CALCINOR is the leader in Spain and a reference within Europe in the manufacture of lime, calcined limestone and related products. It began as a mining group in 1974 and from its beginnings has sought high-quality raw materials and the application of the best technology available for the manufacture of its products. Currently it has 19 calcination and 3 sintering furnaces, gathers the following companies: - Calcinor Servicios - Calera de Alzo - Cales de Llierca - Andaluza de Cales - Cal de Castilla - Cales de la Plana - Dolomitas del Norte - Aizkibel - Refractarios Kelsen