Metaldyne
- Manufactures metal-formed components, assembly, and modules for the global automotive and transportation industry and automotive aftermarket. Includes overview, product information and contact details. Corporate headquarters.
- http://www.metaldyne.com/

Freudenberg-NOK
- Manufacturer with a background in chemicals, polymers, and rubber products specializing in automotive sealing, automotive vibration, and general industrial seals.
- http://www.freudenberg-nok.com/

Federal Fluid Power, Inc.
- Manufacturer and distributor of fluid power and hydraulic components. Information on Dynex and Zinga valves and filters.
- http://www.federalfp.com/

Diamond Tool Manufacturing
- A full service diamond and CBN electroplated tooling manufacturer. Description of products, contact information.
- http://www.diamondtool.thomasregister.com/

Mechatronics - Plymouth Michigan
- A division of Enprotech Corporation. Michigan distributor electronic controls, servo motors and other electronic needs. Carrying absocoder, meiden, NSD, NSK, sanyo denki, sumtak, toyoda, universal controls and other brand names.
- http://www.thomasregional.com/gm/mechatronics/