?- Siemens Digital Industries Software (Siemens AG)
- Robert Bosch GmbH
- Continental Engineering Services GmbH (Continental AG)
- Bertrandt AG
- Schaeffler Engineering GmbH
- Autoneum Holding Ltd
- IAC Acoustics (Catalyst Acoustics Group)
- AVL List GmbH
- EDAG Engineering Group AG
- FEV Group GmbH
- Spectris PLC
- Adler Pelzer Holding GmbH