| 2006 |
- VA TECH JST leaves the Siemens group and becomes JST Transformateurs |
| 2005 |
- VA TECH JST rejoins the Siemens group |
| 2001 |
- Jeumont Schneider Transformateurs S.A. becomes a subsidiary of VA TECH Transmission & Distribution, and is now called VA TECH JST S.A.
|
| 1997 |
- Environmental Certification ISO 14001 in March 1997 (First industrial site in the Rhône to be certified) |
| 1995 |
- Quality Certification ISO 9001 obtained |
| 1989 |
- Creation of S.A. Jeumont-Schneider-Transformateurs (JST LYON) |
| 1978 |
- Abandonment of the Westinghouse license and the development of our own technology |
| 1964 |
- Creation of the company Jeumont Schneider through the merger of the companies Jeumont and Matériel Électrique Schneider-Westinghouse |
| 1949 |
- Adoption of the WESTINGHOUSE USA license ("sheathing technique") |
| 1929 |
- Creation of the company Le Matériel Électrique Schneider-Westinghouse on July 1, 1929 by Schneider and Westinghouse Electric |
| 1905 |
- Creation of the Lyon factory |