USAC is a publicly traded (NYSE: UAMY) natural resource company and the only significant antimony producer in the United States — vertically integrated across mining, milling, smelting, and sales.
United States Antimony Corporation produces two strategically vital minerals — antimony and clinoptilolite zeolite — each with a distinct and wide-ranging role in modern industry. Antimony drives performance in flame retardants, electronics, defense, and advanced semiconductors. Bear River Zeolite purifies water, enriches soil, and remediates environmental contaminants. Together, they represent USAC’s commitment to supplying domestic critical materials across industrial, agricultural, and emerging technology markets.
Infrared detectors, next-gen chip material (post-silicon research), vidicon camera tubes
