Along these years Tecnoproyec has collaborated with public administrations as we can see; Ministry of Public Works, Government of La Rioja, the city council and other corporations.

It has also subscribed contracts with construction companies as Dragados, FFCC, Acciona Infraestructuras, OHL, Copisa, Arián y con empresas de ingeniería como Iberinsa, Acciona Ingeniería, Ideam, ETT and others.