Intercoms R Us Limited have been supplying, installing and repairing access control and security systems for its clients in Outer London, Surrey and Kent. The company also supply replacement audio door entry system speech amplifiers, handsets and access control products to Wholesalers, Installers, Government Institutions, MOD, Hospitals, Schools, Trade and the Public. Intercoms installation service for flats, houses and businesses.

Smye-Rumsby is a service-orientated company, offering equipment sales and a full, twenty-four-hour repair maintenance service, providing procurement and maintenance services to users of marine navigational equipment, including shore-based radar and radio communications. They also install, monitor and maintain CCTV systems along with a complete service for PA systems.