D-Fence Electronic Fencing and Security Systems Ltd. is an Israeli "Security-by-Technology" company that designs, develops and manufactures the most advanced Perimeter Intrusion Detection Systems (PIDS), based on an exclusive Strain Gauge Sensor technology. This proprietary technology allows us to offer highly aesthetic PIDS based on the “Open-Design” concept, and most importantly, that work with Zero False Alarms.

Dangerfield specialise in global recruitment, M&A and management consultancy services. Dangerfield International has a wealth of experience in the security and defence sectors.

DAS Technology can design, install and maintain security systems for a wide range of uses from homes, shops and offices to shopping centres, schools and car parks. They provide bespoke security solution that meets your needs, and all completely hassle free. Their nationwide network of engineers is trained to the highest standard in order to install security systems with a professional, efficient and reliable service.

Data Intellect provides solutions to complex data problems in demanding environments for world-pioneering organisations. Put simply - Data Intellect turns big data problems into smart data solutions. It’s about human intellect, collaboration and providing solutions for the most complex of challenges.

Data Performance Consultancy Ltd. are Smart City specialists advising both local and central government on the development of smart cities for social impact. They are building a technology stack that looks to connect social innovation and develop the SME supply chains and in doing so create inclusive economic growth.

Databac installs new HP Indigo 5000 series digital printing line to enable personalization of cards on demand. They manufacture and supply cards in a variety of sizes and materials depending on the needs. These can incorporate a variety of reading technologies such as: Magnetic stripe (HiCo/LoCo/Watermark Magnetics®) Contact chip – such as SLE5542, SmartCafe,ID Prime; GemClub Memo RFID – all types Barcode (2D,QR and Infrared)

De La Rue works with governments, central banks and commercial organisations around the globe in producing banknotes, product authentication fighting illicit trade and counterfeiting and in the supply of key security components to the identity industry.

With more than 100,000 professionals, Deloitte provides audit and assurance, tax, consulting, and risk and financial advisory services to a broad cross-section of the largest corporations and governmental agencies.

Detectnology provides a high standard of service to support crime prevention and detection across many industries and sectors.

Device Authority is a provider of Identity and Access Management (IAM) for the Internet of Things (IoT) and Blockchain. The Company also provides solutions such as data security, network access control, credential management and much more. Device Authority manufactures innovative smart, connected devices with robust security integrated from the outset.

DFR Risk Management provides consultancy services specialising in ATM fraud and security risk management. The company offers extremely comprehensive training packages tailored to the training objectives of clients. The core services offered by DFR Risk Management includes incident response, risk assessment, new product assessment, ATM business continuity management, etc.

Specialist consulting services company with specific experience of international markets and technology projects. Established in 2004 and drawing on more than 25 years of expertise in international business development, Digital Grape provides ‘experienced based’ management advice and guidance to assist managers of both large and small organisations, to develop international market entry strategies into homeland security, transport & CCTV projects

Digital Grape Business Services is a specialist consulting services company with specific experience of international markets and technology projects. It is experienced in a wide range of technology markets involved with CCTV. The company's international business development support services provide resources for companies seeking to expand operations through international channel development as well as search services for M&A projects.

Digital Locksmiths Limited was founded by two former members of Smart Card Solutions: Sean Kelly & Martin Strauch. The Digital Locksmiths offer an unrivalled, independent capabiltity to help our clients provide the highly reliable, feature rich and cost effective products that customers demand.

Diligence BSB Forensic is one of the UK's leading independent Forensic service providers to the Police, Legal Profession, Corporate and Fraud Investigators. BSB assesses clients' CCTV systems or assists in purchasing decision or tender review, reporting in terms of systems ability to provide forensic material to be used in evidence. BSB Forensic offers a range of training courses covering forensic audio, video, document or fingerprint evidence.

Dimension Productions Limited is a UK manufacturer of the handySet portable colour, battery powered test monitor, including the new HandySet technical portable test monitor. DPL is a design consultant for closed circuit television CCTV systems, project managers, technical writers for CCTV installations and programmers of bespoke software for the CCTV industry.

DominateRFID is headquartered in the United States with additional sales & support facility in Dubai, UAE. Dominate-RFID jewelry tracking solutions is a web based application with no limitations on its configuration capabilities. The company offers solutions for warehouse/logistics, banking, government, healthcare, education, automotive, hospitality, oil & gas and aviation sectors.

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.