Calera de Alzo

Mining resource of high quality with a wide experience in the manufacture of aggregates, limes and derivatives.

Calera de Alzo operates in the municipality of Altzo (Gipuzkoa); it has a high quality mineral resource and extensive experience in the manufacture of aggregates, limes and derivatives, allowing it to be considered as a benchmark supplier for the different sectors that its products are used in.

Today, it uses the latest technology and has can respond rapidly to the demands of its clients. Its spirit of innovation and growth enables it to develop different products and services in order to meet the needs of its clients.

  • ISO 9001 AENOR
  • ISO 14001 AENOR
  • CE