Fresnillo plc mines, develops, and produces non-ferrous minerals in Mexico. It operates through seven segments: Fresnillo, Saucito, Ciénega, Herradura, Noche Buena, San Julián, and Other. The company primarily explores for silver, gold, lead, and zinc concentrates. Its projects include Fresnillo silver mine located in the state of Zacatecas; Saucito silver mine situated in the state of Zacatecas; Ciénega gold mine located in the state of Durango; Herradura gold mine situated in the state of Sonora; Noche Buena gold mine located in the state of Sonora; and San Julián silver-gold mine situated on the border of Chihuahua/Durango states. The company has mining concessions covering an area of approximately 1.7 million hectares of surface land in Mexico. It also leases mining equipment; produces gold/silver doré bars; and provides administrative services. The company was founded in 1887 and is headquartered in Mexico City, Mexico. Fresnillo plc is a subsidiary of Industrias Peñoles S.A.B. de C.V.