Analogue Holdings Limited is an investment holding company mainly engaged in the building services. The Company operates its business through four segments. Building Services segment provides electrical and mechanical engineering building services, including the design, installation, testing and commissioning and maintenance of heating, ventilation and air-conditioning system, fire service system, plumbing and drainage system and electrical system. Environmental Engineering segment provides solutions for the design, construction, operation and maintenance of systems for treatment of sewage, water, solid waste, sludge and gas. Information, Communication and Building Technology (ICBT) segment provides solution for the design, hardware and software development, installation and maintenance of infrastructure communications and security and access systems. Lift and Escalators segment provides solution for design, supply, installation, repair and maintenance of lifts and escalators.