, Inc. | Integrated security | Taiwan | |
| Balinor International LLC | Perimeter protection | United States of America (USA) | |
| BearCom | CCTV | United States of America (USA) | |
| Berkely Varitronics Systems Inc. | Software | United States of America (USA) | |
| BlueWater Technologies | Communication equipments | United States of America (USA) | |
| Cassidian (an EADS company) | Aeronautics, space, defence and security | Global | |
| Close Circuit Security Systems Ltd | Fire safety | United Kingdom (UK) | |
| Cobham Plc | Integrated security | United Kingdom (UK) | |
| Comp-Connection | CCTV | United Kingdom (UK) | |
| Creator Corporation | Intercom systems | China | |
| Cyberview Technology | CCTV | Canada | |
| Dailianxu Engineering Co. Ltd. | CCTV | Global | |
| Devetel Ltd. | Digital video recording | United States of America (USA) | |



