- Aisin AW Co., Ltd.
- Aisin Seiki
- Akebono Brake Industry Co., Ltd.
- American Axle & Manufacturing Holdings Inc.
- ArvinMeritor Inc.
- Autoliv Inc.
- Behr GmbH & Co. KG
- Benteler Automobiltechnik GmbH
- BorgWarner Inc.
- Bridgestone / Firestone Inc.
- Calsonic Kansei Corp.
- Continental AG
- Cummins Engine Co.
- Dana Corporation
- Delphi Automotive
- Denso Corporation
- DuPont Automotive
- Faurecia
- Federal-Mogul Corp.
- Freudenberg & Co.
- GETRAG
- GKN Plc UK
- Hitachi Ltd. Automotive Systems
- Jatco Ltd.
- Johnson Controls
- Koito Manufacturing Corp.
- Koyo Seiko Co., Ltd.
- Lear Corporation
- Magna International Inc.
- Magneti Marelli Holding S.p.A.
- Mahle GmbH
- Matsushita Electric Industrial Co., Ltd
- Metaldyne
- Michelin
- Mitsubishi Electric Corp.
- Robert Bosch GmbH
- Siemens VDO
- Sumitomo Electric Industries Ltd.
- Takata Corp.
- Thyssenkrupp Automotive AG
- Toyoda Gosei Co. Ltd.
- TRW Corporation
- Valeo
- Visteon Automotive Systems
- Yazaki Corporation
- ZF Friedrichschafen