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| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Messe Frankfurt | Access control | Germany | |
| SAE Electronic Co., Ltd. | CCTV | China | |
| 123 Pte Ltd | Biometrics | Asia | |
| 1st American Investigative Agency | Digital video recording | United States of America (USA) | |
| A 2 Z Security Services | Manned guarding | United States of America (USA) | |
| A C Security Solutions Ltd | Digital video recording | Western Europe | |
| A.5 Security Consulting Group | CCTV | Spain | |
| Aarya Ites Pvt. Ltd. | CCTV | India | |
| AB Connect Associates Ltd | Consulting services | United Kingdom (UK) | |
| Abr Aman AFSTS | CCTV | Saudi Arabia | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| Acropolis Electronic Security Systems. | Integrated security | India | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| Adaar Technology | Integrated security | India | |
| AK Telecom & ITS Services | Consulting services | United Kingdom (UK) | |
| Alfahad Group | CCTV | Middle East | |
| Allscope Technologies Ltd. | Physical security | Nigeria | |
| Allscope Technologies Nigeria Ltd. | Global positioning systems | Nigeria | |
| Alrehab Services | Access control | Egypt | |
| Ansari Security System | Integrated security | United Arab Emirates | |
| Ansari Security System L.L.C | CCTV | United Arab Emirates | |
| ANSCOM Limited | CCTV | Sri Lanka | |
| Antron Security | CCTV | United Kingdom (UK) | |
| Artezia security systems | Integrated security | Nigeria | |
| Ascendent Technology Group | CCTV | North America | |
| ASI Advanced Security, Inc. | Intrusion detection | United States of America (USA) | |
| ASL Advanced Systems Pvt. Ltd | Global positioning systems | India | |
| ASL Interamerica Security Trading Inc. | CCTV | United States of America (USA) | |
| Atkins Telecoms | Consulting services | Global | |
| Automation Services Impianti Srl | CCTV | Italy | |



