Mencast Holdings Ltd along with its subsidiaries, is a regional Engineering and Maintenance, Repair and Overhaul solutions provider. It consists of three segments, namely the Offshore and Engineering Segment which includes engineering, manufacturing, inspection and maintenance, the Marine Segment which is engaged in sterngear manufacturing and refurbishment works, repair and maintenance services, ship inspection engineering and fabrication works and the Energy Services Segment which includes oil sludge and slop reclamation, hydro cleaning oil and gas tanks, launch carbon footprint management initiatives and green initiatives. The company's maximum revenue is from the Marine Segment. Geographically, it derives a majority share of the revenue from Singapore.