Mejores empresas de tratamientos térmicos en España

Explore the leading heat treatment companies in Spain, essential for optimising mechanical properties such as strength and dimensional stability of various materials. Discover providers specialising in preheating, refractory curing, and post-weld heat treatment (PWHT). This guide highlights the most innovative and reliable companies in the sector, including those with ISO and NADCAP certifications, offering advanced solutions for the metallurgical and manufacturing industries. Find the ideal company for your thermal processing needs.

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  1. 1

    APLITEC - APLICACIONES TERMOTÉCNICAS, S.L.

    262 Global Votes

    APLITEC specializes in industrial heat treatments, offering furnaces, spare parts, and tooling for processes such as vacuum treatment, brazing, and drying. Its experience and exclusive representation of international brands like BMI and RD in Spain demonstrate its capability to provide advanced, high-quality solutions in this field.

  2. 2

    Cooper Tratamientos Térmicos

    174 Global Votes

    Cooper Tratamientos Térmicos, S.A. provides a comprehensive range of industrial heat treatment services, including refractory drying, curing, and treatments in fixed or modular furnaces. Their expertise covers design, procedure development, and the application of chemical treatments and coatings for metal parts, showcasing their integrated capabilities in the sector.

  3. 3

    Intec-Heat (Grupo Aldomer)

    0 Global Votes

    Intec-Heat boasts over 35 years of experience in the heat treatment sector, offering specialized services such as preheating and post-weld heat treatments. Its long-standing trajectory and the quality of its services establish it as a key player in the Spanish industry.

  4. 4

    GHI Hornos Industriales

    0 Global Votes

    GHI Hornos Industriales is a benchmark in the sector due to its nearly a century of experience in manufacturing industrial furnaces and advanced heat treatment solutions. The company stands out for its ability to design and supply high-precision and energy-efficient furnaces, including 50-ton bell furnaces operating at 900 °C, meeting the demands of international clients. Its focus on innovation and the development of sustainable aluminum recycling plants underscores its technological leadership in the Spanish market.

  5. 5

    FORNS HOBERSAL SL

    0 Global Votes

    FORNS HOBERSAL SL stands out for its over 75-year trajectory in manufacturing high-quality furnaces and ovens for industrial and laboratory heat treatments. Their experience and the capability of their equipment to reach temperatures up to 2000ºC demonstrate deep specialization in the sector. The company offers a wide range of heating solutions, from muffle furnaces to vacuum systems, ensuring optimal performance and durability.

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  7. 6

    Baster Tratamentuak, S.L.

    0 Global Votes

    Baster Tratamentuak, S.L. stands out for its extensive experience of over 15-20 years in the heat and surface treatment sector. The company offers a comprehensive range of services, including technical particle cleaning and chemical treatments, adapting to the specific needs of each client and part.

  8. 7

    Eisenor, S.A.

    0 Global Votes

    Eisenor, S.A. specializes in heat and thermo-chemical treatments, applying the most suitable combination of material and treatment for each part's specific function. Its expertise in steel machining and the manufacturing of high-precision components, such as false guides, demonstrates its technical capability and quality in the sector.

  9. 8

    Cogaltra

    0 Global Votes

    Cogaltra specializes in heat treatments that modify the microstructure of metals to optimize their mechanical properties, such as strength and hardness. It offers a comprehensive range of services, including annealing, normalizing, hardening, and tempering, which are essential for industry.

  10. 9

    FAED (Miranda de Ebro, Castilla y León)

    0 Global Votes

    FAED operates from Miranda de Ebro, a location with a Technology Center that boosts industrial competitiveness, indicating a favorable environment for heat treatment companies. Its location in Castilla y León, a region with a strong industrial sector, reinforces its capacity to offer specialized services in this field. The company contributes to local and regional industrial development through its activity.

  11. 10

    Bautermic, S.A.

