United States Antimony Corporation produces and sells antimony, silver, gold, precious metals, and zeolite products in the United States, and Canada. It operates through Antimony, Zeolite, and Precious Metals segments. The company offers antimony oxide that is primarily used in conjunction with a halogen to form a synergistic flame retardant system for plastics, rubber, fiberglass, textile goods, paints, coatings, and paper, as well as color fastener in paints and as a phosphorescent agent in fluorescent light bulbs; antimony trisulfide used as a primer in ammunition; and antimony metal for use in bearings, storage batteries, and ordnance. The company also offers coarse and fine zeolite for soil amendment and fertilizer, water filtration, sewage treatment, nuclear waste and other environmental cleanup, odor control, gas separation, and animal nutrition applications, as well as in catalysts, petroleum refining, concrete, solar energy and heat exchange, desiccants, pellet binding, horse and kitty litter, and floor cleaners, as well as carriers for insecticides, pesticides, and herbicides. In addition, it recovers unrefined and refined gold and silver. United States Antimony Corporation was founded in 1968 and is based in Thompson Falls, Montana.