Deleum Berhad is an investment holding company. It operates in threes segments. The Power and Machinery segment focuses on the provision of a complete life cycle support of gas turbine generators, mechanical drives and compressor packages; turnkey solutions for combined heat and power plants; supply, installation, repair and maintenance of valves and flow regulators; umbilical and piping insulation solutions; transport and installation works, and provision of heavy lifting equipment for offshore installations. The Oilfield Services segment focuses mainly on upstream operations, topside and downhole support services consisting of the provision of wireline equipment and logging services, and completion services. MRO segment provides repair, servicing, maintenance and overhaul of motors, generators, transformers, pumps, valves, composite repair integrity for pipeline and also secondary structural repair for the oil and gas and general industries.