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.

Direct Protect Security & Surveillance provides state-of-the-art security systems for residential and commercial buildings. They also offer advanced technology video surveillance capabilities, burglary and fire system notifications, two-way voice technology and medical alert monitoring solutions.

Directed Perception was founded with a mission to be a leading manufacturer of innovative devices and software for the intelligent control of sensors and sensor processing. The Company's patented products are used in a wide range of industries including security & surveillance, industrial automation, robotics, communications, military/aerospace, law enforcement, education, R&D, webcams, and teleconferencing/distance learning.

Based in Boca Raton, FL, DirectView, Inc. is a leader in the area of security-related services for residential, commercial and industrial locations across the US. In business since 1995, DirectView has grown to be one of the mostly highly recognised providers of security solutions for a broad range of industries including hospitality, banking, aviation, processing/refining, and manufacturing/logistics.

As cyber risks evolve and become increasingly interconnected, traditional security measures remain static and compartmentalized. Discern Security's innovative platform empowers to visualise security configurations while facilitating dynamic, ongoing policy management across an arsenal of security tools.

DST’s mission is to deliver technology solutions that transform predictive & planned maintenance by offering patented technology that redefines how ultrasound is gathered and utilised. Its easy-to-use, self-calibrating ultrasound diagnostic system empowers technicians with real-time information to predict equipment failure, extend equipment life and lower total costs.

Disruptive Technologies (DT) is a Norwegian tech company and the award-winning developer of the world’s smallest wireless sensors and IoT infrastructure. These tiny, robust, affordable, and adaptable sensors are designed to reach an ever greater number of operational components, making buildings intelligent and sustainable, in minutes.

DITEK Networks is the first line of defence for Video Surveillance, Fire, Networking, Communications, Intrusion Detection, Access Control and AC Power systems. They have led the industry in the design and manufacturing of surge protection solutions for over 30 years, incorporating the latest technologies for maximum performance and protection.

DITEK Corporation has been the industry leader in the design and manufacturing of surge protection devices and systems for more than 20 years. DITEK provides total surge solutions for low voltage CCTV, fire and intrusion, access control, and voice/data/signal applications, including VOIP and POE.

Diversified is a full-service systems and media technology integration company, originally addressing the technical needs of the broadcast, audio-visual, IT and RF market segments. The company is also a technology solutions provider of innovative digital media, collaborative broadcasting, electronic security, and OTT solutions to a wide array of markets including financial, media & entertainment, enterprise, energy, technology and healthcare.

DivioTec is an exciting new brand focused exclusively on the design and manufacture of security and surveillance products. The DivioTec team includes R&D, manufacturing, quality management, and application engineering professionals with more than 20 years of experience in the industry.

Diyar United has been in the business of providing innovative Information Technology solutions, products, and services in Kuwait. Based on that solid foundation, Diyar has emerged to provide innovative solutions in the Middle East Region. In addition, it has invested in providing industry-specific solutions for the Government, e-Government, Homeland Security, Oil Industry, Telecom Industry, Transportation, and Health sector.

DJI specialises in flying and camera stabilisation systems that redefine camera placement and motion. DJI makes it possible through unparalleled commitment to R&D, a culture of constant innovation and curiosity, and a focus on transforming complex technology into easy-to-use devices.

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.

Dailianxu Engineering Co.,Ltd is a powerful and Hi-tech company which specialises in research and development (R&D), manufacturing, marketing service of CCTV cameras, NVR, CCTV video fiber converters etc.

DM Network Video is the IP surveillance arm of Dedicated Micros, the world class manufacturer of DVRs and video servers. DM Network Video provides differentiated IP video surveillance solutions that can grow from a single camera to a full enterprise-scale system and offers features and benefits unique in the market.

DNF Security is a leading manufacturer of dependable, mission-critical video surveillance solutions. Each DNF Security video solution is designed to handle the most complex video surveillance and physical security environments. The company offers a comprehensive range of products that provide enhanced storage protection, redundancy, high availability, and superior scalability in each cost-effective configuration.

After working with various types of IT companies, DoIT Software Sp. z o . o decided to create a company that would combine the advantages of a product company and a software house in one place, avoiding their weaknesses.

Dojo Labs are manufacturers of the Dojo, a security technology which builds a security net around the connected home. It scans home connected devices for unusual activity to ensure cybersecurity.

DOM focuses on three essential areas of expertise: hardware, software and mechatronics, developing the highest quality mechanical and access control solutions. The product spectrum ranges from practical security solutions for detached houses to modern electronic access control systems for large buildings.

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.

Dominance Guardian Services primarily focuses on several areas of the security industry, focusing on the crowd control and loss prevention side with clients across Melbourne and Peninsula areas.

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.

DOMOFERM essentially consists of the four production companies BOS (Emsdetten, DE), BBE (Brilon, DE), HSE (Humpolec, CZ) and Domoferm (Gänserndorf, AT) as well as the five sales companies in Russia, Poland, Hungary, Croatia and the Netherlands and is one of the leading European suppliers in the fields of steel doors, fire protection doors and frames.