    0 Global Votes

    Bautermic, S.A. manufactures industrial ovens capable of performing a wide variety of heat treatments, such as tempering, annealing, and quenching, which are essential for industry. Its focus on technology and adaptation to specific client needs positions it as a key provider in the heat treatment sector in Spain.

  12. 11

    Grupo Emison

    0 Global Votes

    Grupo Emison specializes in the trade of second-hand heat treatment furnaces, providing a sustainable and cost-effective alternative for businesses. Its focus on equipment such as NABATHERM W 1260 furnaces allows industries to access quality thermal processing technology at an optimized cost.

  13. 12

    Hornos del Vallès, S.A.

    0 Global Votes

    Hornos del Vallès, S.A. specializes in the design and manufacture of furnaces for heat and surface treatments, offering customized solutions of high reliability and quality. Its long history and experience in the industrial sector support its ability to develop equipment tailored to the most demanding client needs.

  14. 13

    Proycotecme, S.L.

    0 Global Votes

    Proycotecme, S.L. specializes in the manufacturing and maintenance of industrial furnaces for heat treatments, providing tailored solutions for various applications. Its expertise in designing and producing equipment adapted to client needs, coupled with its comprehensive technical assistance service, establishes it as a key player in the sector.

  15. 14

    Especialidades Térmicas S.A.

    0 Global Votes

    Especialidades Térmicas S.A. boasts over 40 years of experience in heat treatment services for steels and non-ferrous alloys, demonstrating profound expertise and knowledge in the sector. Its presence in Barcelona, Catalonia, and its ability to offer advanced metallurgical solutions establish it as a key player in the Spanish market.

Frequently asked questions

This ranking evaluates leading companies in Spain that offer heat treatment services, considering their experience, specialized technologies, and the quality of their solutions to optimize material properties such as mechanical strength and dimensional stability.
Companies can be considered for the ranking if they demonstrate expertise in heat treatments, offer innovative solutions, and have a relevant presence in the Spanish market, such as Intec-Heat or Aalberts surface technologies TEY.
The ranking results highlight companies that have proven to be key providers of heat treatment solutions in Spain, based on their track record, the breadth of their services, and their industry recognition, such as Bodycote or ALD.
Yes, certifications such as ISO and NADCAP are an important factor, as they demonstrate a company's commitment to quality standards and excellence in its heat treatment processes, as is the case with Aalberts surface technologies TEY.

How we built this ranking and what to consider when choosing

Our methodology for ranking heat treatment companies in Spain is based on a comprehensive evaluation of their industry impact, technological innovation, and customer satisfaction. We aim to highlight entities that not only meet but exceed industry standards.

  • The company's relevance in the Spanish heat treatment market is considered, including its participation in industry events like the SPAIN HEAT TREATMENT CONGRESS 2026.
  • Experience and specialization in various heat treatment technologies are valued, such as refractory curing, preheating, and post-weld heat treatment (PWHT), offered by companies like Intec-Heat.
  • The companies' ability to offer tailored solutions and their commitment to optimizing critical material properties, such as wear resistance and dimensional stability, is examined.
  • The presence of internationally recognized quality certifications, such as ISO and NADCAP, which endorse operational excellence and service reliability, is taken into account.
  • Innovation in processes and equipment is considered, including the use of advanced technologies such as vacuum heat treatment or CO₂-free plasma burners, like those developed by TPS.
  • Companies must have a significant and recognized operation within Spanish territory, demonstrating a strong presence in the heat treatment sector.
  • Priority is given to companies with a proven track record and considerable experience in the industry, offering specialized and high-quality services.
  • Advanced technological capabilities are valued, including a wide range of furnaces and the ability to precisely control heat cycles to optimize material properties.
  • The provision of comprehensive solutions, from preheating to post-weld heat treatment, and the ability to serve diverse markets such as automotive and mechanical engineering, are key criteria.
  • Companies demonstrating a commitment to quality through relevant certifications (such as ISO, NADCAP) and a solid industry reputation will be favorably considered.