?- AVL List GmbH
- Bertrandt AG
- EDAG Engineering GmbH
- IAV GmbH
- HORIBA Ltd
- Altran (Capgemini Engineering)
- FEV Group GmbH
- MBtech Group GmbH (A subsidiary of AKKA Technologies)
- Alten GmbH
- P3 Automotive GmbH
- Altair Engineering Inc.
- ITK Engineering GmbH (Robert Bosch GmbH)
- ESG Elektroniksystem- und Logistik-GmbH
- RLE International Group
- ASAP Holding GmbH
- Kistler Holding AG