The group's principal activities are exploration, extraction, concentration and marketing of polymetallic minerals. It operates 3 mining units located in Julcani, Uchucchacua and Orcopampa in Peru and has control in 4 Peruvian mining companies in Colquijirca, Antapite, Ishihuinca, Shila and Paula. Other activities include transmission of electric energy and provision of engineering services related with the mining industry.