Compania de Minas Buenaventura S.A.A. engages in the exploration, mining, and processing of gold, silver, and various metals in Peru and internationally. It primarily produces refined gold, and various metal concentrates, including silver-lead concentrate, silver-gold concentrate, zinc concentrate, and lead-gold-copper concentrate. The company operates six mines comprising Julcani, Recuperada, Uchucchacua, Orcopampa, Antapite, and Ishihuinca; and holds controlling interests in two mining companies, which operate the Shila-Paula and Colquijirca mines. Compania de Minas Buenaventura also owns an electric power transmission company; an engineering services consulting company; and interests in various mining companies. It sells its metal concentrates to smelters, traders, and banks principally in Peru, Europe, North America, Asia, Oceania, and South America.