Finland based, Divacont OY, offers security equipments such as IP and analogue cameras, NVRs, software, and more. from leading manufacturers including AVIGILON, GRUNDIG, MIRASYS, ORION, VIDEOTEC, SAMSUNG, FLIR, NVT, etc. Divacont provides its clients with technical support, maintenance, service, and assistance with all trade and supply issues , then aids with project management, consulting, accounting, installation, documentation and training.

Divinet GmbH creates partnership with installers, designers and end users for working of an interactive network of engineering, sales and service. It also concentrates on the integration of quality systems in customer or industry-specific solutions. Dallmeier Electronic has set up an authorised branch office within Divinet for Switzerland region. Divinet offers Dallmeier CCTV / IP solutions and SMAVIA software package.

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.

Docklands Digital supplies and installs digital CCTV systems, access control systems, video over networks(LAN), broadband internet, general security solutions as well as general repairs and maintenance. Docklands Digital also offers TeleEye series of video and audio remote monitoring systems through the access of ADSL, cable modem, mobile network, PSTN, ISDN, leased line, LAN or the Internet.

DOI focuses on solving problem using state of the art video technology as well as providing professional knows-how. DOI will help you to develop and design efficient video solutions to guarantee customer satisfaction. Some of its services include with sales training with technical background, key account management and logistic and RMA service.

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.

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.

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.

Established in 1997, Door Controls Direct is a UK specialist online supplier of electromagnetic door closers and door control equipment with access to thousands of door hardware products. It also supplies digital locks, access control, electric locking, power supplies, and automatic door operators, as well as door hardware and fire escape hardware for buildings to comply with fire safety and security regulations.

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.

Doorware is Ireland’s leading provider of solutions for door systems ranging from large scale commercial projects to smaller domestic installations. Doorware provides its clients with quality products from worldwide leading brands such as Salto, Eclisse and Marcal. The company offers smart chip systems, wire-free networked access control, locking solutions, and other access control services. Doorware also provides clients with technical advice.

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.

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.

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.

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.