Técnicas Reunidas SA engages in the production of clean fuels and petrochemical products. It operates through the following segments: Refining, Natural Gas, Petrochemicals, Low Carbon Technologies, and Other. The Refining segment provides management, engineering, procurement, construction, and commissioning services for facilities along the entire value chain to produce fuels. The Natural Gas segment focuses on the direction, management, engineering, procurement, construction, and commissioning services for facilities throughout the supply chain. The Petrochemicals segment is involved in the direction, management, engineering, procurement, construction, and start-up services for facilities dedicated to the production of basic chemical materials. The Low Carbon Technologies segment includes hydrogen, carbon capture and storage, and circular economy and bioproducts. The Other segment relates to the direction, management, engineering, procurement, construction, and commissioning services for facilities related to activities outside its business lines. The company was founded on July 6, 1960 and is headquartered in Madrid, Spain.