- Viuda de Sainz builds, operates, maintains and manages all types of civil and construction works, both public and private, and provides all kind of related services, being a regional leader in the aforementioned activities.
- Viuda de Sainz has executed dozens of projects that have contributed to improve regional communication networks, with highways, bridges, tunnels, viaducts, subway lines, environmental infrastructures, home and industrial building, public and private equipment favoring cross-section permeability of the territory and the growth of the Basque Country industrial and socioeconomic environments.
Viuda de Sainz