Dimension Productions Limited is a UK manufacturer of the handySet portable colour, battery powered test monitor, including the new HandySet technical portable test monitor. DPL is a design consultant for closed circuit television CCTV systems, project managers, technical writers for CCTV installations and programmers of bespoke software for the CCTV industry.

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.

Drone Major is a globally renowned drone and counter drone advisory service enabling clients to navigate the expanding applications of drone technology. Drone Major serves to advise on what is possible, where to acquire it, and how to integrate it safely and effectively.

Drumgrange Ltd is an independent defence contractor specialising in the development, integration and through-life support of military systems with a particular focus in the areas of Underwater Systems, Communications and Information Systems, VLF Communications, Navigation and Precise Timing Systems, Boat Systems Integration, Training and Simulation, Security Systems and RF Products.

DVV Solutions is a provider in the design, implementation and management of Third Party Risk Management (TPRM) and IT Security services. They have a proven model for Third-Party risk reduction and mitigation. Their suite of consultative and managed services improve the ability to manage increasing numbers and complexity of outsourced supplier risk backed by leading risk intelligence and automation platforms.

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.

Ecliptic Dynamics is a technology company with a focus on digital infrastructure, assisting people and organisations to access web services securely and privately. Ecliptic Dynamics’ products and services are designed to isolate the most vulnerable aspects of your online activity. Protecting client’s online identity and activity with minimal intrusion on user experience, Ecliptic Dynamics manages digital infrastructure.

ECS is one of the UK’s leading IT services providers for enterprise clients. They deliver a full range of services, from cyber-security to DevOps. The company's robust security services enable businesses to accelerate digital transformation with managed risk and security protection.

Element delivers a comprehensive range of testing, inspection and certification services to the global aerospace, transportation, fire, oil & gas and infrastructure sectors. Element exists to help make certain that the materials and products they test, inspect and certify for the customers are safe, quality compliant and fit for purpose.

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.

Elliptic empowers financial institutions and crypto businesses to confidently manage risk and meet AML regulatory compliance worldwide.

Emergency Response recognises that its work may have a direct or indirect effect on the local, regional and global environment. It is committed to reducing any harmful effects on the environment and promoting the understanding of sustainability in its broadest context, wherever possible.

Entourage Security is an established and trusted name in London and the UK. Their clients range from private individuals to large organisations and brands. The company provides a range of supportive services including investigations, assessments, project management and staff training.

Equinox is a UK based privately owned security service provider, providing manned security service complemented by support services such as mobile and key holding services, remote monitoring, electronic solutions, security consultancy & investigative support. Equinox's clients include leading manufacturers, retailers, corporate organisations, event companies, shopping centre and retail / leisure park outlets and, Public Sector organisations.

Electronic Security Consultancy UK are based in Colchester, Essex and are ideally located to cover London and the South East. It provides expert advice on all aspects of electronic security to commercial clients from the public and private sector. Services include simple quote analysing, full system design and risk assessment, preparation of documents for tender, management of the tender process and full project management of the installation.

everis is a multinational consulting firm providing business and strategy solutions, application development, maintenance, and outsourcing services.

Evolution Fire & Safety offers end-to-end security solution to ensure compliancy with an organisation, be it small or large. Their consultants design solutions tailored specifically to the needs of a business in order to ensure optimum safety and security.