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

The UK’s City Alarms specialises in the repair of old security systems. The company also offers intruder alarms, CCTV systems, access control, fire detection systems, door entry systems and locksmith services.

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 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 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.

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.

City Smart Systems is known for the best, specialized and uniquely developed electronic and physical home automation and security systems solutions including access control systems and management systems, phone entry and intercom systems, alarm systems, security cameras, video surveillance (CCTV) systems, Structured Cabling Services,

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

CitySync was formed in the late 1990s specifically to develop innovative technology solutions in the field ANPR / LPR. CitySync automatic number plate recognition (ANPR) family is a part of ISS’ industry leading computer-enabled detection (CED) products.

Dubai based, Citytec LLC is recognised as the market leader for Security Systems, including access control, CCTV, security alarms, security & fire monitoring, automatic barriers & gates, biometrics systems, perimeter protection, patrol tours, intercom systems, fire & safety systems, etc. Working as an integrated security solutions provider, Citytec offers solutions for residential, retail, commercial, industrial, government & other markets.

CIVIC Security supplies, installs and maintains a complete range of security, communications and electrical services. The UK based company provides CCTV, access control, fire alarms and intruder alarms to residential, commercial and industrial sectors, including local authority housing, housing associations and government departments.

Civic Technologies allows people to control the use of their identity information by providing a secure identity platform. The company uses blockchain identity verification technology to secure and protect personal information transfer.

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.

CiVinTec Global Co., Limited is specialised in R&D, production and marketing of RFID/smart card readers, access control and time attendance system in 13.56MHz, 125 KHz and Biometrics.

CK System specialises in CCTV cameras. The company has supplied worldwide markets with various CCTV products that have high performance, integrated functions and low cost. CK System obtained ISO 9001 to meet global standard. The company offers HD-SDI and IP box, indoor and outdoor domes, outdoor eyeball cameras, bullet cameras, etc. The typical design, durability, competitive price are the core of CK System.

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

Clantect delivers products and services capable of solving and overcoming major challenges and threats in the security, defence and maritime industries, in the UK and throughout Europe. Their motion detection systems is a key component in the prevention of the illegal cross-border entry of people, by detecting hidden human presence in heavy goods vehicles.

Claranet are experts in modernising and running critical applications and infrastructure. One of only five companies to have all three audited Managed Service Provider certifications from the hyperscalers Microsoft Azure Expert MSP and Gold Partner, AWS Premier Consulting Partner and Google Cloud Premier Partner.

Clare Controls provides clear and exclusive benefits to integrators, builders, and homeowners. Clare Controls product line features home automation solutions that are simple to install, maintain, and use; and that give homeowners the greatest level of control over their own automation experiences. The company's solutions include video surveillance, access control and security integration.

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.

Clarion Security Systems is a security company dedicated to the design, installation, service and maintenance of CCTV, access control, intruder alarms, intercom, visitor management and integrated security systems for commercial enterprises.