Industrias Penoles SAB de CV is a Mexico-based holding company. Through its subsidiaries, the Company is engaged in mining, smelting and refining non-ferrous metals, as well as producing chemicals. It is structured into three core divisions: Exploration, Mining and Metals-Chemicals. In the Exploration area, the Company is active in locating, studying, analyzing and developing deposits of non-ferrous metals in Mexico and Latin America. Though the Mining division, it operates mining facilities, such as Fresnillo, a silver mine; La Cienega and La Herradura, gold mines; Naica, a lead mine, and Francisco I. Madero, a zinc mine. In the Metals-Chemicals area, the Company owns Met-Mex Penoles, a non-ferrous metallurgical complex. Additionally, the Chemicals division is engaged in the production and sale of sodium sulfate, magnesium oxide, magnesium sulfate, and ammonium sulfate.