DroneOps specializes in the commercial application of Small Unmanned Aerial Systems (SUAS) and robotics. They research and develop new capabilities for drones to work in the commercial, security and defence arenas.

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.

dsc security is the trading name of DSC Alarms Ltd. The company is supplier and installer of security equipments to both Residential and Commercial customers. Based in Crowthorne Berkshire, dsc security is one of the premier privately owned security companies in the Thames Valley specializing in intruder alarms, locks, safes, CCTV & access control.

DSSL Group is a specialsits in Closed Circuit Television, Access Control and Integrated Systems. The company expertise in development, installation, maintenance and integration of CCTV, access control (wireless, fibre and hard wired) and perimeter protection systems gained with various organizations.

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.

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.

Eagle Security Solutions is a security systems specialist offering burglar alarms, CCTV, and door entry systems installation and maintenance for homes and businesses. In addition, they provide a range of professional home alarm systems, such as Visonic Powermaster, Risco Agility, and Premier Elite.

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.

ESS is an independent company specializing in all aspects of care alarms and electronic security systems, based in Earith, Cambridgeshire. The company also offers electronic access control solutions ranging from one door to multiple sites using LAN or internet connections, including full software control for BMS systems with card ID printing and door alarm mapping facilities.

Eastern Voice and Data is a UK-based security and software solutions firm. They provide IP networking, VoIP, CCTV, WiFi, IT software, fiber optics, cabling, access control and cloud 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.

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 maximize 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.

Electrical, Fire, & Security services to a diverse range of customers. As a forward thinking company it also offers bespoke systems that meet varying operational requirements.

Tayside's ELECTRO GUARD protects homes, business premises and public institutions of every size and description. The company designs, installs, and provides state-of-the-art electronic security systems. ELECTRO GUARD offers intruder alarms, CCTV systems, fire alarms, access control, locksmiths, and nurse call systems. The company also offers alarm monitoring services that provides 24/7 monitoring and protection to the clients' property.

Based in Belfast, Electronic & Security Services Ltd is a team of designers and installers, who help in designing, installing, commissioning, and servicing of security systems. The company provides its residential, commercial, and retail customers with security solutions. Electronic & Security Services offers security solutions including CCTV, access control, door entry, fire alarm, automated gates, and security lighting.

ECHO operates to fullfil Bluelight Services interest in speeding up the police response to verified alarm activations through the use of digital automated alarm transmission technology. Its digital communications hub provides an automatic transfer to police control rooms of confirmed intruder and hold-up alarm activations, faster alarm verification, accurate incident information, and automated event incident acknowledgment.

Electronic Security Installations Ltd is a specialist security installation company. The company's clients include private homes, shops, large offices, industrial sites, schools and medical units. ESI is accredited by the Security Systems Alarms Inspection Board (SSAIB) for installing and servicing intruder alarms. Based in the North West Electronic Security Installations cover Cheshire, Derbyshire, Greater Manchester and all surrounding areas.

Electronic Security Systems and Fire Protection Ltd provides service and maintenance facilities for utility companies in the UK, telecommunications providers, primary care trust sites, major UK hotel chains, along with chains of fashion and convenience stores. The company's team of trained technicians are fully conversant in installation, service, maintenance and commissioning of fire alarms, CCTV, intruder detection and access control systems.