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.

CIAS is a wholly Italian company and has been operating in the security market since 1974, in the field of research, development and manufacture of security equipment and perimeter protection systems. CIAS products are currently used to protect the perimeter of nuclear power plants, high-security prisons, military and civil airports, banks, large factories, but are also used for the protection of detached houses, apartments and shopping malls.

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

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.

Ciqurix designs, develops and manufactures revolutionary new safety solutions and technology, including the groundbreaking FCam series. The FCam series is a range of fire detecting IP CCTV cameras which can detect multiple semi concealed fires, outdoors, indoors, day or night, typically in under 10 seconds. They can also recognise the difference between a real fire and a video of a fire.

CIS Security initially operated as a security management and commercial investigation specialist. In 1972, the company joined the manned guarding industry when customers found it difficult to find a suitable security company to provide professional security personnel with the ability to fulfil the recommendations/positions proposed by their experts.

CITEL was the technical innovation and functional tread in the field of managed physical security, with solutions that are now established and consolidated in the Italian market of high and mid-range. They are the first company to create a client supervision architecture entirely on Linux-based servers (1995) and the first to achieve a centralised supervision system based on WAN TCP-IP (2000).

Citilog is a privately held company with 30 employees, headquartered in Paris, France and with offices in the USA, Hong Kong and Spain. The company is a provider of intelligent real-time video monitoring for traffic and transportation security and safety. Its automatic incident detection systems provide a safer environment in hundreds of tunnels and bridges around the world.

City Lock and Safe Ltd was founded in 1957, and has established itself as one of the North West's leading locksmiths and suppliers of security products. City Lock and Safe Ltd., provide a wide range of security equipment and services to secure all types of properties including residential homes and businesses from commercial and industrial to metropolitan & county councils, NHS trusts, police authorities and blue chip companies.

City Security Services provides a customer focused professional security service in London and the Home Counties. Their proactive approach ensures that you receive a bespoke personal service which is specifically tailored to meet every aspect of your corporate security requirements.

CityFibre builds transformational fibre optic infrastructure for the UK. CityFibre is thelargest provider of fibre infrastructure to the UK’s second tier citie

The Civil Nuclear Constabulary (CNC) is an armed police force, keeping the nation safe from harm by securing the integrity of civil nuclear material. The CNC's primary function is the protection of licenced nuclear sites. The civil nuclear industry includes nuclear research and provides nuclear energy to millions of people. The CNC provides security structure which defends the nation.

CLA is a professional services consultancy that provides high level advice and support to a wide range of government, corporate and private clients. Founded in 2005, CLA comprises a core team of professionals highly experienced in delivering infrastructure, physical. personal and reputation security supported by an international network of specialist consultants and partner organisations

Clarion Security Systems Ltd is a security company in Manchester and are dedicated to the design, installation, service and maintenance of CCTV, Access Control, Intruder Alarms, Intercom, Visitor Management and Integrated Security Systems for commercial enterprises.

Classwatch supplies mobile video systems and fixed video systems for the UK education sector. Classwatch is an audiovisual recording system that allows teachers and students to learn from and share their classroom activities.

CLD is the UK’s leading manufacturer of welded steel rigid wire mesh fencing. The company's product portfolio includes steel security fencing, sports fencing and access solutions.

Clearway are the UK's experts in the security of vacant commercial and residential properties with a full range of security solutions to suit every requirement. With security teams located throughout the country, Clearway offer a same day and nationwide service when required. The services include vacant property security such as keyless security doors, monitored alarm systems, temporary CCTV systems, security guards, property guardians, etc.

CIU is a Taiwan based electronics engineering company, specialising in providing high-end electronic communication and investigation equipment, for the security community around the world. Their team has more than 20 years of experience in producing security and counter-surveillance equipment for critical missions and applications and can provide the most professional solutions for each client.

Climax Deutschland GmbH develops and produces market security systems for the tele-care, security and home automation branch.

Clockwork Security Limited offer a fully tailored security service for building and construction companies (static guards and mobile guard patrols), office businesses (key holding, alarm response), pubs and clubs (door stewards security), individuals (close protection) as well as anyone looking for one of event staff for football, races, functions and corporate hospitality.

CloudBlue is a SaaS company helping businesses transform themselves, whatever their position in the supply chain. Its managed marketplace platform takes the complexity out of distributing subscription-based solutions in the everything-as-a-service world. CloudBlue technology does the heavy lifting for all processes that make everything-as-a-service commerce a reality.

CloudFabriQ develops powerful new cloud data centre management and automation tools for enterprises and data centre operators. They build on popular data centre operations tools to allow customers to manage and automate large scale data centres to flexibly achieve their business objectives.

Cloudview is a video surveillance system and service which enables the capture, storage and management of visual data using the Cloud. It securely consolidates visual data from any number of CCTV systems into a unified, encrypted account held on secure Cloud servers - immediately accessible anywhere via a Chrome browser.

Cloudview offers the world’s first corporate-grade surveillance solution, designed to deliver the benefits of IP and cloud-based technology, without the associated costs or complexity. By connecting cameras through a simple plug-and-play visual network adapter (VNA) to the Cloudview visual network system (VNS), the Cloudview approach minimises the up-front investment traditionally associated with surveillance installations.

Clymac Ltd is the UK’s independent fire and security system installer. The company offers fire systems, CCTV, intruder alarm, voice alarm, PA systems, sensors, power supplies, access control systems etc. to hotels, government, offices, retail, educational, hospitals, and residential etc.

CNPP supports customers with a comprehensive, diversified range of products & services in risk prevention & management in the fields of fire & explosion safety, security & malicious acts, environmental issues, & occupational risks. Their site provides a combination of laboratories, training facilities as huge exercise & testing areas where their expert team develops cross-cutting responses in terms of security, risk prevention & control.