• INMAGUSA was founded by an Electrical Engineer, Mr. Gustavo Galaz, as a manufacturer of electronic control centers; later he diversified production into making refrigerated control rooms.
  • A group of 15 engineers began a new activity and constructed an elementary heat treatment plant that was situated in the garden of Engineer Galaz.
  • Company growth necessitated a more manufacturing space and property was purchased on the outskirts of Castaños Coahuila.
  • Production of frame rails for the Mexican market started
[1966 - 1976 ]
  • Begin exportation of heat-treated frame rails to the United States, for the FREIGHTLINER plant in Portland, Oregon.
  • Continued to establish and grow a stronger commercial relations with FREIGHTLINER.
  • Production increased up to 80 frame rails per day.
[ 1996 - 2002 ]
  • Certified by the norm ISO 9002.
  • Received QS 9000 certification.
  • Production capacity increased to 1,300 pieces per day.
  • Assemblies production began.
  • A new business division begins, with the production of Tronoconic Pole'.
  • Production of frame rails for Navistar Truck begins.
  • Production increases to 2,100 frame rails per day.