PetroVietnam Technical Services Corporation (PTSC) is a prominent Vietnamese company that specializes in providing technical services for the oil and gas industry, as well as the energy and industrial sectors. Established in 1976, PTSC has developed into a key contractor and service provider in Vietnam and the surrounding region. As a member of the Vietnam Oil & Gas Group (PetroVietnam), it plays a vital role in the national energy sector.

PTSC offers a wide range of services, including engineering, procurement, construction, installation, and commissioning (EPCIC) for offshore facilities, as well as geological and seismic surveys. The company also provides offshore supply vessels, port and supply base services, and technical manpower supply. With a workforce of approximately 7,480 employees, PTSC is known for its technical expertise and commitment to delivering high-quality solutions that meet international standards. Its diverse portfolio supports various upstream and midstream oil and gas activities, making it a trusted partner for major operators in the region.