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.

DESIGNA manufactures software-controlled car park management systems while also integrating automatic number plate recognition into its security solutions. the company offers consulting, planning, installation and support services in addition to conducting training programmes.

Designed Security, Inc. (DSI), a Detex Company, has been making quality security products in the U.S.A. for more than 30 years. The company offers a full range of access management products to fit building aesthetics while meeting today’s most demanding security requirements. DSI has developed custom and standard state-of-the-art security and access control solutions for corporate, commercial, government and industrial markets.

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.

DFB Security is a leading Security Consultancy provider of security, investigation, training, operational and expert witness services. It provides bespoke security and investigation solutions to public sector, retailers, solicitors, private Businesses as well as charities and voluntary organisations across Ireland.

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.

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 Surveillance Solutions is committed to leading edge network-based technology and delivers quality, intelligent and cost effective solutions. The services DSS provides include consultation, systems integration, and support services. The company offers products such as cameras and accessories, video encoders, video capture head end, networking, IP video storage, and access control systems.

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.

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.

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

Diversified is a full-service systems and media technology integration company, originally addressing the technical needs of the broadcast, audio-visual, IT and RF market segments. The company is also a technology solutions provider of innovative digital media, collaborative broadcasting, electronic security, and OTT solutions to a wide array of markets including financial, media & entertainment, enterprise, energy, technology and healthcare.

Division 28 Consulting, LLC is an independent security consulting and design firm. The company keeps up with the latest security consulting technologies to suit their client's needs. Their name, Division 28 Consulting, LLC is based on the security related systems contained within the CSI security section Division 28. However they do not design Fire Alarm systems.

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.

Domo transforms business by putting data to work for everyone. Domo’s low-code data app platform goes beyond traditional business intelligence and analytics to enable anyone to create data apps to power any action in their business, right where work gets done.

Donahoe advisory group provides services such as security risk management, threat modelling, attack and penetration, security cost reduction strategy, security strategy development and review, and threat intelligence.

DPOrganizer is a privacy management software - a powerful Software-as-a-Service - with a focus on ease-of-use, simplicity and flexibility. They help businesses and organisations map, visualise and report on personal data processing.

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.