CI3 Integrators is a security systems integrator. CI3 designs, builds and installs advanced integrated automated controls and security 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.

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.

Citek Corporation operates in the Information and Telecommunications Technologies area. The company is one of the reputable enterprises in the field of system integration and distribution of technology products. Citek offers wide range of products including IP cameras, access control, fire alarm, video phone, PA systems, CCTV lighting, storage systems, and more from leading manufacturers like Arecont Vision, Raytec, Axxonsoft, Etherwan, etc.

Citiguard provides security services for companies and home since 1966. Their strength lies in their proven track record of delivering quality service solutions. With over 40 years experience as a security services agency for home, companies and government premises throughout Sydney and Australia.

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.

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.

Clear Cloud Solutions is a full service Security Systems Integration and Electrical Contracting company based out of Southern California. They provide cutting-edge security systems design build, sales, and installation to the industrial, commercial, public, and federal sectors.

Clear Sound Fire & Security provides top-tier electronic fire and security systems for homes and businesses across the West Midlands. NSI Gold and BAFE-approved, they offer CCTV, alarms, and access control with over 45 years of expert service.

Clear Vision Technologies deal with transmission for industrial and commercial networks. IP, wireless and fibre optic transmission for CCTV & surveillance, industrial control and security systems are the main services that the company provide. Ethernet switches, media converters and line drivers including 10/100 and Gigabit as well as PoE units are some of the products of this company.

Climatec has been one of the southwest’s leading providers of advanced building technologies for a wide variety of industries and buildings. Being a single source integrator, they provide safer, more comfortable and more efficient building environments through fire and security solutions including Access Control, CCTV, video surveillance, intrusion detection and special systems. They also provide consultation services and training.