The company has been making prefabricated concrete since 1929 and was a pioneer in the manufacture of products such as the solid concrete block made from basic slag (1929), shaped balustrades -1940-, road kerbs -1955-, enclosure posts -1957-, urban fittings in concrete etc. -1975-, and many more products.
The manufacture of prefabricated items began in Errenteria -1929-. In 1957 new installations were built in Oiartzun and, finally, the company transferred to their current premises on an industrial estate, also in Oiartzun in 1986.
