Custom Consoles Ltd is an ISO 9001 certified manufacturer of project-specific and modular broadcast, process-control and security furniture. The product range includes motorised, manually-adjustable and fixed-height units plus fan-cooled sound-insulated equipment housings.

Custom Security Services is one of the South's leading independent providers of fire, security and safety systems. The company offers a comprehensive design, installation and maintenance service for all types of security related projects. With over 25 years experience the company has successfully delivered thousands of quality installations to all types of customers, including domestic, commercial, and public sector.

CY4OR is a global services firm providing extensive knowledge and expertise in digital forensics, edisclosure and information security.

Cyberhomes is a UK-based provider of smart home installations including CCTV and security applications.

Cyelcor Ltd offers solutions such as CCTV, Intruder Alarms, Security Smoke Systems, Fire Alarms, Access Control, Video Door Entry Systems, Smart Home Automation, Oil & Gas Telemetry, Systems, Automated Swimming Pool Dosing. The company also provides consultancy services for home and business owners.

Cygate is a Swedish IT company with strength and flexibility. They are part of Telia and on Sweden's largest network they can offer locally produced and tailored IT services with both breadth and edge to help realise ideas.

Cygnus SD specialises in providing quality CCTV – IP and analogue – , access control products and accessories to the UK security trade.

Cynon Valley Crime Reduction Services Limited is a non-for-profit social enterprise which is now in its 10th year of trading. It was set up to support the Charity side (Cynon Valley Crime Prevention Association) with sustainable funding, by providing security services across the country, these include fitting of security products like intruder alarm systems, CCTV, access control systems, UPVC locking systems, and key suiting/cutting services.

Cyphere are a UK-based security services provider serving across penetration testing and managed security. Their engagement is free from selling Fear, Uncertainty and Doubt (FUD) factor and do not include leveraging lack of awareness on the subject.

D & A Systems is an engineering company, providing electrical and specialist services to industry and commerce. The company offers electrical engineering services, high voltage construction and maintenance, electrical testing and inspection, quality power management, public address & voice alarm systems, CCTV & access control systems, and data network structured cabling.

D&D Security Derby offers fully licensed SIA-approved security guards that are ready to be deployed within hours upon acceptence. It provides approved contractor security services for major companies across the UK. Specialists in static guarding, it offers a cost-effective security service for the protection of UK businesses.

DA Security Systems are a family run CCTV, Fire and Alarm Business. It has been operatiing from Lee-on-the-Solent in Hampshire, UK since 1984. It has over 40yrs experience with the installation and maintenance of CCTV, Fire Alarm, Intruder Alarm, Door Entry and Nurse Call systems.

Dallmeier electronic UK is provider of professional video security technology and network-based IP video surveillance systems. It has been developing and manufacturing high-quality complete solutions for the CCTV/IP area.

Dalycom is a complete business communications and IT service provider based in Leicestershire, UK. The company’s services include cloud based IT and telephony services, broadband, calls, lines & mobile, CCTV, wireless networks and support.

Dangerfield specialise in global recruitment, M&A and management consultancy services. Dangerfield International has a wealth of experience in the security and defence sectors.

Dante provides project management services as well as commercial fire and security systems throughout the UK. The company has mechanical and construction divisions. Dante has achieved the quality standard ISO9001 and environmental standard ISO 14001. The company's specialisms include CCTV, door entry, intruder alarms, fire safety, and PA/VA.

Dantech Electronic Engineering is a UK manufacturer who has the capability to design, develop and produce products for the global security industry. For more than 40 years, the company has designed, developed and manufactured electronic equipment. This includes a large variety of electronic security products, including unique range of power supplies and ancillary equipment specifically engineered to service the global security industry.

Darfen is a manufacturer of perimeter fencing products as well as access control solutions.

Darktrace is a AI company which deals in cyber security, Intelligence and machine learning. The Enterprise Immune System uses machine learning and AI algorithms to detect and respond to cyber-threats across diverse digital environments, including cloud and virtualised networks, IoT and industrial control systems. Some of the products developed by the company include Darktrace Enterprise, Darktrace Industrial, Darktrace Cloud and Darktrace SaaS.

DAS Technology can design, install and maintain security systems for a wide range of uses from homes, shops and offices to shopping centres, schools and car parks. They provide bespoke security solution that meets your needs, and all completely hassle free. Their nationwide network of engineers is trained to the highest standard in order to install security systems with a professional, efficient and reliable service.

DAS Technology are technology specialists with over a decades experience delivering solutions for both commercial and domestic customers. Their security division is full of specialists in CCTV, access control, door entry and fire.

Data Integration is one of the UK’s leading networking, security and communication technology providers, serving more than 300 customers in the UK, spanning the private and public sectors. The company specialises in network security, mobility solutions and high performance networks that reduce cost, remove complexity and optimise performance.

Data Vision has been the largest distributor of vision components in the Benelux, with offices in the Netherlands and Belgium. Data Vision distinguishes itself by the large network it has built up over the years. This allows the company to tailor its work to the customer’s specifications and select the best partner for your project.