DIRAK provides industrial enclosure hardware, developing, manufacturing, and distributing components for rack and enclosure construction. They specialise in latching, hinging and gasketing products which can function either mechanically or electronically.

DLRS Group Security Concepts is Ireland’s largest security printer. Established since 1976, the company has production facilities in the Republic of Ireland and Northern Ireland, servicing the needs of major financial and government bodies.

DOM-UK Ltd. focuses on developing and offering high quality mechanical and access control solutions for residential and commercial applications. They provide smart access control, mechanical and digital locking solutions, including locks, lockcases, digital handles and cylinders, wall readers and terminals, trapped key interlocking systems and anti-tilt systems.

Domo Tactical Communications Broadcast is a global MNC engaged in the development, delivery and support of high-tech video surveillance, IP Mesh, Covert Audio and Video, integrated surveillance, maritime security and robotics solutions.

Door Entry Direct Ltd specialises in the distribution of door entry systems of proven quality. The team at Door Entry Direct Ltd have over 25 years experience in door entry phone intercom systems.

Door-Stop offers composite door solutions in a completely different way. They are easy to buy, quick to get hold of, and are easy to sell. Today 90% of Door-Stop’s orders are placed using the 1 minute, 5 step online ordering system. They deliver doors nationwide in just 3 days. Their doors come with an ERA cylinder-free lock which is secure. With a traditional mortice key, the door doesn’t need a locking cylinder because the key engages directly.

DORLET was set up in 1989. From the start, the company focused on producing its own product, developing all of the necessary technology, including hardware and software. Based on access control, the company's systems have evolved over the years to form a comprehensive management platform, DASS. This platform also includes visitor control, presence control, ID cards , integration of other subsystems, among other systems.

DORMA is a globally active supplier of door technology products and systems. The company is the world market leader in door controls, movable walls and automatic door systems. The DORMA Group is subdivided structurally into five divisions: Door Control, Automatic, Glass, Security / Time and Access and Movable Walls. DORMA maintains major production plants in several European countries plus Singapore, Malaysia, China and North and South America.

Dorma and Kaba are now Dormakaba. They offer products, solutions and services for secure access to buildings and rooms – now all from a single source. They have over 150 years of experience, and stand for security, sustainability and reliability.

Dorset Architectural Ironmongers is one of the leading supplier of architectural ironmongery, fire protection products and associated services to clients in both the public and private sector. Based in Dorset, the company product range including access control, hinges, door closers, locking systems, and fire escape hardware etc. DAI work with all the leading manufacturers to provide an extensive range of top quality products for all projects.

Dot Origin Ltd. is a leading European provider of products and solutions in the field of smart card technology. Dot Origin distributes smart card, RFID and NFC solutions from vendors including ACS, Gemalto, HID, Identive and NXP. Headquartered in the UK with US subsidiary, the company has been operating successfully in this market for over 10 years, and has a wealth of knowledge and experience which is used offer comprehensive technical support.

DragoSanz provide extensive experience in security products, installations and after sales service since its foundation in 1876. The company offers keys, key cutting and key cabinets, safes, cash boxes and strong rooms, safety containers & deposit boxes.

DRS Technologies is a leading supplier of integrated products, services and support to military forces, intelligence agencies and prime contractors worldwide. DRS holds leading market positions in thermal imaging devices, combat display workstations, electronic sensor systems, power systems, rugged computer systems, air combat training systems, mission recorders, deployable flight incident recorders, and environmental control systems etc.

DSG Systems is a subsidiary company of Bertel O Steen, who is one of the respected companies in Norway. DSG is a specialist provider & systems integrator. The company provides security systems "real-time" network video surveillance, security installations at airports, bomb protection, & security of mobile and fixed plants on land, sea and air. DSG also delivers detection solutions as well as self-service bag drop systems for airports worldwide.

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 organisations.

DSX-Europe is a UK company based in Manchester. The company specialises in distribution of the DSX Access Systems. DSX-Europe offers hardware, software as well as biometrics solutions of DSX Access Systems. With over 75 years of experience in electronic security industry, DSX-Europe's staff are well equipped to help customers with any Access Control requirements.

DUEVI is a security systems manufacturer specialised in new generation wireless burglar alarms and CCTV systems. With a team of self-primed professionals the company offers the highest quality of products in order to satisfy all security requirement

Dycon is the leading provider of advanced multi-signalling products for security industry. Using various technologies, Dycon can provide devices to initiate data transfer through PSTN, GSM, GPRS (TCP/IP) Broadband (TCP/IP) & SMS, and can be used with most alarm control & Alarm Receiving Centre (ARC) equipment. Dycon also manufactures a range of EN compliant security control equipment and power supplies for alarm, access control & CCTV systems.

With over 25 years of experience and about 13.000 High Performance Doors installed every year, DYNACO is one of the worldwide leaders in Industrial roll-up doors. The DYNACO achievement is the result of patented designs and features to achieve safety, performance, sealing and low maintenance costs and to answer specific requirements.

Dynasystems Ltd is a UK-based company that manufactures a range of blast & ballistic mitigation products and systems, including guard towers, walling and barriers, windows, entry control systems and polymer armour. Its products are used in embassies and other diplomatic missions.

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.

Eagle Eye Networks, Inc. is a video security systems manufacturer in the USA. The company delivers cloud-based security and operations video management system (VMS) providing both cloud and on-premise recording. The Eagle Eye Security Camera Video Management System supports a broad array of IP and analogue cameras.

EasySecure International BV is the security systems integrator in Netherlands. The companys’ offerings include access control system, time recording, attendance registration, affiliate solution, software, finger scanner, card reader, SDK etc.

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.

EDEN INNOVATIONS, a French SME with international customers, controls the complete production chain from design, production to customer service. The company's technology area includes access control and biometrics.