R.J. Coleman provides installation of intruder alarm and security lighting, and maintenance of burglar alarm. The company operate out of their head office in Scunthorpe on major construction programmes across the UK. R.J. Coleman client base in varies including commercial factories, shops, agricultural, public houses, nightclubs, local government and domestic clients.

Established in 1998, Racam Security & Communications Ltd. specialises in the design, supply, installation, commissioning and maintenance of many types of security and communications systems. Racam Security & Communications' systems range from domestic intruder alarm systems to large public space CCTV systems and include police, local authorities, casinos and defence contracts.

Radio Data Technology went into liquidation on 13th August 2013 and now AMG Systems is manufacturing RDT products. AMG Systems is a leading UK manufacturer and global provider of video and communication transmission solutions designed for CCTV surveillance operations in transport, public, government and military sectors.

Radio Physics has spent several years inventing and augmenting millimetre wave radar technology to effectively and accurately detect concealed threats at distances up to 30 metres. In doing so, Radio Physics has become the world leader in standoff concealed threat detection, reliably detecting PBIED's (bomb vests), Assault Rifles, Machine Pistols and large bladed weapons.

Radiocoms Systems Ltd offer their customers a total communication system: specialist teams that combine a wealth of engineering knowledge and unwavering support to deliver a powerful tool that addresses varied businesses challenges, boosts efficiency and enhances the overall safety practices.

Raidocontact Ltd is a manufacturer and installer of specialist security and communication systems. Radiocontact's client base includes airports, banks, government establishments, hospitals and railways. The company manufactures closed circuit television, house security systems and specialised fabrication of panels as well as controls.

Formed in 2004, Radius Security Systems Ltd is a North West security expert and provider of door supervision and event security. Radius Security Systems Ltd covers a wide range of areas throughout the North West and Yorkshire. Radius Security Ltd holds SIA approved contractor status for the provision of Door Supervision. Radius Security Systems operates mainly in the commercial, industrial and public sectors of London and the South East.

Rainbow provides a range of IP and analogue security solutions.

Incorporated in 1977, Rainbow Security Systems is part of Rainbow Electrical & Security Systems Ltd. Based in Northampton, England, Rainbow Security Systems specialises in the installation and maintenance of intruder alarms systems to domestic dwellings. Its clientele includes the premier national house builders David Wilson Homes, Westbury Homes, Persimmon Homes, Charles Church Homes and King of Oak Homes.

Rampart Security Ltd are installers of Security Systems to British Standard 4737 ISO 9000 and NACOSS. Rampart Security is an established business with over 12 years experience in the security industry. With extensive expertise and knowledge, the company designs, installs, and maintains, a comprehensive range of security systems to suit customer needs.

Rapid Action Security is a private security service in the United Kingdom, based in Leeds, committed to providing unrivalled commercial and residential security solutions. They are a reliable and trusted security solutions provider with a committed and reliable workforce.

Rapide Security & Surveillance Ltd. is the Midlands leading installer of commercial security systems, house alarms, automatic and manual fire alarms, closed circuit television systems, door access control, as well as fully integrated solutions including personnel attack and hold up alarms. Rapide Security & Surveillance is a NSI “Gold” approved installer of security systems and is also certified to the international quality standard ISO 9001.

Raven Security Solutions Ltd offer all kinds of security services tailored to your companies individual needs to protect your staff premise and stock.

Since 1985, Raysil Security Systems Limited has been designing and installing integrated security systems to the highest industry standards, collecting certifications - NSI, LPS 1014, ISO 9001-2000 and approvals - police authorities, home office, major insurers - along the way.

Raytec are a specialist manufacturer of CCTV lighting and ANPR hardware. Raytec provide a complete range of World leading Infra-Red and White-Light illuminators for the CCTV professional. All our illuminators offer industry-leading performance with low running costs and low maintenance.

Raytel Security Systems is a wholly owned subsidiary of the Raytel Group Limited established in 1980 as a holding and central services company for Rayleigh Instruments Limited (Est.1964) and Raytel Security Systems Limited (Est.1979). Raytel's product portfolio displays a variety of door entry systems & access control equipment. In addition, the company also offers CCTV systems.

Realtime Security UK Ltd. is a security and investigations company located in Stevenage, Hertfordshire, United Kingdom. Established in 2007, Realtime decided to put its knowledge and industry know-how into sourcing and selling easy to install CCTV equipment for the home and business.

Established in 1993, Red Alert provides solution to the ever increasing threat to security in the home, offices, farms and other industries. The company offers various security products, such as intruder alarms, fire extinguishers, gate automation, fire alarms, safes for home security.

Red Maple Technologies was founded with one goal in mind: to help organisations demystify all aspects of cybersecurity.

Redcare is a market-leading specialist in secure, monitored communications services, which help customers to benefit from automated, intelligent decisions and responses. With over 25 years of experience, Redcare is recognised as having a world leading platform for connecting, controlling and managing data, serving some of the largest organisations in the world.

Redstone is a consultancy services provider in the UK. The company provides onespace, access control, RFID tracking, meeting room booking, IP cctv, intelligent lockers, intelligent lighting, digital signage and IP TV, cashless vending, AV technology and cabling consultancy services.

Redvision is a British design and manufacturer of high-end PTZ positioning products. All products are made and technically supported at their facility in Bordon, Hampshire. The product range having been localised into multiple languages is sold across Europe and the Middle East principally through the distribution network.

REEL TECH innovates, designs and manufactures maintenance solutions for Lighting, CCTV, Fire, Audio Visual, Banner, Advertising material, and Decorative displays. With this innovative technology, REEL TECH is able to offer a world first a range of remote-controlled lifting systems. This range offers new possibilities in terms of safety, cost-effectiveness and simplicity.