• American Bumper Manufacturing Co.
  • Cambridge
  • Carlisle Engineered Products
  • Chivas Products. Ltd.
  • E.B. Eddy Paper, Port Huron, MI
  • Excel Circuits Company

  • Hillsdale Tool

  • HS Processing

  • JAC Products

  • Key Plastics, Inc.

  • LORRO, Inc.

  • Owens Illinois

  • Pioneer Metal Finishing, Inc.

  • Rousch Racing

  • St. Clair Plastics

  • US Manufacturing
  • Venture Plastics