United States Antimony Corporation produces and sells antimony and zeolite products. The Company's antimony mining properties, mill and metallurgical plant are located in the Burns Mining District of Sanders County, Montana 15 miles west of Thompson Falls. It also owns 100% of Bear River Zeolite Company (BRZ). BRZ has a lease with Webster Farm, LLC. The Company owns 50% of the common stock of United States Antimony, Mexico S.A. de C.V. (USAMSA). It produces antimony oxide products of different particle sizes using proprietary furnace technology, several grades of sodium antimonate using hydro metallurgical techniques and antimony metal. The Company's lease with BRZ entitles the latter to surface mine and process zeolite on property located near Preston, Idaho in exchange for a royalty payment.