Fresnillo 

Fresnillo plc is a major mining firm based in Mexico, specializing in the exploration, development, and extraction of non-ferrous minerals. The company's primary focus is on discovering and producing precious metals like silver and gold, as well as base metals such as lead and zinc concentrates. Its operations are structured across seven distinct segments, which include key sites such as the Fresnillo and Saucito silver mines in Zacatecas, the Ciénega gold mine in Durango, the Herradura and Noche Buena gold mines located in Sonora, and the San Julián silver-gold mine situated on the border of Chihuahua and Durango states. Fresnillo maintains extensive mining concessions across approximately 1.7 million hectares of land throughout Mexico. Beyond its core mining activities, the company also provides services such as leasing mining equipment, producing gold and silver doré bars (unrefined metal), and offering administrative support. Established in 1887, Fresnillo plc is headquartered in Mexico City and operates as a subsidiary of Industrias Peñoles S.A.B. de C.V.