Fresnillo specializes in exploring and producing precious metals. Net sales (including intragroup) break down by family of products as follows:
- silver (52.6%): 37.9 million ounces produced in 2011. The group is the world's leader of primary silver;
- gold (43.7%): 448,866 ounces produced. Fresnillo is Mexico's No. 2 gold producer;
- lead (1.9%);
- zinc (1.8%).
At the end of 2011, the group had 5 mines located in Mexico (Fresnillo, Ciénega, Herradura, Saucito and Soledad-Dipolos).