STSI's overload transport activity began in the middle of the 19th century.
♦ In 50’s, the gathering of several companies gave birth to the Special Industrial Transport Company, STSI.
♦ First business : Heavyload and oversized transportation on behalf of heavy industry.
♦ From the 1970s to the 1980s, STSI contributed to the construction of the French nuclear fleet by arranging transportation heavy components such as stators, rotors, generators, transformers ...
♦ From the 1980s to the 1990s, first shipments of spent fuels by road and rail.
Therefore, STSI positioned as a major player in the nuclear industry in France
♦ From the 1990s to the 2000s, development of radioactive material transportation over the entire cycle of nuclear material.
♦ Between 2000 and 2010, STSI is a key partner in major maintenance operations carried out as part of the extension of the French nuclear fleet life.
♦ 2010 to 2020, STSI diversified by providing support to its international customers and developing new business.
♦ 2021, Change of shareholder at the end of October 2021
Acquisition of STSI by ORANO Nuclear Packages and Services (ORANO NPS)