The Defence Industry Security Association (DISA) grew from the need to have a corporate body able to advise, guide and comment on security matters for organisations working with Her Majesty’s Government, the Ministry of Defence and their subcontractors. The membership is drawn from individuals responsible for advising management on the implications and contractual obligations required by contracts.

Defendify's all-in-one cybersecurity platform is well suited for small businesses. The company helps small and mid-size organisations navigate the cybersecurity landscape. Defendify's policies, procedures and plans defend organisations against the increasing number of cyber threats by creating employee awareness and providing institutional knowledge.

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.

DHS Systems Int'l Ltd, with its business title of DHS Systems International, is the rebranded name of MilSys (UK) Ltd. This title better reflects that role of the company, which is to provide DRASH mobile infrastructure capabilities and solutions for defence, security and crisis relief organisations worldwide. DHS Systems Int'l Ltd remains a subsidiary of DHS Technologies LLC, which is based in Orangeburg, New York.

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.

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.

DirectDefense offers leading security services that are unmatched within the industry. Their core strength is the deep experience in performing assessments for a wide array of networks, platforms, and applications. With the extensive experience, their core service offerings have been aligned to address the client needs by covering many of the important security domains within the information security workspace.

Dynamic Worldwide Training Consultants provide high-quality training solutions that provide great value, relevant content, quality materials, and goal-oriented education. They provide crucial training modules for industry pioneer security companies.

The history of Eagle i Security Services traced back to 1983 when it was known as WestPoint Protective Security & Investigation, providing unarmed security manpower as well as K9 dog services. In 2008, WestPoint Protective Security & Investigation was rebranded to Eagle i Security Services.

Ecebs is a smart technology company with an enviable pedigree in delivering world-class solutions across a broad range of markets, including transport, local government, payment and many more. Ecebs provides the software that resides on the cards, terminals and back office systems for many of today's solutions.

Egress Software Technologies is the provider of privacy and risk management services designed to manage and protect unstructured data. The Egress platform leverages machine learning led policy management, encryption and discovery to enable end-users to share and collaborate securely, while reducing the risk of loss and maintaining compliance.

Established in 2001, Eligo Security is a specialist recruitment company that fulfills security recruitment needs. The company helps find engineering, sales, technical support, marketing, R&D, design, project management, admin and senior management.

Elite Investigations provides investigative, security, protection and consulting services across the US and globally. They provide their clients with a broad range of security services which includes uniformed security guard and patrol services, fire safety officers, and special event officers.

Elite is a security and monitoring company based in LA that offers 100% Interactive Remote Guarding, Security Management and other services using security surveillance systems based Digital Guards, Video Management and other Security Systems at your facility, controlled remotely by highly Trained Agents in the Security Operations Command Center.

Enterprise Management Associates (EMA) is an analyst and consulting firm that specialises in providing deep insight across the full spectrum of IT and data management technologies. EMA delivers research, analysis, and consulting services to enterprise IT professionals and IT and data management vendors. The company applies IT and data management technology to solve business problems.

Enclave Security provides integrated security services to multi-national organisations and other corporates to efficiently secure and defend their information and technology assets. The company provides the right tools and solutions to enable organisations to safeguard their information systems. They also provide other services like formal risk assessments, standards-based assessments and technical penetration test.

EqualAI® is a nonprofit organisation, and a movement, focused on reducing unconscious bias in the development and use of artificial intelligence.

Equip Global is the global provider of business intelligence through conferences and trainings to the world’s leading businesses, governments and institutions. They put together conferences and trainings which address clients’ problems that no one else can. Equip Global provides industry conferences, in-house and corporate trainings across all types of industries including: Oil & Gas, Construction, Energy & Utilities, Pharmaceutical etc.

Ex-Servicemen's Multipurpose Services (ESMS) is one of India's leading manned and automated security solutions providers. Established by ex servicemen for ex-servicemen, the company has grown to employ over 4000 guards and security specialists, retaining the dedication, skill and commitment of the of the armed forces.

Esoteric is a specialist Technical Surveillance Countermeasures (TSCM), bug sweeping & covert surveillance company working discreetly with corporations, government departments and high-worth individuals globally, to safeguard private information and conversations from illicit eavesdropping devices and bugs.

ETA International represents the electronics industry, from the technician and educator to the corporate institution. ETA International members are professionals in many different technical fields such as Fibre Optics, Smart Home, Renewable Energy, Customer Service, Biomedical, Information Technology, Wireless Communications, and Industrial Electronics. ETA is accredited by the International Certification Accreditation Council (ICAC).

Evidence Talks provides expert digital forensic systems and advice to law enforcement, security services, and corporate around the world. The company is dedicated to fight cyber crime and has built a team of security cleared forensic analysts, trainers, digital artists, and software developers to create a suite of innovative forensic technologies, training and tools, together with output of CGI movies and associated graphics.