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.

RAA provides high-end 24/7 local monitoring and quality equipment to over 18,000 South Australian homes. RAA is known for providing 4G wireless monitored systems for residential complexes and smart homes. They also provide CCTV security systems, keychain remote controls, wireless repeaters, smoke detectors, door and window sensors.

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.

RACOM specialises in phone systems, pagers, radios and voice recorders to warning lights and sirens, CCTV. Use of video is on the rise throughout the public and private sectors and has a variety of uses for security, monitoring and surveillance. RACOM security systems helps safeguards schools, hospitals, tower sites and government buildings.

Racomtel Communications is a leading embedded traffic and security surveillance solution provider. Racomtel has a long lasting and rich experience in speed monitoring. The company has installed 45,000 cameras delivered to more than 60 countries. Racomtel also deliver Live streaming Video from any where in Accra(Ghana) to United States of America in Washington DC metropolitan area.

Radar Security offers the highest quality of integrated security systems on the market today. They provide outstanding service to customers and assist them in achieving their goals.

Radclyffe Global Security (RGS) is a security systems installer in Dubai. The company provides IP systems, integrated security, access control, active number plate recognition, intruder detection, perimeter detection, thermal imaging, network infrastructure, command and control, security management systems, digital signage and audio visual systems installations for shopping centres, hospitality, oil/gas and communications etc.

Radiant Security is an autonomous SecOps platform that automates security operations using machine learning and AI to triage and investigate incidents with consistency, accuracy, and scale only achievable via software. Deployed in minutes via API, Radiant Security provides rapid time to value and immediately reduces analyst workloads by as much as 95%.

Radio Comm Security Solutions is one of the fastest growing company in the field of providing wireless (Trunking Radios) and security related products such as Motorola Hand Held Set, Base Mobile, Repeater, CCTV cameras, vehicle tracking systems, door frame metal detector, X-ray scanner, night vision devices and search lights etc.

Radio Data Networks has established itself as the UK's largest provider of licenced radio links and smart sensors for applications such as sewer monitoring where it currently delivers over 200-million messages per annum over its Ofcom licenced band that covers the whole of the UK from Northern Ireland right down the to Channel Islands of Jersey and Guernsey.

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.

Radium Security Systems are a well respected and established company, with their security solutions being delivered across the UK. They install intruder alarm systems to the North-West and North Wales, and CCTV and access control throughout the whole of the UK to corporate businesses, small businesses, domestic property owners, as well as industrial and commercial sites.

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.

Radlink Communications is a Western Australian supplier, installer, servicer and maintainer of professional two way radio communication systems and wireless data communication systems.

From designing and building the most robust and sophisticated fire protection systems in the world to basic maintenance and inspection services, RAEL Automatic Sprinkler Company provides clients with the peace of mind they demand. At the heart of RAEL Sprinkler is RAEL-REDiSM Equipment Tagging Program, a program that combines NFC Tag technology and a cloud-based platform to add a unique and secure digital identity to every sprinkler valve.

Rafale Enterprises supplies professional security cameras and surveillance equipment, solar street ligths, office built/fit out and high end solutions with cutting edge technology to governments, business owners, commercial and retail clients worldwide. The company offers a complete range of security surveillance units and packages.

Outsourcing IT infrastructure support provides a cost-effective way of ensuring that customers have access to up to date IT Support Services to keep IT running efficiently. Server Consultancy has been providing IT support services to small and medium-sized businesses across Ontario and the rest of the Canada for the last fifteen years. In doing so, they have grown to become one of the best IT support providers.

RagingWire Data Centers designs, builds and operates mission critical data centers that deliver 100% availability, high-density power, flexible configurations, carrier neutral connectivity and superior customer service. RagingWire provides facility security, access control, monitoring and surveillance.

Raidiam provides modern, flexible, IAM solution which helps organisation to improve customer experience and satisfaction. Raidiam also provides guidance that will reduce ongoing costs, reduce time-to-market and deliver a consistent model cross the web, mobile and API channels.

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.

Rakuten's vast portfolio includes market leaders in e-commerce, marketing, advertising, business intelligence, logistics, communications and entertainment. They believe that focusing on innovation and ethics creates value for consumers and businesses by aligning them together in a shared community.

Ralarm connects renters to monitored home security from ADT.

RAM are one of the UK's largest and leading suppliers of telescopic posts, security bollards and security barriers. Availavbe nationwide, all RAM products are high quality engineered products, designed to be durable, effective and long-lasting. The range of RAM's client base is a diverse as the need for security barriers from construction sites to shopping centres and car parks.

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.

Ramtech is the UK’s renowned wireless systems technology specialist, delivering innovative safety and security solutions for leisure and industrial applications. Their cutting-edge systems are engineered to deliver the highest standards of legislative compliance while meeting the unique safety challenges of complex environmental conditions from rail depots to banks, power stations to construction sites.

RAND Corporation is a nonprofit institution that helps improve policy and decision-making through research and analysis. They provide consultancy and specialised services in the field of Infrastructure & Transportation, International Affairs, Law and Business, National Security, Public Safety, Science & Technology, and Terrorism & Homeland Security.

Rantring provides a wide range of products and services in the field of security. The company offers solutions for the installation of certain security elements in business (video survey cameras, sensors, alarms) and the development of projects "turnkey" for more demanding security needs.

Rapid Response Systems provides alarm systems, access control systems, CCTV, IT, network configuration & integration and cabling for both residential and commercial customers. They are based in Garland, Texas.