PetroVietnam Technical Services Corporation offers technical services for the oil and gas, energy, and industrial sectors. It offers engineering, procurement, fabrication, construction, transportation, installation, hook-up, repair, upgrade, removal, commissioning, decommissioning, operation, and maintenance services for offshore facilities; and conversion, management, operation, and maintenance services for FSO/FPSO/FSRU/FLNG. It also owns and operates a fleet of anchor handling tug supply vessels, dynamic positioning vessels, offshore support vessels, seismic support vessels, field standby vessels, and safeguard vessels. In addition, it offers geophysical and geotechnical survey services; geochemical metocean and oceanographic survey services; supports drilling operations, surveys, mechanical repair, maintenance, and installation of subsea structures by ROV; and data processing and interpretation, lab testing, and reporting services. Further, it fabricates small to medium components for offshore installation; provides spare parts, bonded warehouse, overhaul, maintenance of safety equipment, fire extinguishers, rescue equipment, and inspection and certification of equipment; supplies technical manpower; offers wharfage, jetty, warehouse, open storage space, office lease, cargo handling, offshore structures heavy-lift weighing and load-out, ship repair, shipping agency, customs clearance, logistics, freight forwarding, and security services; supplies and rents cargo handling equipment and vehicles, as well as fuel, lubricants, and fresh water; and offers offshore wind power project services. The company was formerly known as Petroleum Technical Services Corporation and changed its name to PetroVietnam Technical Services Corporation in 2009. The company was founded in 1976 and is based in Ho Chi Minh City, Vietnam. PetroVietnam Technical Services Corporation is a subsidiary of Vietnam Oil and Gas Group.