Fresnillo Plc is a holding company, which engages in the production of gold and silver. It operates through the following segments: Fresnillo, Saucito, Cienaga, Herradura, Noche Buena, and San Julian. The Fresnillo, and Saucito segments are located in the state of Zacatecas, an underground silver mine. The Cienega segment includes San Ramón satellite mine which are both located in the state of Durango, an underground gold mine. The Herradura, and Noche Buena segments are located in the state of Sonora, a surface gold mine. The San Julian segment operates on the border of Chihuahua/Durango states, an underground silver-gold mine. The company was founded on August 15, 2007 and is headquartered in Mexico City, Mexico.