GMF
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

Conversion of a track inspection trolley in Portugal
GMF has executed the conversion of a track inspection trolley (draisine) owned by Infraestruturas de Portugal for personnel transport

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

Repair of 5 LDE 2100 locomotives for Saudi Arabia’s high-speed railways
GMF has completed the repair of 5 LDE 2100 locomotives of Saudi Railway, the biggest railway operator in the

Modification of the opening and closing system of the Lisbon Metropolitan doors
GMF has carried out the modification of the opening and closing system of the passenger doors of the Lisbon