Compañía de Minas Buenaventura S.A.A. is involved in the exploration, mining, development, processing, and trading of precious and base metals, with a focus on gold, silver, lead, zinc, and copper. The company operates several mining units across Peru, including Tambomayo, Orcopampa, Uchucchacua, Julcani, and San Gabrie. Additionally, Compañía de Minas Buenaventura S.A.A. owns interests in various other mines and produces manganese sulphate monohydrate and operates hydroelectric power plants.