Dial-N-Document is web-based documentation system provider that interfaces with services for a secure Electronic Visit Verification (EVV) solution. Dial-N-Document provides accurate time & attendance, biometric voice verification, Near Field Communication technology etc.

Diamond has also operated in other countries around the world. They provide services to the resources, energy, government, transport, construction, exploration, industrial, infrastructure, maritime, education, property and defence sectors.

Diamond Security Systems (UK) Ltd is a specialist CCTV design, installation and maintenance company.

Dictograph is a 20-years old locally owned and operated security company providing a wide range of services for their clients. With 24/7 Dispatch, Dictograph's Professional trained Guards and Patrol service can respond to any need at any time in the Tucson and surrounding areas.

Digi-Key Corporation is one of the fastest growing distributors of electronic components in the world. The company has been committed to offering the broadest selection of in-stock electronic components including access control systems, as well as providing the best service possible to its customers, aiding engineers through the entire design process, from Prototype to Production.

DigiBird manufactures an extensive line of Video Wall Controllers and Digital Matrixes. They meet the demands of commercial and high-end residential markets with their specialisation in ProAV Solutions, Digital Signage Solutions, Video Wall Solutions, Video Wall Controller, Hybrid Matrix Switchers, Edge Blender, Seamless LCD, Control/Command Room Solutions, and Creative video wall.

DigiCert is a global provider of high-assurance digital certificates. The company simplifies SSL/TLS and PKI, and provide identity, authentication, and encryption solutions for the web and the Internet of Things. DigiCert specialises in providing solutions required dealing with threats and securing identities across a network.

DigiFlight accelerates mission success for its government and commercial customers by leveraging innovative ideas and technologies that embrace the competitive landscape surrounding Cybersecurity, Information Technology, Aerospace, and Training.

Digital Fire and Security Services (DFS Services) is an Indian start-up working closely with DFS UK and AJAX Ukraine. They are focused on technology sharing, R&D, product design, solution development, and CMS support in the security segment. They offer robust, reliable, monitored, and fully connected security service at a fair price, with the most advanced security technologies from across the globe.

Digital Harmonic is a pioneer in the space of image and signal processing. Leveraging its proprietary and patented technologies, Digital Harmonic provides advanced analytics of images and signals yielding unprecedented insights that drive time-sensitive and critical decisions for its customers in the Defense, Intelligence Community, and Healthcare sectors.

Headquartered in Frisco Texas, Digital Horizon Solutions (DHS) is a wholly owned subsidiary of Keri Systems Inc., one of North America's largest and best known independent providers of access control and integrated security systems. With over 30 years industry experience, the DHS team has developed Enterprise solutions for airports, military installations, government facilities, universities, schools, hospitals and fortune 500 companies.

Digital ID specialises in all things ID and have stock from some of the biggest names in the industry. Digital ID is one of the leading providers of ID card printers from an array of respected manufacturers, including Magicard, Datacard, Evolis, Zebra and more. The company offers access control and smart cards, ID card and visitor systems, printable and printed ID cards, software, as well as accessories.

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.

Digital Monitoring Products, Inc. is a family-owned manufacturer of electronic burglar/fire/access products. Since 1975, the company has designed, built, distributed & supported the products from headquarters in Springfield, MO. DMP offers intrusion control panels, wireless, network and cellular communications, access control, central station fire alarm control panels, DOD SCIF or high security IDS systems, intrusion systems and more.

Digital Protection Services, Inc. is a fire protection security systems provider in the USA. The company offers surveillance systems, fire alarms, security monitoring systems, access control and home automation etc. Digital Protection Services has been an authorised AES Dealer since 2012 offering installation and service.

Digital Supply International is a worldwide distributor of access, photo id and security products. DSI supplies a wide variety of quality ID, access, and security products from the top brands including Datacard, ExchangeIT, Fargo, HID, Magicard, Nisca, and others.

Digital Systems was founded in 1985 by a group of diversified, experienced, techno-commercial experts of electronics and electrical fields. Its focus is basically on fulfilling the customers’ security objectives, and its solutions.

Digital Technology Supercluster is a cross-industry collaboration of diverse organisations, including some of Canada’s biggest names in healthcare, communications, natural resources, technology, and transportation.We are a proud member of a national network of five business-led innovation superclusters that is energising the economy by fostering new partnerships.

As Windsor's premier cybersecurity firm, DigitalSecurity1 specializes in comprehensive penetration testing, advanced surveillance solutions, and secure software development. They combine offensive security expertise with defensive strategies to provide unparalleled protection for their digital assets.

Through their 24/7 Security Operations Centre, DigitalXRAID delivers cyber security strategies to organisations that enhance the security posture and reduce the risk, cost, and reputational damage of a breach.

DigiTrans is an artificial intelligence partner for companies active in logistics. They help clients to reduce manual tasks and increase their productivity, enabling them to focus on their job.

With over 20 years of experience in providing turnkey security solutions for government, industrial, commercial and high-end residential clients, Digitronics Inc. provides project completion with quality control while reducing manpower requirements and aggregate project costs for clients. Being a UTC Fire & Security Security authorised Channel Partner, Digitronics has access to products, specialised training, and the support of UTC.

Digitus understands the importance of being proactive when it comes to securing the data centers and critical IT assets. Their goal is to provide the most comprehensive Data Center access control solutions, empowering the customers to meet necessary Government and Industry compliance standards.

Dignari, LLC was founded with one primary goal - distinguish our clients by supporting them through the successful delivery of mission critical security programs. They strive every day to ensure their clients are known for delivering model programmes within their mission space.

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.

At Diligent, they believe in a world where transformational leaders can build more successful, equitable and sustainable organizations. One million users and more than 700,000 board members and leaders rely on Diligent software to connect insights across governance, risk, compliance and audit to drive greater impact and lead with purpose.