CSG UK PLC specialise in the installation, maintenance and support of security systems for companies and organisations throughout the UK and Europe. CSG UK supply and install comprehensive security systems for national chains and individual businesses in the form of: CCTV, Access Control, Public Address, Intruder Detection and EAS (Electronic Article Surveillance), Fire and Safes.

D.W. Price Security was established in 1998 by the current directors who each have more than 30 years experience within the physical security sector. They are the 3rd generation of the original family business, with roots based in the original glass and glazing industry with the first security installations carried out in the early 1970s.

David-Link targets the wholesale and OEM/ODM market supported by quality products with competitive prices direct from the manufacturer. Along with the advantages in prices and quality, David-Link also offers customisation of products and software that best meets individual business’ needs.

Delaney Hardware is a renowned provider of premium builder hardware for residential homes, multi-family buildings, and commercial projects. As part of the Sargent and Greenleaf (S&G) family of brands, Delaney offers a full portfolio of hardware including door hardware, digital locks, barn door hardware, bath accessories, commercial hardware, trim hardware, steel doors and frames.

Designed Security, Inc. (DSI), a Detex Company, has been making quality security products in the U.S.A. for more than 30 years. The company offers a full range of access management products to fit building aesthetics while meeting today’s most demanding security requirements. DSI has developed custom and standard state-of-the-art security and access control solutions for corporate, commercial, government and industrial markets.

Digi Electronic Lock has its history dated back to 1995 and has some 620 employees. The head office and factory is located in Guangzhou, South China. The company offers fingerprint & keypad lock, hotel lock as well as RF card lock.

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.

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.

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.

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.

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.

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 .

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.

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.

DTiQ is the world’s leading provider of intelligent video-based surveillance and loss prevention services for the hospitality, convenience store, and retail industries. DTiQ combines state-of-the-art surveillance equipment with advanced, cloud-based analytics and managed services.

Dugmore & Duncan is the premier door hardware and access technology solutions provider. The state-of-the-art operational systems, nationwide locations, skilled technical advisors, and alliance with Assa Abloy, The World's Leading Lock Group, enable to deliver a full spectrum of products and services. In business since 1897, Dugmore & Duncan has earned the reputation of a true industry leader.