History Jean BARRAULT Thermic Engineer (1900-1980)
History: René-Louis BARRAULT
ASIE:( Analysis, Synthesis And Innouvation For Economies)
R.L And O.B: Growth And Transmission
Company Developed Into Group



Edmond Rothschild: part of famous Group Rothschild became shareholder to strengthen capital and carry out projects.




Aerothermis: situated in Brignais (69) became progressively Barrault Recherche’subsidiary.

 Directed by Mr. Patrice SACHOT.




Technique Maintenance Energies: became subsidiary.

 Directed by Mr. Alain SCHVOB.

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