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MINAS DE ALMADÉN Y ARRAYANES, S.A., S.M.E. (MAYASA) was incorporated on March 31st 1982 as their autonomous entity ”Consejo de Administración de Minas de Almadén y Arrayanes”(Board of Directors of the Almadén and Arrayanes mines).

The main activity of MAYASA is focused on the promotion of industrial, touristic and cultural projects and implementation initiatives for the development of research projects and new technologies related to mercury and other potentially toxic metals.

It also performs farming and stockbreeding activities carried out in its country estates, well as restoration and maintenance activities on the Company’s historical heritage, and effort aimed at restoring the surrounding environment.

The company is a member of the group of state-owned companies which make up the Sociedad Estatal de Participaciones Industriales (SEPI).