COMSA specialises in the construction, maintenance and renovation of roadways and highways both in Spain and on an international level.

Its main domestic projects include Avenida de Daroca with O’Donnell (Madrid), several sections of the Cantabria Highway (A-8), and the Extremadura-Valencia highway (A-43). COMSA's broad experience has enabled the company to obtain roadway works in the European and Latin American markets.

The Group also operates in this sector in Spain through GICSA (Integral Management and Conservation), a company engaged in the conservation and maintenance of transport infrastructures, especially highways.

see list of works