W. A. Thomas Company

  • "WA Thomas has been a leading manufacturer of hard coated aluminum spool valves since 1989.  WA Thomas was the key player in the engineering and development of the first hard coated aluminum spool valves used in the U.S. automotive industry."

  • "We currently have 2 manufacturing plants, located in Chelsea Michigan and Taylor Michigan."

  • WA Thomas has been QS certified for over 15 years.  The first year it was required, we met the standards and have successfully transitioned to each certification change as they were implemented. We are proudly a Tier 1 supplier for Chrysler, hold excellent quality ratings, and are currently IATF 16949 Certificate May 2021-May 2024. Press Link to see certification - IATF 16949

  • "Currently we produce in excess of 30,000,000 precision parts every year and have capacity for beyond 100,000,000."







Outstanding FCA Quality Award



High Volume Production

High Volume Production