Deleum Bhd is an investment holding company. It has three operating segments. The Power and machinery segment, which is the key revenue driver for the company, includes the sale of gas turbines and related parts, overhaul of turbines, maintenance, technical services, supply, installation, repair, and maintenance of valves, flow regulators, and other production-related equipment. The Oilfield services segment consists of the provision of slackline equipment and services and integrated wellhead maintenance services. The Integrated corrosion solution segment includes the provision of integrated corrosion and inspection services, blasting technology, and services for tanks, vessels, structures, and piping.