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.
