STSI's overload transport activity began in the middle of the 19th century.

 STSI Highlights

♦ 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)

More than 70 years into Business
Full support to worldwide customers
Key partner
Major player in the nuclear industry