Chubb is one of the UK's best‑known providers of fire safety and security solutions for businesses and organisations nationwide. Chubb's security solutions include CCTV, intruder alarm, access control technologies, and visitor management technologies. The fire safety range includes the most sophisticated detectors and alarms, through to fire extinguishers, fire suppression systems, and other essential products such as emergency lighting.

Chubb is a global leader in security and fire protection. Chubb provides security solutions including intruder, access control and CCTV systems, enhanced by rapid monitoring and response services. The company also provides panic attack alarms which are designed to provide reliable protection.

Chubbsafes solutions are well-known and appreciated for their unique combination of robustness, reliability and modern designs. They associate experience in security with technological innovation to create trustworthy products for maximum protection against burglary, fire and explosives. They are rigorously tested by international and independent accreditation bodies to guarantee the best protection available.

CID Fire and Security are the premier security installation, maintenance and repair company in the South West. They have been trading since 1988 and have grown from a small family-owned business. With their head office in Somerton, they are ideally located to cover Somerset, Devon, Dorset and the surrounding areas.

CIE Group is a Value Added Distributor specialising in high-quality intercom, access control and audio solutions. Partnering with brands such as 2N, Akuvox, InterM, Opus, CYP, and Zenitel, we deliver cutting-edge products tailored to every client’s needs. CIE has become one of the most vibrant and innovative professional Security & Audio Visual distributors in the UK.

CIE-Group are one of the UK's most innovative, independent distributors for IP access, door entry and audio visual equipment. They are the main UK supply partners for leading brands 2N, Akuvox & Axis, among many others and provide an end-to-end design-to-delivery service to installers and integrators.

Cielotec is a full-time security provider company. They install, service, and maintain all the installations professionally by their employees and never use subcontractors.

Ciena is the pioneer in high-speed connectivity. They build advanced networks to support exponential growth in bandwidth demand—empowering the customers, partners, and communities to thrive in the AI era. With unparalleled expertise and innovation, their networking systems, interconnects, automation software, and services revolutionize data transmission and network management.

Cinegration designs and installs custom smart homes for clients all around Colorado and Hawaii. By integrating lighting, security, climate control, audio/video, and more, we provide a smart home environment that is safer, greener, and more intuitive. They provide Home Automation, Consumer Electronics, Computer Networking, Custom Programming, Audio/ Video, Home Theatre, Smart Home, and Technology Solutions.

Cinemagic Entertainment offers a cost-effective security cameras installation service in entire New Jersey, specialising in the design and installation of custom home theatre systems, home automation installation, lighting control, wireless networks, telephone systems, and surveillance systems.

Cinos is a specialist security and audio visual systems integrator, providing reliable cost effective solutions and professional services to public and private sector clients in the UK and overseas.

CipherLab is a pioneer in the design, manufacture, and marketing of Automatic Identification and Data Capture/Collection products and systems. The company's mobile computers and scanners are integrated into the networks of some of the world's best-known logistics, retail, distribution, and healthcare companies, helping them run more efficiently and effectively both onsite and on the road.

CipherStash is an innovative cybersecurity company that specialises in searchable data encryption technologies, specifically encryption-in-use, for security and governance. CipherStash has some prominent AU backers, and is also a member of the Tech Council of Australia, the pioneering body guiding AU policymaking on data regulation.

Cipro Uganda Ltd is a Ugandan-based professional consulting firm focusing in a wide array of businesses such as logistics management, asset tracking, fleet management, business advisory, it procurement supply and installations and management services.

Circle UK Group delivers integrated risk management solutions to safeguard people, property, and assets.

Circumvent is a cloud security company with offices in Sydney, and San Francisco, focused on changing the way enterprises manage the security of their cloud infrastructure and applications. Rather than manually triaging individual alerts and assessing business context after the fact, Circumvent’s platform autonomously correlates and triages alerts, delivering accurate prioritisation and supervised remediation with one-click human verification.

Cirium is the industry pioneer in aviation analytics; helping the aviation industry understand the past, present and predicting what will happen tomorrow in air travel.

Citadel Co is a technology-driven company dedicated to delivering smart, secure, and connected solutions. They specialise in the installation, integration, maintenance, and repair of cutting-edge systems across four key areas: Security Systems, Home & Building Automation, Data & Communications, and Audio Visual Systems.​​ Whether it’s a new build, retrofit, or service upgrade, they deliver reliable solutions that work now and into the future.

Citrus is a company based in India that provides IoT solutions and cloud computing services for enterprises.

City Electrical Factors Ltd is a private limited company established in 1951. They are the United Kingdom’s leading Electrical Wholesale Network with almost twice as many distribution outlets as their nearest competitor.

CGS is a dynamic and professional FM company, specialising in customer focussed security provisions and cleaning specialists. Its security services range from bespoke security officer services, fire wardens and waking watch, mobile services, and its own K9 Patrol Dog Handling arm.

City Schutz GmbH offers a comprehensive range of security services in accordance with DIN 77200. The company is VdS-certified as a specialist installer of various alarm systems and as the operator of an emergency call center with an integrated intervention unit. Furthermore, City Schutz is prequalified to provide security services for DB AG construction projects.