1990
- GMN was founded in 1990 as an internal machining section of Tornos Gurutzpe (manufacturer of high capacity CNC lathes).
2005
- In 2005 GMN was set up as an independent company focused on the machining of large components1. Focused on machining for the wind energy sector and machine tools.
- Heavy investment in high-capacity Zayer and CME milling machines
2020
- Investment in new MTE milling machine
- Vertical integration
- Expansion of 2,200 m² of pavilion for the manufacture of large boilermaking, assembly and painting components.
- Strategic reorientation of activity by abandoning the manufacture of wind power components.