PT WASCO, a member of the Wasco Energy Group of Companies, which in turn is part of Malaysian Stock Exchange listed Wah Seong Corporation. PT WASCO is headquartered in Singapore, and has waterfront fabrication yards in Singapore and Batam Island (Indonesia). From our 13-hectare waterfront fabrication base PT WASCO specialises in the full range of design, engineering, construction and assembly of onshore and offshore modules for the oil and gas industry, including offshore FPSO E-houses, onshore substations, gas compression and power generation modules.