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 Group is the world's largest provider of switching power supplies and DC brushless fans, as well as major source for power management solutions, components, visual displays, industrial automation, building automation, building management and control systems, networking products, and renewable energy solutions. Delta Surveillance Automation System offers IP cameras, central monitoring system, NVRs, storage and cloud based backup system.

Delta Group is the world's largest provider of switching power supplies and DC brushless fans, as well as a major source for power management solutions, components, visual displays, industrial automation, networking products, and renewable energy solutions.

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.

Department for Energy Security and Net Zero (DESNZ) is focused on the energy portfolio from the former Department for Business, Energy and Industrial Strategy (BEIS), in the United Kingdom (UK) government.

Positioning the UK at the forefront of global scientific and technological advancement. Focusing on stronger growth, better jobs, and bold discoveries.

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.

DeterTech is an award-winning risk management company that uses proprietary technology-based solutions to deliver material cost savings for clients operating nationally in the infrastructure, construction, vacant property, and other sectors, across a range of security products and services.

Deutsche Telekom provides fixed-network/broadband, mobile communications, Internet, and IPTV products and services for consumers, and information and communication technology (ICT) solutions for business and corporate customers.

Developing Solutions is focused on protocol development, test, and traffic analysis. They have developed dsTest, a software platform for the rapid deployment of protocols stacks, intended for performance and functional test.

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.

DGS is managed and operated by this team who take a real hands on approach to all the operational aspects of each and every contract. DGS Service Solutions provide a range of outsourced Security, Cleaning and FM Solutions to a range of customers including shopping centres, offices, factories, and retail outlets.

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.

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.

Digital CCTV and electronics distributor and install professional security equipment for your home, office, or business such as digital video recorders (DVRs), remote monitoring systems, professional grade CCTV cameras, IP cameras, biometric time and attendance systems, proximity and smart card access control systems, magnetic locks, burglar and perimeter alarm panels and accessories, IP based control systems, and other electronic items.

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.

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.

Direct Trade Supplies supplies consumer units, CCTV, heating, timers, low energy LEDs, lighting, access control systems, fire protection systems & lots more from top manufacturers.

Divergence Group are industry leaders in electronic security consulting and project management, with extensive experience in both the public and private sectors.

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.