Key Players
- American Axle & Manufacturing
- Böllhoff Group
- Cummins
- Cummins-Meritor
- Dana Corporation
- GSP Automotive Group
- Global Leaders
- American Axle & Manufacturing Holdings
- Hyundai WIA Corporation
- JTEKT Corporation
- NTN Corporation
- National Aerospace Fasteners Corporation
- Neapco Holdings LLC
- Precision Castparts Corp
- SKF
- Schaeffler Group
- Specialist Suppliers
- Zeppelin Foundation
