About Gray Manufacturing


Company Information

A Division of Irwin Car, Gray Manufacturing Industries is a company focused on supplying goods and technical services to the transit industry.  GMI provides technical consulting as well as new and overhauled components to transit authorities and OEM’s.GMI was started in 2006.  Our management team has over 90 years of experience in the rail transit industry and our staff has a combined total of more than 250 years of transit experience.

Fact Sheet

  • 43,000 square feet manufacturing space
  • 2,500 square feet administration space
  • Autocad drawing capability
  • SOLIDWORKS 3D modeling capability
  • DITMCO testing capability
  • ISO 9000 based quality system
  • CO2 blasting system
  • Sand blast and paint operation
  • New component assembly
  • Overhaul component assembly
  • Syspro ERP system

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