dhf is a not-for-profit trade association for companies associated with Locks & Building Hardware; Doorsets; Industrial Doors & Shutters; Domestic Garage Doors and Automated Gates.

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.

DoorBird IP Video door stations are the pioneer when it comes to innovative technology and design. Because of its specially developed encoding, packaging, and transport technology, only 450 KBit/sec are needed for excellent audio and video quality. DoorBird works reliably even if a smart device has only a moderate internet connection.

Doorport provides modular advance system which allows residents, managers and visitors to unlock a building entrance using only their smartphone. With their simple smart access solution, residents can seamlessly enter their own home, invite guests, grant access to recurring visitors, and manage deliveries all from their mobile device.

Dopoint is one of leading supplier for totally display solution including TFT LCD Panel distribution. The company is franchise of LP-Philips,Samsung,Optrex,Mitsubishi,Sharp TFT LCD Panel with Strong R&D and Marketing of VHD LCDs .

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 Americas is a leading global manufacturer of premium access solutions that enable better buildings. DORMA has earned a widespread reputation for products and services that provide security, safety and convenience around the door.

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.

Dortronics is a manufacture of electric locking hardware and controls for the security, hardware, and door control industries.

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.

Since 1998, the Dotworkz has been known for producing "professional grade" outdoor extreme climate camera protection solutions, "software ready" NVR machines of all sizes and even hosted services. For over 13 years, Dotworkz has been designing outdoor products to work with all the industry's leading brands of cameras, software, wireless, fiber links.

Dr. Frucht Systems Ltd provides most advanced Laser Radars security solutions by using Virtual Fencing & Tracking to provide comprehensive integrated solutions to any specific requirement, based on state of the art technologies.

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.

Draganfly Inc. is an industry pioneer in drone solutions, software, and AI systems. For more than 20 years, Draganfly has shaped the unmanned systems landscape with innovations in emergency response, public safety, agriculture, and defence. Its drones are manufactured in North America and trusted by agencies worldwide for high-stakes operations.

Established in 2003, DragonEye CCTV Ltd has become a leading manufacturer of CCTV lenses, security cameras, and standalone DVRs. DragonEye CCTV offers a full line of CCTV products, including CCTV lenses, surveillance cameras, DVRs, CCTV accessories, and camera housings.

Dragonfly Aerospace is an industry leader in world-class, high-performance imaging satellites and payloads. Their turnkey solutions get these strategic assets operational on orbit with the minimum time, cost, and risk. Their imaging solutions enable our customers to create persistent views of the Earth in a wide range of spectrums for unprecedented business intelligence that helps improve the lives of people around the world.

Dragos provides industrial asset identification, threat detection, and response to help organisations stay ahead of adversaries. The Dragos platform delivers codified industrial cybersecurity expertise that enables security teams to detect and respond faster to industrial cybersecurity threats, reducing dwell time and downtime.

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.

Drata is the world’s most advanced security and compliance automation platform with the mission to help companies earn and keep the trust of their users, customers, partners, and prospects.

Dremio is the open and easy data lakehouse, providing self-service SQL analytics, data warehouse performance and functionality, and data lake flexibility across all of your data. Hundreds of organizations, including 3 of the Fortune 5, use Dremio to deliver mission-critical BI on the data lake.

Drive System Design (DSD) specializes in the rapid engineering and development of sustainable electrified propulsion systems and associated technologies through decades of experience, turnkey capabilities and unmatched expertise that customers trust. Its award-winning and recognised engineering team works directly and collaboratively with automotive, commercial vehicle, off-highway, aerospace and defence OEMs.