CHeKT is a video monitoring product and platform. The CHeKT Bridge is a revolutionary hardware device that allows a professional security integrator to 'bridge'​ any alarm panel to any ONVIF compliant camera or recorder, introducing video to an operator when an alarm signal is received in their automation software.

Started in 1979, Chester Security Systems Ltd installs full range of CCTV equipment from domestic through industrial remote site monitored systems. The company is NSI approved for CCTV systems. Additionally, Chester Security Systems Ltd installs full range of access control systems from standalone single door entry to PC based systems. Chester Security Systems Ltd installs Xpander security grills that suit a variety of premises.

Chevron Alarms is located in Egham, UK. The NSI (NACOSS) approved security installer offers intruder alarms, CCTV systems, access control, burglar alarms systems, and fire alarms for commercial and residential applications. The company is member of FSA (Fire & Security Association) and FIA (Fire Industry Association).

Established in 1999, Chiltern Technology Ltd is a security integrator and security installer based in Aylesbury, Buckinghamshire. It specialises in CCTV, access control, automatic gates, automatic barriers, fencing, perimeter detection and intruder detection installation. Chiltern Technology works closely with its customers, before and after installation, to provide exceptional security solutions to meet their individual site requirements.

China Security and Protection Industry Association (CSPIA), as the trade umbrella association for the professional security industry in the People's Republic of China, was founded in December, 1992 by the governing body of the Ministry of Public Security of China, with more than 4000 members who are responsible for more than 80% of China security business including CCTV, access control, manned security, alarm, biometrics and physical security.

Chown Hardware, Security and Safety Solutions is a family owned business in North America. Functional for over a century, they provide an array of services, be it door hardware, access control and video surveillance.

Chris Lewis Fire & Security is a security solutions installer in the UK. The company provides fire and security, intruder alarms, CCTV systems, access control and gates, and integrated security installations for domestic and commercial premises. The company is members of the Electrical Contractors Associations, Security Systems & Alarms Inspection Board, National Security Inspectorate, Fire & Security Association and Fire Industry Association.

Christie Intruder Alarms is an independent security installation company which delivers security solutions throughout the South of England. The company offers intruder alarms, CCTV systems, access control, burglar alarms systems, and fire alarms and physical security. The Christie Intruder Alarms is NSI NACOSS approved.

Chroma Vision has experience with installing and maintaining CCTV systems using both analogue and IP (Internet Protocol)technologies. The company has supplied and supports CCTV systems at local authority town centres, private & social housing, universities, colleges & schools, ports & marinas.