United States Antimony Corporation produces and sells antimony, zeolite, and precious metals in the United States and Canada. It operates in two segments: Antimony and Zeolite. The company offers antimony trioxide 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 metal for use in bearings, storage batteries, and ordnance; and antimony trisulfide used as a primer in ammunition.