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.

Direktronik AB delivers comprehensive data and networking communication solutions. The company covers everything from end nodes in the networks such as IP cameras, on through switches, routers, etc. Direktronik also supplies fibre, wireless, mobile products. The company offers CCTV and surveillance equipments such as bullet, dome, PTZ, box cameras as well as NVRs, video servers, lenses, etc.

Discount Locks offers quality locks and accessories from major brand products that cover all areas of your home and office including doors, windows, patio doors and garages.

Distology are an award-winning cloud security distributor bringing a wealth of experience, extensive knowledge, strong relationships with mutual trust and respect across a huge breadth of partners covering the UK, Ireland and Benelux.

Diversity offers sales and installation of all types of electrical, electronics, telecom, computer hardware & licensed software and other devices, peripherals, accessories, supplies/merchandise, electronic security & surveillance monitoring system & devices. The company also offers lodging/commercial/industrial electronic and mechanical door Locking and access control equipment, fire alarm monitoring system and devices.

DLI Systems L.L.C provides security system installations through an in-depth understanding of organisational security structure and vast experience in the design and installation of security systems. The product range includes biometric products, security cameras for surveillance, gate barrier systems, door locks, magnetic and electric locking systems for doors, intrusion detection systems, and fire alarms.

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-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.

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.

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.

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.

Double D Security Solutions LLC, sell, install, service and also replace a wide range of security-related products such as locks, deadbolts, panic hardware, architectural hardware, and commercial doors and frames. The company is based out of Rhode Island.

DSS is a trusted intercom and surveillance company specializing in repairs, upgrades, and maintenance of all types of intercom systems. Whether it's an old or modern setup, they have the expertise to restore full functionality quickly and efficiently. Their skilled technicians are experienced with a wide range of systems, ensuring reliable service every time.

DR Security are a company specialising in the import and distribution in Mexico of the most advanced security products.

Dragonfly Security Solutions is an innovative, one-stop-shop for high-quality security and communication products. Offering an unrivalled choice and an integrated approach, the company offers a complete range of specialised state-of-the-art products and systems for standard or customised applications and projects.

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.

DroneDefence is a UK based security company, it deals with drone detection primarily. DroneDefence provides valuable security services to the prisons, airports, stadiums, critical infrastructure, and corporate buildings. Along with drone detection, drone signal analysis, sky fence, fixed drone protection, portable drone jammer, and drone guardians are some of the other technologies provided by DroneDefence.

DRS Technologies is a leading supplier of integrated products and services to military forces, intelligence agencies, and commercial industry partners. DRS manufactures and supports advanced electro-optical sensor systems to include thermal surveillance systems, cooled and uncooled infrared camera modules, and thermal detectors. For more information visit www.drsinfrared.com or call 855.230.2372.

DSG Distributors is a distributor of IP and analogue surveillance, remote monitoring and automation systems. The company also offers A/V gear, CCTV racks, connectors, video servers and video walls for residential and commercial security.

DSIT Solutions Ltd. (DSIT) has, for the last three decades, developed and implemented comprehensive defence and protection solutions against various underwater threats, focusing on six main types of solutions: Underwater Domain Awareness, Underwater Security, Anti-Submarine Warfare (ASW) Systems for Surface Ships, Trainers, PAR & Acoustic Signal Analysis (ASA) Systems, and Underwater Communication Systems.