Manufacturer of intercom solutions for communication and security, providing a wide variety of audio and video systems, specializing access entry and control systems in the world.

Offers intercoms, video-intercoms, access controls, door strikes, and nurse call systems. Based in Canada.

Spanish manufacturer and exporter of audio and video door entry systems, intercoms, monitors, and door releases.

Manufacturer of vandalproof building entry intercoms, apartment audio/video intercoms and emergency call systems.

Provides an online catalog of offered intercoms and postal products.

Provides wireless, household, domestic, wall, line and grid and AC power intercom.

Designs and manufactures audio and video security entry systems, door entry intercoms and access control systems. Based in Newcastle Upon Tyne, England.