St. Clair County, Michigan, is home to a thriving manufacturing community.  Our region offers key location and business advantages that have brought new manufacturers to our region for years, helping us to build and grow this sector.  Several industrial parks located throughout the region offer close proximity to freeways and other modes of transportation including rail, air and water.  Once located here, many of our manufacturers make additional investments in our region through continued expansion projects.

Automotive Industry Manufacturers

  • Grupo Antolin 
  • ZF Group
  • Mugele of Michigan
  • Mapal
  • ALD Thermal Treatment
  • H.P. Pelzer
  • Norma Group
  • SMR
  • Comau, Inc.
  • Michigan Metal Coatings
  • Keihin Michigan Manufacturing
  • Chassix
  • Dana
  • Mopar
  • International Automotive Components
  • Engineered Plastic Components (EPC)
  • TI Automotive
  • US Farathane
  • Shawmut