Expert specialists in
railway vehicle maintenance

Over 50 years of experience
in the railway sector

Latest generation technology
for optimum machinery conservation

Specialists in integral maintenance
rail rolling material

Passion for the maintenance


Comprehensive solutions for rolling stock maintenance

GMF is a company which specialises in railway rolling stock maintenance, the manufacture and marketing of spare parts as well as new equipment design.

With over 50 years of expertise, the organisation provides a comprehensive service which combines efficiency and quality criteria, with optimum safety conditions; it features cutting-edge facilities at highly competitive costs.

GMF Activity sectors

Maximum efficiency and premium quality service

GMF News

Latest news from COMSA Corporación

Maintenance of wind turbines

In addition to GMF’s specialisation in railway maintenance, the company also makes maintenance work on wind turbines. Thus, among

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