En Grupo Minero FG S.A. de C.V.

Privately held company that operates out of Hermosillo was formerly known as Exploraciones Eldorado and was the operating company that actually ran the La Colorada Au-Ag mine in Sonora. It produced 360,000 ounces in 7 years of production.

Assoc de Mineros de Sonora A.C. Agenda Minera 2002