
| Company name | Primary business area | Primary coverage | |
|---|---|---|---|
| RISCO Group | Integrated Systems & Intruder | Global | ![]() |
| Raytec Ltd | CCTV | United Kingdom (UK) | |
| Reed Exhibitions | Exhibition and conference organising | United States of America (USA) | |
| RIVA | CCTV | Western Europe | |
| R & A Security Services | Manned guarding | United States of America (USA) | |
| R & D Security Manufacturing Ltd | Access control | United Kingdom (UK) | |
| R Security Alarm Co | CCTV | United Kingdom (UK) | |
| R&M Electrical Group | Cables | United Kingdom (UK) | |
| R-Kom GmbH & Co. KG | CCTV | Germany | |
| R.G.A. Security Systems, Inc. | Integrated security | United States of America (USA) | |
| R.J. Coleman | Integrated security | United Kingdom (UK) | |
| Racam Security & Communications Ltd. | CCTV | United Kingdom (UK) | |
| Racomtel Communications | CCTV | Ghana | |
| Radford Customer Guidance & Security | CCTV | United Kingdom (UK) | |
| Radio Data Technology Ltd | CCTV | United Kingdom (UK) | |
| Radiocoms Systems Ltd | Communication equipments | United Kingdom (UK) | |
| Radiocontact Ltd | CCTV | United Kingdom (UK) | |
| Radiovisor | CCTV | United Kingdom (UK) | |
| Radius Security Systems Ltd | CCTV | United Kingdom (UK) | |
| Radlink Communications | Communication equipments | Australia | |
| Rados Technology (MGP Instruments Inc) | CCTV | United States of America (USA) | |
| RADWIN | Communication equipments | Global | |
| RAE Systems | Biological detection equipments | Global | |
| Rainbow CCTV | CCTV | Global | |
| Rainbow Security Systems | CCTV | United Kingdom (UK) | |
| Rakshak Security Systems | Fire safety | India | |
| Rampart Security Ltd | CCTV | United Kingdom (UK) | |
| Ranco Security Supplies Ltd | CCTV | United Kingdom (UK) | |
| Rapid Morph Technologies | Software | North America | |
| Rapid Response Monitoring Services, Inc. | Central monitoring systems | United States of America (USA) | |



