Tronics Microsystems, a TDK Company

Tronics Microsystems is an inertial MEMS sensors solutions supplier established in Grenoble, France in 1997.  

After a successful international growth, we were introduced on the Euronext stock market in 2015 (ticker symbol ALTRO). We are now proud to be majority-owned by TDK since 2017 and to be part of TDK Sensors Systems Business Company. 

We operate a MEMS production facility in Crolles, near Grenoble since 2003. We had made an early commitment to quality, and we have been ISO9001 certified since 2001. Since our acquisition by TDK, we have further reinforced our Corporate Quality Policy. We are now EN 9100 certified since 2024, and our ISO14001, ISO45001 and ISO50001 certifications attest our commitment to reducing our environmental impact. As a proud member of TDK, we also follow the Sustainability rules.