.png)
Offshore / Subsea EPC Contractors
Seng Heng Group is a Singapore-based EPC contractor offering full-scope marine and offshore services. We specialize in piping systems, mechanical and electrical works, structural fabrication, and certified manpower supply, operating 24/7 across shipyards and offshore sites.
Over the years, we’ve expanded our capabilities to serve the oil and gas sector, providing high-quality fabrication, repair, and installation services. Our team includes certified engineers and skilled welders proficient in materials like Duplex steel, Aluminum, SUS 304/316L, and Hardox, backed by class-approved welding procedures.
We are BIZSAFE STAR, ISO 9001, ISO 14001, and ISO 45001 certified, reflecting our strong commitment to quality, safety, and environmental standards. With modern facilities and a reputation for reliability, Seng Heng Group continues to be a trusted partner for leading marine and offshore clients.
Service Feature Highlights
- We provide complete engineering, fabrication, and installation for marine and offshore systems.
- Our certified team handles high-stakes projects with expertise in welding, piping, and electrical work.
- Available 24/7, we ensure fast deployment and efficient project execution.
- Proven track record with major projects like Z MAGA and clients including ASL Shipyard and Seatrium.
Some FAQ About This Service
We provide piping fabrication and installation, mechanical repairs, electrical panel works, and certified manpower for full-scope project execution.
Yes, Seng Heng Group is BIZSAFE STAR certified, reflecting our top-tier safety and compliance standards in every operation.
We supply certified welders, piping engineers, electrical specialists, fitters, and supervisors—available on a project, daily, or hourly basis.
Our services support marine and offshore sectors. We’ve successfully worked with companies such as ASL Shipyard, Seatrium, Strategic Marine, and Global Offshore Supply & Engineering.