Welcome to Coalvi
Efficiency and innovation.
Permanent commitment to safety, quality, and the environment.
COALVI, S.A. is Aldesa Group’s company that specializes in construction, repair, conservation, and modernization of railway works: track, electrification, tunnels and infrastructures.
The railway activity par excellence of the company is the maintenance of both conventional and high-speed track.
The company owns a large fleet of specific machinery, both heavy and light, that require different jobs on the track and in the catenary: plain line and track device tampers, roll forming machines, portal frames for replacing switches, locomotives, trailers and platforms, railway trucks, etc.
More than 60 years of experience in the field.
Coalvi has participated in all types of railway projects, such as the development of the High-speed network in Spain, and currently in Mexico with the infrastructures of metropolitan lines, demonstrating the quality of its construction practices and its firm vocation to service-- fundamental aspects for the optimal operation of railway transport.