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| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Proxim Wireless Corporation | IP networking products | United States of America (USA) | ![]() |
| AXTON | CCTV | Global | |
| Fastlane Turnstiles | Gates and barriers | United Kingdom (UK) | |
| Oncam Grandeye | CCTV | Global | |
| SeeTec AG | IP networking products | Germany | |
| VIDEOR | CCTV | Global | |
| Xtralis (UK) Ltd | CCTV | United Kingdom (UK) | |
| 1st Choice CCTV | CCTV | United Kingdom (UK) | |
| 1st Choice Security Solutions, Inc | RFID | Global | |
| 2B Security Systems Aps | CCTV | Western Europe | |
| 3x Logic | CCTV | Global | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| 802 Global | CCTV | United Kingdom (UK) | |
| A & K Security Ltd | Access control | United Kingdom (UK) | |
| A C Security Solutions Ltd | Digital video recording | Western Europe | |
| AASSET Security | CCTV | Western Europe | |
| AASSET Security GmbH | CCTV | Western Europe | |
| Aasset Security Ltd | CCTV | Western Europe | |
| ABUS Security-Center Corp. | CCTV | Global | |
| ACAL plc | CCTV | United Kingdom (UK) | |
| ACAM Technology Ltd. | CCTV | United Kingdom (UK) | |
| Access Direct | Access control | United Kingdom (UK) | |
| Access-to-Time Ltd (A2T) | CCTV | United Kingdom (UK) | |
| Aceda Limited | CCTV | United Kingdom (UK) | |
| ACS / Yoursecurityuk | Intercom systems | United Kingdom (UK) | |
| ACTAtek Pte. Ltd. | Access control | Singapore | |
| ADI Global Distribution (EMEA) | CCTV | United Kingdom (UK) | |
| ADI Global Distribution (UK) | CCTV | United Kingdom (UK) | |
| Adilec Enginyeria | Communication equipments | Sweden | |
| ADK Security Ltd | CCTV | United Kingdom (UK) | |



