DC Solutions is a CCTV installer based in Luton.

Defender was founded in the year 2000. They manufacture fire suppression solutions. They are now established in around the world to bring the best kitchen suppression system in every kitchen. Their product is Certified LPCB.

Detection Security Systems offers complete range of specialist electronic fire & security systems to meet the ever changing needs of residential, commercial, retail and industrial clients. The company provides products and services such as intruder alarms, CCTV systems, access control, fire alarms, alarm monitoring, gate automation as well as service and maintenance.

Device Smart Ltd. have been developing Monitoring and Control Software & Middleware Platforms for over 15 years before cloud, before IOT, before "smart anything" was a buzz word.

Didactum® Security GmbH offers intelligent monitoring solutions for the Environmental and IT Monitoring. The field-proven monitoring hardware is used in many businesses and institutions. Through video surveillance and access control systems the access to sensitive facilities and rooms can be centrally monitored and controlled.

Direct Security provides Integrated systems, CCTV, access control, door entry, intruder alarm, fire systems, personal attack systems, photo-id, vehicle recognition ANPR, structured cabling, networked systems, asset management, project management, data management, software development, consultancy, and system auditing services. Direct Security is an ISO 9002 quality assured company and NACOSS Gold and Construction Line accredited.

Established in 1982 Direct Security Systems has earned an excellent reputation for providing security products and services in Wolverhampton, Walsall and surrounding areas in West Midlands. The company provides high performance intruder alarms, area detectors for residential, commercial & industrial needs, control panels that react to change, access control systems, card readers & keypads, CCTV & 24 hour monitoring services, fire alarm systems.

Direct Trade Supplies supplies consumer units, CCTV, heating, timers, low energy LEDs, lighting, access control systems, fire protection systems & lots more from top manufacturers.

Domalarms is a family owned and run company. The company has its head office in Leeds on the outskirts of the city centre. Domalarms deals in all aspects of home, business and commercial security designing, supplying, and installation including burglar alarms, intruder prevention systems, CCTV systems, access control systems, automatic lighting, electrical services, fire alarms, and automated gates and barriers.

The new combined Dorset & Wiltshire Fire and Rescue Service came into being on 1 April 2016, and now serves the local authority areas of Bournemouth, Dorset, Poole, Swindon and Wiltshire. They are ‘passionate about changing and saving lives’ – and are excited by the possibilities that are now open to them as a larger Fire and Rescue Service.

Dräger is a leading international company in the fields of medical and safety technology. Dräger provides firefighters all around the world with state-of-the-art equipment, services and training.

Dragon Fire & Security Systems is one of South Wales' largest independent fire and intruder alarm installers. The company offers intruder alarm, fire alarm, CCTV, remote monitoring (off-site), automatic gates and barriers, access control and door entry, emergency lighting systems' services. Dragon Fire & Security Systems is approved to all industry's highest recognised standards including NSI (NACOSS GOLD) and BAFEFire Alarm Certification Scheme.

UK's Dragon Security Systems designs, installs and maintains security systems including CCTV surveillance, fire detection, intruder detection, and access control for commercial and domestic use. The company is NSI Gold approved and quality insured to provide the highest standard possible. Dragon Security Systems also schedules regular preventive maintenance checks to both its own installations and those systems installed by other companies.

DS Securities is one of the leading independent security and fire specialists in the UK. The company aims to provide a range of innovative, reliable and dependable security, fire, CCTV, access control, network and IP technology solutions, specifically designed, installed and maintained to highest standards for customer’s individual needs. DS Securities' clients include individual home owners, small businesses and large corporations.

DS Security is a pioneer UK Security company providing Security Services throughout the United Kingdom. Their security camera systems, access control and asset protection solutions provide a real deterrent and the peace of mind having a full record of any event or problem if needed.

