TSK’s most significant milestones


  • In 1986 TSK was set up as a company when the electric departments of Erpo Holding merged.
  • German company PHB Weserhütte, specialised in the design and supply of facilities for mineral storage and handling, was acquired in 1995.
  • TSK began working in the environmental field in 1999, focusing on the turnkey installation of water treatment plants.
  • TSK became the main shareholder in listed company Duro Felguera when it purchased 16% of the company in 2000.
  • The first international subsidiaries were established in Morocco and Venezuela in 2003 and the ones in Brazil, Chile and Nicaragua followed.
  • Working in the solar photovoltaic field began in 2006 and two years later in the thermosolar sector.
  • In 2007 the engineering firms, Ingemas and Irelsa, were acquired and the Company stepped down from the Duro Felguera Board of Directors in 2007.
  • Expansion to the Middle East began in 2010 with projects in Saudi Arabia, India and Bangladesh.
  • In 2013 TSK acquires the German engineering company Flagsol, a company specialized in the thermosolar sector.
  • In 2016 it acquires Intecsa Oil & Gas, a company with more than 50 years of experience in the gas sector.

  • In 2017 its engineering subsidiary Ingeteam Holding is acquired, a company with proven experience in power plant engineering and construction (biomass, thermosolar, conventional)


In 2016 TSK reaches a turnover of 1000 million Euros, with more than 1,000 professionals and international presence in more than 35 countries, confirming its position as a leading company in technology with a strong presence in the sectors of international Industrial Engineering and Construction.


historia