Astec Systems Limited is a UK-based security systems company with international capabilities and a reputation for the highest standards of service, unrivalled quality and excellent reliability. They specialise in the design, installation, service and maintenance of high technology security systems, from single locations to multi-site, fully integrated multi-jurisdictional installations.

Astoria Fire and Security carry out installations and provide maintenance services in the Electrical, Fire Alarm and CCTV industry to commercial, industrial and domestic properties throughout London and the South East including; schools, offices, factories and retail enterprises.

ATEC is a multi-disciplinary security company that embraces innovation to provide deep integration and efficiency across logical and physical security domains. ATEC specialises in video surveillance, access control (Personnel and Vehicular), intruder detection, biometric technologies, voice communication, ANPR, intruder detection and fire systems.

ATG Access is Europe's largest manufacturer of security bollards and vehicle barrier systems, currently exporting to over 40 countries. ATG Access has become a global brand offering a wide variety of access control products and solutions.

Atlas Alarms Ltd. is an independent electronic security company, providing installation and maintenance and repair for Intruder, Access, CCTV, Fire and much more, across the North West of England. The company mainly offers commercial and residential electronic security. Atlas Alarms is a NSI, Nacoss Gold, Constructionline and CHAS Health and Safety accredited company.

Atlas Fire & Security Ltd. is one of the largest independent installers of Intruder Alarm, Fire Alarm, CCTV and Access Control systems in Merseyside. By having a team of highly experienced technicians ensures that the company provides a consistently high quality installation, maintenance and 24 hour repair service to its customers. Atlas Fire & Security Ltd. offer services to both domestic as well as to commercial clients.

Audible & Visual Security Ltd. offers installation services into every type of buildings that includes small and very large, ultra-modern homes. Based in Solihull, the company aims to supply and install quality security systems into every type of business such as jewellery shops, off-licences, warehouses, office blocks, garages, car showrooms and large industrial units. Audible & Visual Security Ltd. desire to meet the need of its customers.

UK based, Audiotel International operates from a modern, fully equipped and secure headquarters near Northampton. The company designs, develops and manufactures audio surveillance, technical counter surveillance and counter IED equipments.

Autogate Supplies provide a selection of electric gates and CCTV systems. The company can supply automation kits, remote controls, safety sensors, intercoms and spare parts. Autogate Supplies offers access control, intercoms and cctv systems.

Autoguard Alarms Ltd. is in designing, installing and maintaining security installations for Intruder Alarms, CCTV and Access Control. Autoguard Alarms have successfully installed security systems for home and commercial protection across the UK. The company run with a team of highly skilled Installation and Service Engineers who offer a professional, yet personal service. The company's service meet or exceed the NSI regulations.

Automatic Alarms Ltd. offers installation and maintenance service of Fire Alarm Systems and Emergency Lighting Systems. The company provides approved systems to shops, offices, hotels, restaurants, care homes, industrial units, schools, colleges and universities, multi-occupied apartment buildings, NHS Trusts and breweries. Automatic Alarms objective is total customer satisfaction.

Based in Chesterfield, Automatic Security Installations Ltd. is a specialist in installing electronic security systems including CCTV systems, access control, intruder alarms systems, panic/staff alert systems, and nurse call systems. The company is NACOSS gold accredited assuring high quality services. Automatic Security Installations Ltd. can fulfill both domestic as well as to commercial needs.

Automatic Security Services Ltd. mainly supply and install security systems such as home burglar alarms, access control, intruder detection, CCTV, key response, physical protection, and remote monitoring etc. Located in Newcastle, the company meets all the NSI standards. Automatic Security Services offers domestic, commercial and public security.

AVA Fire & Security Ltd. are an electronic security installation and maintenance expert specialising in CCTV systems for business. The company offer installation services of CCTV, fire alarms, smoke alarms, burglar alarms, security barriers, access control, and fire extinguishers. AVA Fire & Security clients includes local health boards, schools, and commercial organisations throughout Newport, South Wales and the UK.

AVA is a CCTV, fire, security and alarm consultant in Newport, South Wales. The company deals with installation and maintenance of digital CCTV and security camera systems, fire alarms, access control, barriers and gates.

AVANZA is a provider of high-end IT and security solutions. The company’s security services include access controls, CCTVs, biometrics, intruder, fire detection technology and Fastlane solutions. AVANZA functions in retail, commercial, residential, educational and government sectors.

Avenue Alarms Ltd. provides installation service to shops, offices, health centres, warehouses, colleges, schools and domestic dwellings of all sizes. Based in Southampton, the company offers installation service of security systems including intruder alarms, CCTV, access control and smoke generating units. Avenue Alarms Ltd. is a NACOSS approved installer that comply with the national quality assurance standard, efficiency and administration.

AVerMedia is a major global player in designing, manufacturing and marketing multimedia, Internet TV and consumer electronic product.

Avon Alarms Ltd. has been approved by the NSI as a "NACOSS GOLD" Company for the design, supply, installation, monitoring and servicing of Intruder Alarm Systems, (CCTV) Closed Circuit Surveillance Systems and Access Control Security Systems. It has an impressive customer base including Local Authorities, Government Departments, Health Care Trusts and International "blue chip" companies.

AVS Services LTD provides installation services for products such as CCTV and door entry systems. Located in Kent and Glasgow, the company's highly qualified technicians have an in-depth knowledge of what they do and combined experience that spans well over 40 years.

Based in Sunderland City Centre, AWM Alarms Ltd is an award winning security systems company. The company provides a full range of security systems including burglar alarms, CCTV, fire alarms and access control. AWM Alarms Ltd provides security systems for both domestic and Commercial Premises and can provide a fully monitored confirmed alarms actioned to the Police, via Secure Dual-Path Remote Signalling.

Based in Hedge End, Southampton, Axis Fire & Security Services Ltd offers a full range of fire alarm and security services. Axis Fire & Security's portfolio includes the full complement of electronic security, fire alarms, intruder alarms, emergency lights, CCTV, access control (stand alone or PC based) audio or video door entry, electronic gates and barriers.