
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Adax Business Systems W.L.L. | CCTV | Qatar | |
| Al Kawther Security Systems | CCTV | Qatar | |
| BQT Solutions (UK) Ltd | Access control | Global | |
| China Security and Protection Industry Association (CSPIA) | Access control | China | |
| SMi Group Ltd. | Exhibition and conference organising | United Kingdom (UK) | |
| 123 Pte Ltd | Biometrics | Asia | |
| 1st Choice CCTV | CCTV | United Kingdom (UK) | |
| 24/7 Close Protection Ltd | Physical security | United Kingdom (UK) | |
| 4A International, LLC | Consulting services | United States of America (USA) | |
| 4Site Online Ltd. | Integrated security | Western Europe | |
| AAiD Security Solutions | Asset management | United States of America (USA) | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| Able Security Concepts Ltd | Manned guarding | United Kingdom (UK) | |
| Absolute Security Ltd. | CCTV | Kenya | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| ADB Alarms Ltd | Intruder alarm | United Kingdom (UK) | |
| ADC Consultancy Ltd | Access control | United Kingdom (UK) | |
| ADEN Services | Physical security | China | |
| ADi security and surveillance | CCTV | United Kingdom (UK) | |
| ADL Fire and Security Ltd | CCTV | United Kingdom (UK) | |
| Adore Security | CCTV | Israel | |
| ADT | Integrated security | South Africa | |
| ADT Fire and Security Plc | CCTV | United Kingdom (UK) | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Advance Security UK Ltd | Manned guarding | United Kingdom (UK) | |
| Advanced Security Systems | IP networking products | Mexico | |
| Advantech, Inc. | Consulting services | United States of America (USA) | |
| Aella Consulting Group, Inc. | Consulting services | United States of America (USA) | |
| AFRISEC, LLC | Integrated security | Africa | |
| AGE CCTV | CCTV | United Kingdom (UK) | |



