SIECSA, Construcción y Servicios, SA is a regional construction company , founded in Cantabria in 1976 and whose trajectory has placed it as a benchmark in the construction sector and complementary services under the SIEC brand.The SIEC construction company belongs to Grupo Empresarial SIECSA GROUP, which also includes other companies dedicated to the manufacture of concrete, aggregates and complementary services, such as the management of parkings or tourist farms. As a construction company, SIEC is responsible for works major in Cantabria and neighboring provinces.