United States Antimony Corporation (USAC) is engaged in the production and sale of antimony and zeolite products. The Company's antimony smelter and precious metals plant is located in the Burns Mining District of Sanders County, Montana, approximately 15 miles west of Thompson Falls. It holds two patented mill sites where the plant is located. The Company owns 100% stock, equipment, and the lease on real property of United States Antimony, Mexico S.A. de C.V. (USAMSA), which owns the San Miguel property. The Company produces antimony oxide, sodium antimonate, antimony metal and precious metals. USAC also sells antimony metal for uses in bearings, storage batteries and ordnance. The Company owns 100% of Bear River Zeolite Company (BRZ).