Based in Terrington St Clements, Terrington Security Services is the one stop shop for all household security products with products ranging from full CCTV systems to wireless door intercom. It also supplies and installs other security items in the household i.e door chains/locks.

Edinburgh company specialising in installing and maintaining intruder alarms, fire alarms, CCTV systems and access control systems. With over 15 years, The Aerial Man Scotland installs state of the art systems in homes, pubs, offices, shops, factories and restaurants. The Aerial Man Scotland uses tried and tested products and work to SSAIB and NACOSS standards.

The Alarm Monitoring Company (AMCO) was founded in 1995 in North Yorkshire with the aim to provide superior security services to domestic and small business solutions, specialising in electronic intruder and CCTV systems. AMCO CCTV monitoring special features include monitored alarm systems and remote systems monitoring. Since setting up AMCO, has grown into one of the UK’s leading national specialist security companies.

Premier Keyholding are dedicated keyholding and alarm response specialists based in London, operating to BS7984 Keyholding standards and ACPO guidelines. Beyond keyholding and alarm response, Premier Keyholding's services include: mobile patrols, locks & unlocks, static guarding, emergency repair work in the event of break-in or damage, lone worker security & security procedures training for staff.

Third Eye Installation Systems are a trusted partner in advanced security solutions. As pioneers in the realm of safety, their expertise lies in the seamless installation of high-definition CCTV and state-of-the-art burglar alarms. They a major security company specialising in CCTV installation and burglar alarms.

Third Eye Installation Systems Limited is North London security company working with both domestic and commercial clients. The company designs and installs all types of security systems including CCTV, intruder alarms and access control. From intruder alarms to CCTV and door entry security systems, its IP camera systems can be viewed from anywhere in the world via phone, laptop or PC.

TI Security was founded in 1969 and since, has succeed in becoming one of the market leaders in electronic security systems. The company's main office is located in Leeds, and hence can reach out customers throughout the UK.

Since 1951, TIS has developed and manufactured the most effective specialist communication systems equipment for industry, the Ministry of Defence and local authorities.

TM Security is a reactive locksmith company covering the entire UK. The company provides a variety of services, such as repair or replacement, fresh fitting, installation of additional security, etc. TM Security serves Bedfordshire, Berkshire, Buckinghamshire, Cambridgeshire, Cheshire, Cumbria, Derbyshire, Devon and Dorset.

Total Fire & Security Ltd installs and maintains radio and wired fire alarms, CCTV systems, access control systems and intruder alarms throughout the South West of England. The company specialises in both wired and wireless fire alarm systems, risk assessment surveys and fire prevention accessories.

Trident was formed in early 2008 bringing the unique attributes of telecommunications expertise coupled with a in depth knowledge of security systems to the marketplace.

Trinity Fire & Security provides quality design, installation, commission & after care of fire detection, fire safety, life safety & security systems. Other services include; fire suppression, detection & alarms, public address systems, disabled refuge, security systems & access control. Providing services for; Commerce and Banking, Airports, Hospitals, Shopping Centres, Education, Industry, Public Sector, Defence, Historical, Hotels and Leisure

Triple Star Fire & Security offers a full range of products, equipment and services for fire protection and security systems. The company’s portfolio includes access control systems, CCTV systems, door entry solutions, fire detection and alarm systems, intruder alarms, automation solutions and fire risk assessments.

As global technology integrators, TwistedPair specialise in network solutions and bridge the gap between people, workspaces and needs with Leased Line Ethernet Solutions, WiFi Solutions, Network Hardware and ‘Rack, Stack and Patch’ Solutions. They perfectly blend audio and visual technologies, to create environments, which will enhance user experience.

UK Security Projects (UKSP) Ltd are a specialist provider of security systems to clients throughout the UK. The company has designed and integrated security systems for a wide range of clients from large multinational corporations to smaller private companies. UKSP are able to provide comprehensive security solutions across a wide range of market sectors including petrochemical, corporate, government, transport, utilities, leisure and retail.

Ultra Security Systems Ltd is an independent security systems company based in Merseyside providing installation, maintenance and monitoring of high quality intruder alarms, CCTV systems, access control/door entry systems for business premises and domestic dwellings throughout the northwest. The company is a NACOSS Gold Approved installer.

Umbrella Security Services offers a wide range of security solutions from close protection officers, rapid deployment CCTV, key holding/alarm response and much more. The company also provides a provision and installation service for CCTV, intruder alarms and access control systems. It provides a complete bespoke installations and maintenance service by highly skilled and qualified engineers.

Unique Integrated Systems (UIS) specialises in design, installation & maintenance of high quality electronic security systems. From intruder alarms, CCTV systems & access control systems to fully integrated security and communications packages, the company designs and installs systems that offer quality, reliability and value. An NSI gold medal installer, UIS can handle projects of all sizes, from a simple installation to maintenance contracts.

Unison Integrated Technology Ltd. is a globally renowned provider of electronic security systems for the commercial and public sector. They offer the supply, installation, maintenance and repairs of many security systems including CCTV, access control, car park barriers, gates and turnstiles.

Vanguard Alarms Limited was established in 1974 and is currently a NSI NACOSS Gold certificated company with an ISO9001:2008 Quality Management System. The company is a local professional installer of security systems based in Shropshire providing a quality service including installation, on going maintenance/monitoring contracts and full 24-hour technical support.

Vicom provides security, fire & communication systems as well as electrical & facility management solutions to many different types of business and the transport sector across London and the South East. These services and solutions include design, supply, installation, commissioning and after sales support services.