Técnicas Reunidas
Spanish engineering, procurement and construction group focused on industrial, energy and power-generation facilities.
Last updated August 27, 2026
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Overview
Técnicas Reunidas, S.A. is a Spanish engineering and construction group that provides engineering, procurement and construction services for industrial plants, energy infrastructure and power-generation facilities. Its work is particularly associated with oil and gas, refining and petrochemical projects, although the group also operates across power generation, fertilizers, inorganic chemistry, metallurgy, mining, hydrometallurgy, environmental engineering, steelmaking, cogeneration and renewable energy. The company traces its origins to 1959, when Spanish business interests joined with the United States engineering company The Lummus Company to establish Lummus Española, S.A. The early business developed expertise in process engineering and industrial plant construction. In 1963, it completed its first full refinery in Spain, establishing a foundation in refining-unit design and construction. Five years later, it delivered the Luján de Cuyo refinery project in Argentina for YPF, its first major project outside Spain and an early indication of the international direction that would later define the group. In 1972, the company absorbed Tecniresa and adopted the Técnicas Reunidas name. From the 1980s onward, the group expanded substantially beyond the Spanish market. This internationalization was associated with the management of Álvaro García-Agulló Lladó and the chairmanship of José Lladó. The company subsequently developed a broad geographic presence in Latin America, the Middle East, the Far East, North Africa, Turkey and other Mediterranean markets. International projects have represented a large majority of its activity, with the referenced company profile indicating approximately 70% of annual turnover coming from outside Spain. Técnicas Reunidas acts as the principal holding company for a group of businesses capable of supplying integrated services for turnkey projects. Its EPC model combines front-end and detailed engineering, procurement, project management, construction and commissioning. Depending on the project, it may work as a general contractor, technology and process integrator, or engineering partner for industrial operators and public or private energy companies. Its clients and project environments have included refineries, oil and gas production facilities, petrochemical plants, power stations, fertilizer facilities and other complex process installations. The group has also maintained a research and development capability since 1971. Its Madrid R&D centre includes laboratory, pilot and demonstration facilities intended to test process configurations and support the transition from laboratory concepts to industrial-scale operations. Research areas described for the centre include hydrometallurgy, electrochemistry, process development and the technical and economic improvement of existing industrial processes. A notable Middle Eastern expansion came in January 2009, when Técnicas Reunidas was awarded a contract valued at approximately $1.2 billion to develop two onshore fields in the United Arab Emirates for a subsidiary of ADNOC. The award illustrated the group's ability to compete for large-scale upstream and downstream energy projects in the Gulf region. During the COVID-19 period, the Spanish government provided the company with €340 million in aid through the State Industrial Holdings Company, SEPI, in 2022. Técnicas Reunidas remains an active, publicly listed Spanish engineering and construction group whose business is closely tied to global industrial investment, especially in energy and process infrastructure.
History
Técnicas Reunidas originated in 1959 through the creation of Lummus Española, S.A., a joint venture involving Spanish business interests and the United States engineering company The Lummus Company. The founding activity gave the group access to industrial engineering and process-plant expertise at a time when Spain was developing its industrial base. The company's first major domestic milestone came in 1963, when it built a complete refinery in Spain. This project helped establish its specialization in refining units and provided experience in the engineering and construction of complex process facilities. In 1968, the group completed the Luján de Cuyo refinery in Argentina for YPF. That project was its first project abroad and marked the beginning of a sustained international trajectory. In 1972, Lummus Española absorbed Tecniresa and changed its name to Técnicas Reunidas. The renamed company continued as a privately held Spanish enterprise before developing into a larger group of specialized engineering and construction businesses. From the 1980s, international expansion accelerated under the management of Álvaro García-Agulló Lladó and the chairmanship of José Lladó. The group increasingly concentrated on work outside Spain, serving clients in Latin America, the Middle East, the Far East, North Africa, Turkey and other Mediterranean markets. The business developed around an integrated EPC model. Through its group companies, Técnicas Reunidas can combine process and basic engineering, detailed design, procurement, construction, commissioning and related project-management services. Its main business divisions are oil and gas, power generation and infrastructure. Its technical scope has extended beyond conventional refining to petrochemicals, heat transfer, cogeneration, renewable energy, fertilizers, inorganic chemistry, environmental engineering, iron and steel, metallurgy, mining and hydrometallurgy. A significant international contract was announced in January 2009, when the company was selected to develop two onshore fields in the United Arab Emirates for a subsidiary of ADNOC. The contract, reported at approximately $1.2 billion, reflected the company's growing participation in large Middle Eastern energy projects. More generally, international projects have accounted for the majority of the group's activity, with the referenced profile stating that they represented about 70% of annual turnover and were concentrated particularly in Latin America and China, alongside the company's expanding Middle Eastern presence. Research and development has been part of the organization since 1971. Técnicas Reunidas operates an R&D centre in Madrid with laboratories and pilot and demonstration plants. The centre's purpose is to develop new processes, improve established technologies and test how laboratory findings can be transferred to industrial operations. Its work includes hydrometallurgy and electrochemistry, as well as technical and economic optimization of process configurations. In 2022, during the economic disruption associated with the COVID-19 pandemic, the Spanish state provided the company with €340 million in aid through SEPI. Técnicas Reunidas continues to operate as a publicly listed Spanish engineering and construction group serving international energy and industrial markets.
