Mencast Holdings Ltd. is an investment company, which engages in the provision of engineering, and maintenance, repair and overhaul (MRO) solutions. It operates through the following segments: Offshore and Engineering, Marine, and Energy Services. The Offshore and Engineering segment includes offshore structures, engineering, manufacturing, inspection, maintenance, and rope access services. The Marine segment offers sterngear manufacturing and refurbishment works, ship inspection, repair and maintenance, engineering and fabrication works, and diving services. The Energy Services segment covers oil sludge and slop reclamation, hydro cleaning oil and gas tanks, and encapsulation of wastes. The company was founded in 1981 and is headquartered in Singapore.