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 Juanicipio. The company primarily explores for silver, gold, lead, and zinc concentrates. Its projects include the Fresnillo silver mine located in the state of Zacatecas; Saucito mine situated in the state of Zacatecas; Ciénega mine located in the state of Durango; Herradura mine located in the state of Sonora; Noche Buena mine located in the state of Sonora; San Julián mine situated on the border of Chihuahua/Durango states; and Juanicipio mine located in the state of Zacatecas. The company also leases mining equipment; produces lead, silver and zinc concentrates and silver precipitates; produces gold/silver doré bars; mines projects; and provides exploration and administrative services. Fresnillo plc 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.