DAVANTIS Technologies was founded in 2005 and the company’s focus on video analytics program writing and software development makes it unique in video security.

Day Automation Systems is the USA based security solutions provider. The company provides video surveillance, IP-based video surveillance systems, license plate recognition, advanced video analytics, access control, intrusion detection, HVAC solutions and utility metering to premier school districts, colleges, universities, and corporations.

DCI was started by a group of young entrepreneurs with an objective of providing electronic security systems / products at best price and support. At present, they are engaged in the field of security surveillance systems, security control systems, access and attendance recording systems, fire safety alarm systems, CCTV and home appliances & healthcare products.

DC Solutions is a CCTV installer based in Luton.

DEA Security designs, develops and manufactures state-of-the-art perimeter intrusion detection systems. DEA products, which are patented at an International level, are employed in protecting military and government sites, airports and seaports, industrial and petrochemical compounds, water and electricity utilities, nuclear facilities and villas for VIPs.

Dedrone GmbH develops drone detection technology. Based in Germany, the company's DroneTracker guards against spying, smuggling, potential terrorist attacks and invasions of personal privacy. Dedrone GmbH spreads on 3 continents with a common goal: to make the airspace safer.

Deedoc Consulting offers an array of security consulting services, such as auditing and vulnerability assessment. DeeDoc’s security training programs help ICT professionals gain vital skills and expertise that can be used to immediately safeguard against security threats in their different environment.

With a team of specialist communication and security engineers working throughout the Country, Deldata Computers can provide your business with a surveillance maintenance service plan that best suits your business needs and requirements.

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.

Delta One Security has built a reputation on helping customers meet their security goals through ingenuity and service. They serve homeowners, and all types of businesses throughout South Africa.

Delta Tec Alarms delivers high-quality alarm systems and reliable alarms to customers. The company advises customers on the products that best serve their security needs.

Denning Electronics has solved big communications, protection, and surveillance problems by providing sales and technical support to distributors, security system integrators, engineering design firms, architects, and system users. Their specialties include outdoor intrusion detection, video and audio surveillance, video/audio/data networks and transmission, access control, and ballistic/blast/chemical/acoustic barriers.

Detec AS was established in 1981 in Oslo, Norway. The company develops & promotes products for video surveillance. The company delivers both software and hardware, and continuously develops digital video-detection products to suit the needs of the future. With help of partners and dealers, Detec delivers comprehensive surveillance packages, covering assessment of customers' needs, installation, testing for detection, after sales support & more.

Device Smart Ltd. have been developing Monitoring and Control Software & Middleware Platforms for over 15 years before cloud, before IOT, before "smart anything" was a buzz word.

Device4u's vision is dedicated towards designing, researching & developing high-quality, value-added system-engineered solutions to OEM companies as well as to the end user markets. To this end, the company is fully committed to seeing these five key technology areas through to commercialisation : video transmission and security, power efficiency and management, green mobility, RF solutions and embedded systems.

Devo is the only cloud-native logging and security analytics platform that releases the full potential of your data to empower bold, confident action. With an unrivaled scale to collect all of your data without compromise, speed to give immediate access and answers, and clarity to focus on the signals that matter most, Devo is an ally in protecting an organisation today and tomorrow.

DG Concept was founded in 2021. Specialising in the design and implementation of physical barrier projects, DG Concept Gunnebo Partner supports the installation of security equipment linked to access control systems by proposing the right products.

CCTV Surveillance, biometric Time-Attendance & access control,PA Solution,VDPs and MVDPs,intruder & burglar alarms, home & gate automation, fire alarm, VoIP solution,FTTH,perimeter mapping,wireless networking,metal detectors,financial solution & structure networking,gateway,UTM,load balance,AAA authentication gateway,PTP connectivity, PTM connectivity,genuine software & licensing(OEM /MOLP,Server &Client solution, Educational ERP etc.

Didactum® Security GmbH offers intelligent monitoring solutions for the Environmental and IT Monitoring. The field-proven monitoring hardware is used in many businesses and institutions. Through video surveillance and access control systems the access to sensitive facilities and rooms can be centrally monitored and controlled.

Diehl Aviation is a global supplier of avionics and cabin integration equipment. The company also provides equipment for galleys, lavatories and monuments, sanitary solutions for aircraft, fire prevention, water supply and air-conditioning. Diehl has supplied products for a wide range of companies from Airbus and Boeing, to Bombardier, Embraer and Gulfstream.

Digi Security Systems is a division of RAE Corporation based in Oklahoma. Digi designs, builds and installs custom Video Surveillance, Electronic Access Control, Intrusion Detection, Burglar & Fire solutions