Start Presentation Works and services Sustainability References and clients PRESENTATION CONSTRUCTORA DE CASTRILLÓN, SA (CONCASA), is a construction and services company backed by 50 years of experience. READ MORE WORKS AND SERVICES Fields and sectors in which CONCASA mainly focuses its activity. READ MORE SUSTAINABILITY Quality and sustainable development. READ MORE REFERENCES AND CLIENTS Get to know some of the works carried out by CONCASA. READ MORE Concasa Constructora de Castrillón SA A GLENCORE COMPANY Tlf. 985 53 20 94 - Fax 985 50 72 46 La Fábrica 48 - 33450 - Arnao (Castrillón) - Asturias Copyright: the information and photographs published on this website are protected by intellectual property laws, so it is not allowed to copy their content in whole or in part without the authorization of the owner.