- 2022
Spanish state aid
[1]SEPI provided €340 million in aid to the company during the COVID-19 pandemic period.
- 2009
Major UAE field-development award
[1]The company received an approximately $1.2 billion contract to develop two onshore UAE fields for an ADNOC subsidiary.
- 1972
Adoption of the Técnicas Reunidas name
[1]After absorbing Tecniresa, the company adopted the Técnicas Reunidas name.
- 1971
R&D capability established
[1]The group established its own research and development division, later supported by laboratory, pilot and demonstration facilities in Madrid.
- 1968
First international project
[1]It built the Luján de Cuyo refinery in Argentina for YPF, its first project outside Spain.
- 1963
First complete refinery in Spain
[1]The company built its first full refinery in Spain and strengthened its specialization in refining units.
- 1959
Creation of Lummus Española
[1]Spanish business interests and The Lummus Company formed Lummus Española, S.A., the predecessor of Técnicas Reunidas.
Products and positioning
Integrated, high-value engineering and construction partner for complex energy, industrial and process-infrastructure projects, with a strong international orientation.
Energy infrastructure
Oil and gas facilities
Técnicas Reunidas designs and constructs facilities across the oil and gas value chain, including upstream field infrastructure, processing installations, refining units and related industrial systems. Projects may be delivered through integrated EPC contracts combining engineering, procurement, construction and commissioning.
Industrial process plants · 1963
Refineries and petrochemical plants
Refining was one of the company's earliest areas of specialization. Its portfolio includes complete refinery projects, refining units and petrochemical facilities requiring process engineering, equipment procurement, construction management and integration of multiple plant systems.
Power infrastructure
Power-generation and cogeneration plants
The group provides engineering and construction services for power-generation infrastructure, including conventional generation and cogeneration applications. Its wider power activity forms one of the principal business divisions alongside oil and gas and infrastructure.
Chemical industry infrastructure
Fertilizer and inorganic-chemistry facilities
Técnicas Reunidas works on industrial facilities for fertilizers and inorganic chemistry. These projects require specialized process design, materials and equipment selection, construction coordination and scale-up of complex chemical operations.
Mining and metals infrastructure
Metallurgy, mining and hydrometallurgy plants
The company also supplies engineering and construction capabilities for mining, metallurgy and hydrometallurgy. Its R&D activities in hydrometallurgy and electrochemistry support the development and industrial improvement of processes used in these sectors.
Environmental and energy services
Environmental and renewable-energy infrastructure
Environmental engineering and renewable energy are among the group's stated areas of activity. Services may involve the engineering and integration of industrial systems intended to improve resource use, manage environmental requirements or support non-fossil energy applications.
Brand decisions
2022
Acceptance of Spanish state supportOtherBackground
The COVID-19 pandemic created difficult operating and financial conditions for industrial engineering and construction companies.
Action taken
The company received €340 million in aid from the Spanish government through SEPI.
Aftermath
The support provided state-backed assistance while the group continued operating as a listed engineering and construction company.
State aid. €340 million (2022)
2009
Expansion into major UAE upstream infrastructureOtherBackground
The company was expanding its presence in the Middle East and competing for large-scale energy infrastructure work.
Action taken
Técnicas Reunidas accepted an approximately $1.2 billion contract to develop two onshore fields in the United Arab Emirates for an ADNOC subsidiary.
Aftermath
The award demonstrated the group's ability to execute major international oil and gas projects in the Gulf region.
Contract value. $1.2 billion (January 2009)
1972
Consolidation under the Técnicas Reunidas nameStrategyBackground
The company had absorbed Tecniresa as it developed beyond its original Lummus Española structure.
Action taken
It adopted the Técnicas Reunidas name and continued as an integrated Spanish engineering and construction business.
Aftermath
The new identity became the basis for later international expansion and the formation of a broader group of specialized operating companies.
Sources1 sources
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