MTQ Corporation Limited, together with its subsidiaries, provides engineering solutions for oilfield equipment in Singapore, the Kingdom of Bahrain, Australia, United Arab Emirates, and the United Kingdom. It operates through Investment Holding and Oilfield Engineering segments. The company offers engineering services for the servicing, manufacturing, assembly, and fabrication of oilfield equipment, such as valves and blow-out-preventers. It also rents and sells oilfield equipment and spare parts, including drilling spools, adaptors, and related pressure control drilling equipment; heat exchanger mud coolers, shale shakers, drilling and spares handling tools, BOP pressure test units and torque tools, mud pumps, safety and drilling diverter valves, drillpipe protectors, and safety equipment. In addition, the company supplies oilfield equipment; manufactures equipment components; remanufactures drilling tools; designs, engineers, assembles, and tests flow control valves; and provides equipment recertification and rig inspections services, as well as general oilfield fabrication and welding services. It serves the original equipment manufacturers, drilling contractors/rig owners, and oil and service sectors. The company was formerly known as Metalock Singapore Limited and changed its name to MTQ Corporation Limited in 2003. The company was founded in 1959 and is based in Singapore.