
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| China Security and Protection Industry Association (CSPIA) | Access control | China | |
| Niscayah Ltd (formerly known as Bell Security Ltd) | Integrated security | Global | |
| 21st Century HomeGuard | Intrusion detection | United Kingdom (UK) | |
| A.B. Electrical & Security Co Ltd | CCTV | United Kingdom (UK) | |
| AB Security | CCTV | United Kingdom (UK) | |
| AB Security and Fire | Intruder alarm | United Kingdom (UK) | |
| Abel Alarm Company Limited | Integrated security | United Kingdom (UK) | |
| Accent Alarms, Inc | CCTV | North America | |
| Access Security Corporation | CCTV | North America | |
| Access Systems Integration, LLC | Integrated security | United States of America (USA) | |
| Active Securities UK | CCTV | United Kingdom (UK) | |
| Active Security | Intruder alarm | United Kingdom (UK) | |
| ADB Alarms Ltd | Intruder alarm | United Kingdom (UK) | |
| ADi security and surveillance | CCTV | United Kingdom (UK) | |
| ADL Fire and Security Ltd | CCTV | United Kingdom (UK) | |
| ADS Security | Central monitoring systems | United States of America (USA) | |
| ADT Security | CCTV | United States of America (USA) | |
| ADV Security | Intruder alarm | United Kingdom (UK) | |
| Advance Integrated Systems (AIS) | CCTV | United Kingdom (UK) | |
| Advance Monitoring Solutions Limited | CCTV | United Kingdom (UK) | |
| Advance Peripheral Systems Ltd | Intruder alarm | United Kingdom (UK) | |
| Advance Security UK Ltd | Manned guarding | United Kingdom (UK) | |
| Advanced Security Developments | CCTV | United Kingdom (UK) | |
| Advantech, Inc. | Consulting services | United States of America (USA) | |
| Aegis Security Solutions & Technolgies Ltd. | Intrusion detection | United Kingdom (UK) | |
| AEL Systems LTD | Intruder alarm | United Kingdom (UK) | |
| AGE CCTV | CCTV | United Kingdom (UK) | |
| Al-Futtaim Engineering LLC | Intruder alarm | United Arab Emirates | |
| Alarm-aFence | CCTV | United Kingdom (UK) | |
| Alarmas Punto Alerta SA de CV | Intruder alarm | Mexico | |

Hirsch designs and manufactures security systems for worldwide markets. Hirsch's award-winning security and identity management systems integrate access control, video surveillance, intrusion detection, digital certificates, smart cards and biometrics.
Hirsch is part of SCM Microsystems, Inc., provider of the world's broadest range of smart card readers. Together, SCM and Hirsch bring convergence to reality by integrating physical and logical security. Their solutions enable organisations and individuals to secure their facilities, computers and commerce.
SCM and Hirsch customers achieve the risk mitigation, cost reduction, and reputation protection that lead to success. (NASDAQ: SCMM, Prime Standard: SMY)


