CBH Engineering Holding Berhad is principally an electrical engineering service provider. The Company specialises in electricity supply distribution systems, where it undertakes the design, supply, installation, testing, commissioning and maintenance of High voltage (HV), Medium voltage (MV), Low voltage (LV) and Extra low voltage (ELV) electrical systems. It also undertakes mechanical engineering works for the design, supply, installation, testing, commissioning and maintenance of building systems such as Air conditioning and mechanical ventilation (ACMV) systems, fire protection systems, plumbing and sanitary systems as well as renewable energy systems.