AITEMIN (Association for Research and Industrial Development of Natural Resources) is an industrial research association, with a private non-profit character. AITEMIN is active in sectors such as mining, civil engineering, construction materials, environment, geology, radioactive waste management and other related fields. AITEMIN was founded in 1977 and has four working centers in Spain, respectively in Leganés-Madrid (Headquarters), Toledo, Mieres (Asturias) and León where it holds different laboratories, workshops and experimental installations.