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| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Adax Business Systems W.L.L. | CCTV | Qatar | |
| Al Kawther Security Systems | CCTV | Qatar | |
| Arena International | Integrated security | United Kingdom (UK) | |
| ASSA ABLOY | Access control | Global | |
| Gallagher Security | Integrated security | Global | |
| Hong Kong Exhibition Services Ltd | Exhibition and conference organising | Hong Kong | |
| Messe Frankfurt | Access control | Germany | |
| Warrior Security Ltd. | Manned guarding | Africa | |
| 123 Pte Ltd | Biometrics | Asia | |
| 24/7 Close Protection Ltd | Physical security | United Kingdom (UK) | |
| 247 Group | Biometrics | South Africa | |
| 2D Electronics | CCTV | United States of America (USA) | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| A & K Security Ltd | Access control | United Kingdom (UK) | |
| AAC Mechanical & Electrical | CCTV | United Kingdom (UK) | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| AB Security | CCTV | United Kingdom (UK) | |
| AB Security and Fire | Intruder alarm | United Kingdom (UK) | |
| Able Security Concepts Ltd | Manned guarding | United Kingdom (UK) | |
| Absolute Security Ltd. | CCTV | Kenya | |
| ABUS KG | Door interface/controls | Germany | |
| ABUS Pfaffenhain GmbH | Locks | Germany | |
| Accent Alarms, Inc | CCTV | North America | |
| Access Buzzers | Door interface/controls | United Kingdom (UK) | |
| Access Control SA | Access control | South Africa | |
| Access Direct | Access control | United Kingdom (UK) | |
| Access Fire And Security North West | Intruder alarm | United Kingdom (UK) | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| ACCTIV8 | Intruder alarm | United Kingdom (UK) | |
| ACMP | CCTV | Global | |



