PetroVietnam Technical Services Corporation provides technical services for the oil and gas industry. It offers engineering, procurement, fabrication, construction, transportation, installation, hook-up, repair, upgrade, removal, commissioning, decommissioning, operation, and maintenance services for offshore and onshore projects; and investment, management, operation, decommissioning, maintenance, and repair services for FSO/FPSO/FSRU/FLNG. The company also owns and operates offshore vessels, including anchor handling tug supply vessels, dynamic positioning vessels, seismic support vessels, field standby vessels, safeguard vessels, etc. In addition, it provides seismic and geophysical survey services; 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, the company fabricates small to medium structures for offshore works; provides spare parts, bonded warehouse, overhaul, maintenance of safety equipment, fire extinguishers, rescue equipment, and inspection and certification of equipment; and supplies technical manpower. It also offers wharf age, jetty, warehouse, open storage space, office lease, cargo handling and transportation, offshore structures heavy-lift weighing and load-out, ship-repair, shipping agency, customs clearance, logistics, freight forwarding, and hotel management and security services; supplies and rents cargo handling equipment and vehicles; and supplies fuel, lubricants, and fresh water. 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 1993 and is headquartered in Ho Chi Minh City, Vietnam. PetroVietnam Technical Services Corporation is a subsidiary of Vietnam Oil and Gas Group.