Costanor S.XXI S.L and its subsidiary Costadrago S.L. (for the Canary Islands region), we are companies specialized in the supply, elaboration and assembly of passive steel (rebar) for reinforced concrete structures, which are born and are the result of the work and experience that has been forged in the sector during the last forty years.

Our company is made up of a sufficiently qualified and specialized human team to work with our clients on large public and private works projects. We participate in the execution of projects for highways, chimneys, shopping centers, hydraulic and agricultural works, foundations of wind farms and especially maritime works during the last two decades, which positions us as one of the main companies in the sector throughout the territory national, with specific participations in international being a benchmark and a leading company in the sector.

Headquartered in Viveiro (Lugo), it offers its clients the particularity of positioning their workshops on site, with the aim and purpose of giving immediate response during the execution of the work. Also, if circumstances do not allow it, we have our facilities with our own workshops equipped with advanced machinery and equipment necessary to be able to provide the corrugated steel marketing service, supplied, elaborated and transported to work for subsequent assembly on site with qualified human teams. , committed to quality and work scheduling deadlines.