Compañía de Minas Buenaventura S.A.A., a precious metals company, engages in the exploration, mining, and processing of gold, silver, lead, zinc, and copper metals in Peru. The company operates five directly operating mining units, including Uchucchacua, Orcopampa, Julcani, Mallay, and Breapampa; and two mining unites that are under development stage comprising Tambomayo and San Gabriel. It also owns interests in Colquijirca-Marcapunta, Tantahuatay, and La Zanja mines, as well as Tantahuatay, Yanacocha and Cerro Verde mines. In addition, the company provides electrical transmission services; energy generation services through hydroelectric plants; and geological, engineering, design, and construction consulting services to the mining sector, as well as engages in chemical processing activities. Compañía de Minas Buenaventura S.A.A. was founded in 1953 and is headquartered in Lima, Peru.