Hiap Seng Industries Limited, an investment holding company, provides engineering, procurement, construction, and plant maintenance services for oil and gas, and energy sectors in Singapore. The company offers building and plant construction, process piping, pressure vessels, process equipment installation, modular compression, and tanks and terminals services for oil and gas, petrochemical and chemical, power and utilities, and pharmaceutical industries. It also offers routine daily maintenance, total integrated plant maintenance, and turnaround maintenance services in the refineries, petrochemical/chemical complexes, pharmaceutical, and power/utilities plants. In addition, the company undertakes mechanical, electrical and instrumentation, civil/buildings, refractory, insulation, and blasting/painting works, as well as provides scaffolding services. Further, it offers mechanical engineering, plant fabrication, installation, and plant maintenance services for the oil and gas, pharmaceutical, and petrochemical industries, as well as process and industrial plant engineering, and consultancy services. Hiap Seng Industries Limited was founded in 1950 and is headquartered in Singapore.