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| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Adax Business Systems W.L.L. | CCTV | Qatar | |
| Arena International | Integrated security | United Kingdom (UK) | |
| China Security and Protection Industry Association (CSPIA) | Access control | China | |
| Genetec Inc. | IP networking products | United States of America (USA) | |
| Messe Frankfurt | Access control | Germany | |
| MIS Training Institute | Training services | United Kingdom (UK) | |
| Warrior Security Ltd. | Manned guarding | Africa | |
| 1 Ace Security | Training services | United Kingdom (UK) | |
| 1st American Investigative Agency | Digital video recording | United States of America (USA) | |
| 360 Vision Technology Ltd | CCTV | Global | |
| 4 Site Security | Manned guarding | United Kingdom (UK) | |
| 4Tress Services Ltd. | Manned guarding | United Kingdom (UK) | |
| A 2 Z Security Services | Manned guarding | United States of America (USA) | |
| A.5 Security Consulting Group | CCTV | Spain | |
| A2Z Security Group | Integrated security | United Kingdom (UK) | |
| AB Connect Associates Ltd | Consulting services | United Kingdom (UK) | |
| ABL, Inc. | Physical security | Czech Republic | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| AccessData Group, LLC. | IP networking products | United States of America (USA) | |
| ACUMEN Int. Corp | CCTV | Taiwan | |
| Ad-Mark Nigeria Company | RFID | Nigeria | |
| Advance Security UK Ltd | Manned guarding | United Kingdom (UK) | |
| Advanced Detection Technology | Intrusion detection | United States of America (USA) | |
| Agile Security Force | Manned guarding | India | |
| Aicher Ambulanz | Fire safety | Germany | |
| AIMS Service | Integrated security | Egypt | |
| AIS Security Solutions | Integrated security | Middle East | |
| AIT Global Security (M) Sdn Bhd | CCTV | Malaysia | |
| Ajna Consulting Solutions | Consulting services | India | |
| AK Telecom & ITS Services | Consulting services | United Kingdom (UK) | |



