United States Antimony Corporation engages in the production and sale of antimony and zeolite products in the Untied States. 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. Its antimony oxide is also used as a color fastener in paints; as a catalyst for the production of polyester resins for fibers and films; as a phosphorescent agent in fluorescent light bulbs; and as an opacifier for porcelains. The company also offers various grades of sodium antimonite for use as a fining agent for glass in cathode ray tubes used in television picture tubes, as well as used as a flame retardant; antimony metal for use in bearings, storage batteries, and ordnance; and precious metals. In addition, it offers zeolite products for various applications, including soil amendment and fertilization, water filtration, sewage treatment, nuclear waste and other environmental cleanup, odor control, gas separation, and animal nutrition. The company’s zeolite products also have applications in catalysts, petroleum refining, building applications, solar energy and heat exchange, desiccants, pellet binding, horse and kitty litter, and floor cleaners, as well as acts as carriers for insecticides, pesticides, and herbicides. United States Antimony Corporation markets its antimony products under the Montana Brand Antimony Oxide name. The company was founded in 1968 and is based in Thompson Falls, Montana.