History
A calcined limestone factory was inaugurated in 1970 in Chilches (Castellón), becaming part of Calcinor in 1987 and changing its name to Cales de la Plana S.A.. With three quarries of its own, Poliola (limestone), Peñanegra (Dolomite) and Enguera (Limestone), its activity covers the extraction of calcium arids and their subsequent calcination and hydration,as well as the manufacture of concrete. Today, Cales de la Plana S.A. is the leading company in its area fot its products range.