Fresnillo plc is a holding company. Through its subsidiaries, the Company is engaged in the mining and beneficiation of non-ferrous minerals, and the sale of related production. The primary contents of this production include silver, gold, lead and zinc. The Company has seven operating mines: Fresnillo, located in the State of Zacatecas, which is primary silver mine; Saucito, located in the State of Zacatecas, an underground silver mine; Cienega, located in the State of Durango, an underground gold mine, including the San Ramon satellite mine; Herradura, located in the State of Sonora, a surface gold mine; Soledad-Dipolos mine, located in the State of Sonora, a surface gold mine; Noche Buena, located in State of Sonora, a surface gold mine, and San Julian, an underground gold and silver miner.