Interphone has an unrivalled understanding of building security and automation technologies, providing design, installation and maintenance services for the commercial residential marketplace. Interphone's management and control solutions combine a wide range of building systems including access control, CCTV, gates and barriers, distributed television, fire and emergency detection, LED lighting, door entry, concierge and property management.

ZimCos Ltd provides installation and maintenance of CCTV, access control security equipments.