Page 5 of 253 pages

| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| Reed Exhibitions | Exhibition and conference organising | United States of America (USA) | |
| RemGuard Visual Management | CCTV | United Kingdom (UK) | |
| RIVA | CCTV | Western Europe | |
| SAE Electronic Co., Ltd. | CCTV | China | |
| SALTO Systems | Access control | Global | |
| Samsung Techwin America | CCTV | United States of America (USA) | |
| Scantronic, Cooper Security Ltd. | Intruder alarm | Global | |
| Security Products from Siemens | Integrated security | Global | |
| SeeTec AG | IP networking products | Germany | |
| Senstar | CCTV | United States of America (USA) | |
| Shanghai Huayuan Electronic Co.,Ltd | RFID | China | |
| Sicura Systems Limited | CCTV | United Kingdom (UK) | |
| Siemens Building Technologies | CCTV | Global | |
| SilverNet | IP networking products | United Kingdom (UK) | |
| Siqura B.V. | CCTV | Global | |
| skycneye.net | CCTV | China | |
| SMi Group Ltd. | Exhibition and conference organising | United Kingdom (UK) | |
| Southwest Microwave Ltd. (UK) | Perimeter protection | Global | |
| Spica International | Access control | Slovenia | |
| SPIE | Optics and Photonics | Global | |
| Superior Electronics Corporation | CCTV | Taiwan | |
| Suprema | Access control | Global | |
| Surveon Technology Inc | IP networking products | United States of America (USA) | |
| Tamron Co., Ltd. | CCTV | Global | |
| TDSi | Access control | United Kingdom (UK) | |
| Tecnovideo | CCTV | Global | |
| TeleEye Europe Ltd. | CCTV | Global | |
| Telexper International Inc. | CCTV | Global | |
| Terrapinn Holdings, Ltd. | Communicators | United Kingdom (UK) | |
| Texecom | Intruder alarm | United Kingdom (UK) | |


