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About COMSA Corporación
Mission, vision and values
Where we are
Maintenance, conservation and services
Infrastructures concession and renewable energies development
Ethics and Compliance
Vision of innovation
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Images of COMSA Corporación's activities and projects
Bridge over the Araguaia River (Brazil)
São Paulo (Brazil) Metro Line 4
Odense tramway construction (Denmark)
ITS systems installation in the Mulatos Tunnel (Colombia)
Balears Wharf execution at the Port of Tarragona (Spain)
Levante high-speed railway line, Villarrubia de Santiago - Cuenca section (Spain).
Electrification of Line 9 of the Barcelona Metro.
A-62 Castilla Dual Carriageway. Section: Fuentes de Oñoro - Border with Portugal, Salamanca.
Duplication of the BR101 road between the cities of Rio Largo, São Miguel dos Campos and Teotônio Vilela (Brazil).
Construction of Line 4 of the São Paulo Metro (Brazil).
Deza viaduct, high-speed line in Pontevedra, Galicia (Spain).
Neoballast application in a test section, Caldes de Malavella (Spain).
Telecommunications infrastructure network framework contract for Cellnex (Spain)
Laying of double track between Tibble and Visinge stations in Täby (Sweden)
Extension of the FGC line underground in Sabadell (Barcelona, Spain)
Maintenance of ornamental fountains in the city of Paris.
Construction of the Tissemsilt WWTP (Algeria).
Construction of an office building in the 22@ district of Barcelona.
Maintenance of photovoltaic panels at the Port of Tarragona facilities.
Design and construction of an ILS/DME CAT I navigation system at Poznan Airport (Poland)
Construction of the new headquarters for the company Natura Bissé in Cerdanyola del Vallés (Barcelona)
Construction of the Antequera - Granada high-speed line (Spain).
Maintenance of the Gran Teatre de Liceu facilities.
Eryaman station in the Ankara metro (Turkey)
Upgrading of a 10-kilometre section of the Via Baltica motorway between Kaunas, Marijampole and Suvalkai.
Construction of the railway line between the provinces of Gradec and Sveti Ivan Zabno (Croatia).
Improvement of energy efficiency and maintenance in buildings.
Maintenance of electrical installations at CERN sites in Prevessin (France) and Meyrin (Switzerland).
Control and command centre in the Madrid metro network (Spain).
Maintenance and operation of wind farms.
Installation of boarding bridges and auxiliary equipment at Malaga-Costa del Sol Airport.
Construction of the Santa Cilia - Puente la Reina de Jaca section of the Autovía de los Pirineos (A-21) from Jaca to Pamplona (Huesca).
Construction of high-speed railway section Adamuz-Villanueva.
Construction of the Madrid-Zaragoza-Barcelona-French border high-speed railway line. Section Calatayud-Lleida (Spain)