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Prenaval S.L.

Established in December 1997, the company was set up by its founder Juan Antonio Diez Montes, and since its foundatioon, it has been dedicated to manufacturing steel and assembling blocks and outfitting for the naval sector (hatches, Ro-Ro ramps, car-decks, superstructures, blocks, pontoons, fishing vessels, etc.) However, in recent years, the company has broadened its field of action: civil construction, boilermarking, renewable energy and services.

For that purpose, our company relies on its highly qualified workforce and has cutting-edge technology. Also, we always make our best to adapt ourselves to our customer’s needs.

Preconcreto begins expansion into Brazil


Preconcreto is currently setting up its new facilities in Itatiba (Sao Paulo). Preconcreto has finally decided on a site located in the Sao Paolo neighbourhood of Itatiba which measures 23,000 m2and contains a 2,000 m2 industrial building in which the…

Prenaval closes an agreement with Cintranaval-Defcar


Contract signed with Cintranaval-Defcar. Prenaval has reached an agreement with the Basque company Cintranaval-Defcar to exclusively market that company’s engineering products throughout Brazil. The intention is that this agreement should add strength to our engineering division by being a first…