Deleum Berhad, an investment holding company, provides products and services to the oil and gas industries primarily in Malaysia. It operates through Power and Machinery, Oilfield Services, and Integrated Corrosion Solution segments. The Power and Machinery segment engages in the sale of gas turbines and related parts, and overhaul of turbines, as well as provision of maintenance and technical services, including turnkey installation, package renewal, and retrofit; and supply and commission of combined heat and power plants; supply, installation, repair, and maintenance of valves, flow regulators, and other production related equipment. The Oilfield Services segment offers slickline equipment and services; integrated wellhead maintenance services; well intervention and cased hole logging services; gas lift valve and insert strings equipment, accessories, and services; specialty chemicals and well stimulation services; drilling and completions services; solid control services; and subsurface engineering services. The Integrated Corrosion Solution segment provides integrated corrosion and inspection services; blasting technology; and engages in the maintenance, construction, and modification maintenance activities, as well as services for tanks, vessels, structures, and piping. The company is also involved in the development and provision of solid deposit removal solutions; Servicing, repair, and maintenance of motors, generators, transformers, pumps and valves; and supply of oilfield chemicals and services. The company was founded in 1982 and is headquartered in Kuala Lumpur, Malaysia.