Coomber Security Systems, established as a local independent fire and security company in 1990, has grown to become the largest independent fire and security company in Somerset with a customer base of over 6000 systems. The company understands the importance of supplying the customer with not only a quality installation but a reliable and cost effective service and maintenance.

Credex is accredited installer and supplier of Jablotron alarm systems, security cameras and access control.

Crel Srl is a leading Italian company that produces electronic security and inspection systems. Experienced in the development, design and installation of protection systems in renewable energy, wind turbines and photovoltaic sites, it is also engaged in the manufacture and sale of perimeter security systems that can be installed on fences or underground.

Cress Security offers electronic security solutions. Cress Security provides a full range of security products and services to help customers benefit from a safe working environment, secure property and protected assets.

Crime and Fire Defence Systems Ltd is a turn-key perimeter security systems integrator; a very adaptable and forward thinking organisation that puts the customer first. Based in the UK, Crime & Fire Defence provides perimeter fencing, electrified fencing, intruder detection, CCTV systems, access control and control room software and monitoring systems.

Crime Detection Systems (CDS) are installers of intruder alarms, CCTV, fire detection and door access systems for both the commercial and domestic sectors. CDS provide a range of security and fire detection services throughout Kent, Hampshire, Buckinghamshire and London.

Crime Prevention Services have designed, installed, maintained and monitored electronic security systems for over 30 years. The solutions are tailored to individual needs. Crime Prevention Services offer commercial security, home security, alarm receiving centre.

Crimehalt Fire & Security Ltd is the South West's largest independent fire & security company. Crimehalt provides total bespoke and affordable security solutions to both commercial and domestic customers. Crimehalt's NACOSS accreditation guarantees quality of all installations and maintenance services on all Intruder Alarms systems supplied. BAFE accreditation guarantees peace of mind for all Fire Protection Equipment.

Crimestop offers burglar alarms, fire detection, CCTV, access control for homes and businesses. Crimestop's experienced surveyors and engineers travel across the Midlands and Home Counties maintaining security equipment for schools, universities, healthcare organisations, well known retail and leisure outlets, small businesses and residential properties.

Crimewatch Safeguard Security Systems specialise in Intruder Detection, Fire Detection, Access Control, and Closed Circuit Television (CCTV) installation, monitoring, and design to both the public and private sector.

Crosby Intruder Alarms offer full design, installation, service, repair and maintenance to hardwired alarm systems, CCTV, access control, security lighting, fire alarms, local area paging, caravan park security, and door entry systems.

Crown Securities (UK) Ltd is an NSI (NACOSS) Gold approved installer of Security systems, meeting the requirements of Insurance Companies & Police Authorities throughout the Northwest, Midlands & North Wales.

Crown Security Systems designs, builds, installs, and maintains intruder alarms, fire alarms, CCTV, access control to current British and European Standards.

Crown Security Systems was established in 1982 as a specialist electronic security installation and maintenance company. Crown Security Systems approach is to provide a total security solution utilising the latest technological innovations, engineering excellence and above all listening to what the customer wants. The products range from intruder alarms, CCTV, access control, number plate recognition, and other electronic security products.

Croxley Alarm Systems specialise in the specification, installation and maintenance of a range of security and protection products including: domestic and industrial burglar alarms, CCTV, locks, security lights, access control, and covert CCTV.

CSG Fire & Security has been established over many years to meet the ever-growing demand for installations of fire alarms, CCTV, access control systems, intruder alarms and also gate and barrier systems.

CSG UK PLC specialise in the installation, maintenance and support of security systems for companies and organisations throughout the UK and Europe. CSG UK supply and install comprehensive security systems for national chains and individual businesses in the form of: CCTV, Access Control, Public Address, Intruder Detection and EAS (Electronic Article Surveillance), Fire and Safes.

CTS Security Ltd has been installing and maintaining burglar alarms, CCTV and other security equipment for businesses, educational establishments and homes for over 40 years. CTS Security has vast experience of working in a wide range of industries including retail, professional services, agricultural, manufacturing, distribution and engineering as well as for public sector, education and domestic clients.

Cumbrian Systems looks after fire and security needs of clients ranging from domestic, commercial and industrial sites including Ministry of Defence & government contracts. The company installs fire alarm, fire suppression systems, CCTV, and access control systems.

Custodian Total Security Services supplies and installs intruder alarms, CCTV, and access control systems. It is a local independent company based in the North East of England with an area ranging from Alnwick across to Hexham and South to Durham, Cleveland and North Yorkshire serving both the domestic and commercial markets. the company also provides a full 24-hour emergency service to all customers.

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.

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.

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.