Cornwall CCTV, fire and security specialists, Duchy Alarms, offers a professional installation and maintenance service for a wide range of fire and security alarms and systems throughout the South West of England. Duchy Alarms has been serving the domestic and commercial industry throughout Devon and Cornwall. Previous clients include the RNLI, National Probation Service, and various Schools, Colleges, and NHS hospitals.

Dyfed Alarms Ltd is one of the largest independent suppliers and installers of intruder alarms, CCTV, fire detection systems and access control equipment in Wales. The company offers a wide range of security equipment and provides industry leading installation and maintenance services for both residential and commercial customers. Dyfed also offers 24-hour alarm monitoring and response, scheduled and emergency maintenance.

e-fireandsecurity.co.uk provides fire and security products to the retail and trade including a large range of wireless and wired intruder and burglar alarms, like infinite prime, powermax, powermax+, powermax pro, wisdom and i-on. The company also stocks fire rated lighting, smoke detectors, CCTV and all associated equipment, door entry systems, audio and video entry systems, access control, fire protection, security lighting.

Southport's EFT Systems Ltd is one of the leading fire and security company. The company provides electrical/electronic security and fire safety systems, accredited to NSI ISO 9001, NICEIC AND JIB. EFT designs, installs, services, and maintains a range of systems, tailored to both domestic and commercial client requirements. The company offers security systems, access control, CCTV, fire protection, alarm monitoring, and specialist call systems.

E2S is the world's leading independent signalling manufacturer. The company specializes in the design, development and manufacture of high electronic sounders, PA loudspeakers, intelligent voice annunciators, flash alarms, status lamps and manual call points.

East Sussex Security, established in Hailsham, is an acknowledged security expert throughout Kent, Surrey, Hampshire, and Sussex. The company's specialists advise, supply, and install a comprehensive range of security solutions for both domestic and commercial premises, including intruder alarm, fire alarm, CCTV, and access control systems. East Sussex Security ensures that the system is serviced and maintained to the current BS EN standards.

Cooper Security, now a part of Eaton, has over 30 years of experience supplying security equipment for residential and business premises. The company is one of the world’s most respected intruder detection equipment designers and manufacturers. Scantronic and Menvier Security are its UK/European brands, which include intruder alarms, movement detectors, voice & digital communicators, and access control systems.

With over thirty years of experience within the Scottish security industry, Eclipse (IP) Ltd serves the needs of organisations in both the public and private sectors, large and small, across Scotland. With locally based engineers, the company provides full service from initial consultation & design, to installation project management & after care. Eclipse offers security systems and safety solutions.

At EDSB, they believe that their culture sets them apart from the competitors. They’re a modern and progressive business with innovative ways of managing and supporting the people, and they also promote an inclusive and collaborative workplace culture, so that everyone feels at home.

Edwards Electronic Systems, Inc. design, inspect, install and service life safety and security systems, including fire alarm systems, security systems, nurse calls, CCTV, area rescue, card access and sound intercom systems.

EFT Systems Limited specialises in providing electrical/electronic security and fire safety systems. EFT design, install, service and maintain a range of top quality systems, tailored to both domestic and commercial client requirements. At EFT, we offer highly competitive price levels. Our qualified teams of skilled operatives work speedily and effectively to maximise efficiency – never compromising our high standards or personal service.

Based in Essex and London, Elan Security Systems has residential, commercial, and industrial customers all over the UK. The company is an approved NSI / NACOSS Gold installer for security systems. Elan Fire & Security designs, installs, commissions, and maintains vast range of access control, CCTV, IP systems, intruder alarms, fire alarms, and gate automation.

UK's Electrical Fire & Security Solutions supplies, installs, maintains, and offers break down fault repair services to CCTV, access control, biometric systems, door entry, intercom, intruder alarm, perimeter alarm systems, fire alarm systems, automatic electric gates, vehicle barriers, and electrical systems. The company offers services to industrial, commercial and domestic installations in Hampshire, Dorset, Wiltshire, Berkshire, and London.