A-Z Security specialises in supplying and installing fire and security. The company's services cover the domains of access control systems, alarm systems, CCTV systems, fire alarm systems and TV aerials & satellites.

Abeera Ltd is a local, reliable electronic security company based in Croydon, serving customers across London. They provide electronic security systems, including wireless alarm systems, gate automation systems, door entry systems, CCTV systems, and burglar alarms that offer 24/7 protection to home and business premises.

Abloy UK are the UK’s leading experts on high quality door locking and functionality. Its product range includes electric locking, cylinder, padlocks, door operators and more. Abloy is one of the leading manufacturers of locks, locking systems and architectural hardware and the world’s leading developer of products in the field of electromechanical locking technology.

Acal BFi is a supplier of advanced electronic products and custom services to industrial manufacturers. Acal provides products such as embedded computing systems, RF and frequency control, power supplies, connectors and cables, semiconductors, sensors, imaging and photonics and many more.

Accellence Technologies GmbH is an independent software development company based in Hanover, Germany. They provide information technology and telecommunications solutions, specialising in video security and SCADA/process automation. They aim for the highest attainable standard of efficiency, reliability and performance in the design and realisation of the software solutions, thereby achieving maximum benefit for their valued clients.

Access & Security Systems Ltd. were formed in 1995 to provide professional and comprehensive property protection solutions for Commercial, Educational, Health, Domestic and Retail Markets. The company is specialised to provide cost effective security solutions for home or business, whether security shutters, security grilles, window bars, manual or automatic garage doors or window security screens based on unique requirements.

Access Cards and Readers LLP supplies a range of access cards, fobs, readers and keypads for the facilities management, and access control sectors. Available for purchase both online and by phone. Set up by Rob Ansell in 2010 Access Cards and Readers' main objective is to manufacture and distribute quality access control products to the market at a fast and efficient rate.

Access Direct is a distributor and provides a wide range of security products. Its product offering includes access control cards, readers, fobs, biometrics, barriers and turnstiles and IP clocks, among others. The company's diverse product range offers bespoke security solutions for businesses of every size and type.

ACT Meters Ltd is a mail order supplier of specialist test equipment and alarm troubleshooting products. ACT Meters Ltd has recently transformed into a Group, with separate companies ACT Meters UK and ACT Meters International being created to focus on sales. ACT Meters' products are available either direct from ACT or through their worldwide network of distributors, who include the Farnell PLC Group and ADI Global.

Advance Fire is one of the leading fire protection companies in Yorkshire. With over 30 years of experience in Fire Detection, Prevention and Security, the company designs, installs, commissions, and maintains all types of fire alarm systems, emergency lighting, smoke vent systems, and security products etc. Advance Fire also provides fire talks and on site staff training to all businesses.

Advanosys Security and Automation Technologies is a full service Systems Integrator providing a very wide offering of all security, automation, life-safety and disaster prevention. Advanosys offer complete designed, installed, managed/monitored and supported solutions to an equally wide range of clients to meet all types of security and automation requirements.

From Access Control to Smoke Screen Systems, the company is able to supply, install and maintain these kinds of systems as well as a range of Safes. AES Commenced Trading in 1984, the company can provide security systems such as CCTV, Smoke screen, key holding, fire alarm systems, access control, and business security systems etc.

Agri-cctv Ltd provides security solutions for rural and farming communities, providing tools to protect home or business. The company provides solutions based on intruder alarm, CCTV, remote security, tracking, automation, security lighting and IP secure installations.