- Continental AG
- Pacific Industrial
- Schrader Electronics
- Delphi Automotive
- Hella KGaA Hueck & Co.
- ZF TRW
- Valor TPMS
- Valeo
- DENSO Corporation
- ALLIGATOR Ventilfabrik GmbH
- Advantage PressurePro Enterprises Inc.
- Alps Electric Co. Ltd
- Sensata Technologies
- Huf Electronics