Castle Defense 360 Security was established due in part to the increase in criminal and terrorist activity. The company believes in the absolute essential need for security solutions that provide services far beyond the traditional security guard and other security related service. Castle Defense offers home protection, access control and surveillance as well as perimeter breach services.

CBI Security Limited is a family run business that was established in 1997. The company provides security services in Stoke on Trent, Staffordshire and Cheshire. It is an ISO accredited company that provide a 24 hour service that is based on high levels of reliable, trusted service partners, expert people and strict quality standards.

Celestial Security & Surveillance Inc is a reputable Philippine company that provides security guards, private security, investigation & CCTV installation.

Central Coast Security Services (CCSS) is committed to offering the very best in security services 24 hours a day. The company offers security services to local community of Mackay while also specialising in the construction and mining industries at remote locations throughout the state.

Certis CISCO is Singapore's leading security organisation. The company offers a comprehensive range of security services from Auxiliary Police to a “one-stop solution” for a full range of physical, IT and data security services. The company supports the efforts of the Singapore Police Force in maintaining law and order and to enhance the security environment by providing a range of security services at the highest professional standards.

CES Security provides SIA-trained and licensed officers to fit your manned guarding requirements.

Champion National Security is a privately-held uniformed security services provider in Texas. It provides services for industries including commercial, industrial, medical, hospitality and residential. These services include traditional security services, surveillance and monitoring, loss prevention, brand protection, crisis management, car park and vehicle security, response and emergency response, uniformed security and discreet security.

Champion Security Installations design, supply and install a wide range of security systems, starting from IP and HD CCTV alarm systems to access control systems, intruder or fire alarms, and vehicle or pedestrian barriers. They even provide manned security guards.

Changzhou Minking Electronic Co., Ltd. is a professional manufacturer which specializes in the research, development and production of CCTV products.

Chogon Guards And Safety Limited is an indigenous Nigeria Company providing total and integrated security solutions to individuals, government, corporate bodies and NGOs. They strive to provide their clients with the best possible security services in an efficient, effective and dependable manner and with the greatest possible attention to the detail.

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.

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.

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.

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.

Coast Vancouver Security is a community oriented private contract security company serving the Lower Mainland, Vancouver Island, the Northern Coast and Interior British Columbia. The company provides security guard services in Burnaby and service a wide variety of sites, including hotels, schools, government facilities, construction sites, residential and commercial buildings, factories and warehouses, police agencies and private conventions.

Code3 Protections Private Limited was incorporated to cater to an international format of close protection / executive protection never before provided in India. The founder and CEO of Code3 Protections has a vision for the Indian security industry and is determined to provide clients with an Intelligent and discreet form of specialised protection.

Cole Security is a leading supplier of integrated managed security and facilities support services for organisations across Greater Manchester and the North West of the UK. The experience spans a range of public and private industry sectors, including, Education, Healthcare, Environmental Waste, Industrial and Commercial. They have built an enviable reputation and continue to grow at a steady pace through reputation and referral.

Combined Support Services Ltd is a professional and reliable security provider delivering Security Officers, K-9 Dog Teams, Concierge, Reception Security, Event Stewards and Marshalls across the UK. The company supports construction, commercial, retail and event sectors with tailored security solutions, highly trained staff and a strong commitment to customer service, safety and professionalism.