Hiap Seng Engineering Ltd provides building construction, engineering, procurement, construction, and plant maintenance services for oil and gas, and energy sectors in Singapore, Malaysia, Thailand, the People’s Republic of China, Vietnam, and internationally. The company operates in two segments, Plant Construction and Maintenance, and Compression and Process Equipment Fabrication. It offers engineering, procurement, and construction services, including process and metering skids, modular compression, process equipment installation, pressure vessels, process piping, and tanks and terminals services for the oil and gas, petrochemical and chemical, power and utilities, and pharmaceutical industries. The company also provides routine daily maintenance, total integrated plant maintenance, and turnaround maintenance services in the refineries, petrochemical/chemical complexes, pharmaceutical, and power/utilities plants; and process and industrial plant engineering, and consultancy services. The company was formerly known as Hiap Seng Engineering & Construction Pte Ltd. and changed its name to Hiap Seng Engineering Ltd in June 1999. Hiap Seng Engineering Ltd was founded in 1950 and is headquartered in Singapore.