Técnicas Reunidas, S.A., an engineering and construction company, engages in the design and management of industrial plant projects worldwide. It operates through Oil and Gas, Power, and Other Industries segments. The Oil and Gas segment offers engineering, procurement, and construction services in oil processing operations and chemical production and processing operations; services related to the natural gas production and extraction value chain, such as production, processing, storage, and transportation; constructs, revamps, and expands refining plants; designs and builds auxiliary services and other refining units; and designs and constructs monomers, polymers and plastics, chemical, and fertilizer producing and processing plants. The Power segment provides consulting, engineering, procurement, and construction services for a range of electricity generating plants comprising conventional thermal plants, combined cycle power plants, gasification integrated with combined cycle, nuclear plants, co-generators, solar plants, fuel cells, solid waste, and biomass technology, as well as plant operation and maintenance services; and supplies turnkey plants. The Other Industries segment undertakes projects in various areas that include airports, industrial facilities, and desalination and water treatment plants, as well as projects for public authorities and other organizations, including management of car parks, and sports centers. It is also involved in the property development and machinery wholesale business; and provision of inspection, quality control, and technical consulting services. The company was formerly known as Lummus Española, S.A. and changed its name to Técnicas Reunidas, S.A. in 1972. Técnicas Reunidas, S.A. was incorporated in 1960 and is based in Madrid, Spain.