COMSA covers all aspects of railway line construction.
It has a team of highly-qualified specialists in engineering projects, project management and railway infrastructures and superstructures (for conventional and high-speed railways, tramways and metropolitan and regional railways) using ballast as well as innovative solutions such as slab track.
Its use of new technology and its quality and research combined with the experience it has built up over the years enable COMSA to carry out numerous projects both in Spain and abroad.
