Mencast Holdings Ltd., an investment holding company, provides engineering and maintenance, repair, and overhaul solutions in Singapore, rest of Asia, and internationally. It operates through Offshore and Engineering, Marine, and Energy Services segments. The Offshore and Engineering segment offers inspection, maintenance, and fabrication of offshore structures, as well as engineering and other onshore structures-related services to the construction and infrastructure, oil and gas, energy and utilities, and water treatment and reclaim sectors. This segment also provides design, procurement, fabrication, and installation of structural and precision engineering systems and plant services. The Marine segment offers services and solutions, including sterngear manufacturing; propeller repair and modification services in offshore oil and gas and marine industry; CPP blades repairing, bronze casting for corroded, and broken parts of cargo pumps, casings, diffuser, and impellers; and inspection, repair and maintenance at shipyards, anchorages, ports, wharves and jetties, and onboard vessels. The Energy Services segment provides waste treatment and recovery waste systems; and treatment of waste, water, oily sludge, slope, mud oil, contaminated soil, solid wastes, and filter cakes. The company is also involved in supply and refurbishment and reconditioning of sterngear; and provision of oil and gas equipment and precision engineering services, as well as offers consultancy services. Mencast Holdings Ltd. was founded in 1981 and is based in Singapore.