Companies

United States Antimony Corporation

NYSE MKT: UAMY
$3.68
▼ $0.04 (−1.08%) today
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UAMY at a Glance

Earnings
Next report
Nov 10, 2026

NYSE MKT: UAMY

About United States Antimony

United States Antimony Corporation (UAMY) is a critical minerals company focused on the mining, processing, and sale of antimony and zeolite products. The company operates antimony processing facilities in Thompson Falls, Montana and Madero, Mexico, a flotation mill in Radersburg, Montana, and zeolite operations. UAMY holds a $245 million sole source antimony contract with the U.S. Defense Logistics Agency (DLA), positioning it as the domestic supplier of military-specification antimony ingots exceeding 99.5% purity. The company is expanding its mining operations across Montana (Stibnite Hill), Alaska (Ester Dome, Nolan Creek, MK copper deposit), and Ontario, Canada (Fostung tungsten). It also operates a hydrometallurgical processing facility in Bolivia and is advancing a joint venture with Americas Gold and Silver Corporation in Idaho to process antimony-bearing complex materials including tetrahedrite. The zeolite segment serves applications including cattle nutrition and has demonstrated strong growth. UAMY holds an approximately 10% strategic equity investment in Larvotto Resources Limited, an Australian-listed company. The company has received Defense Production Act grant funding and has pending grant applications totaling $275 million with federal agencies. Updated

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What does United States Antimony do?

United States Antimony Corporation (UAMY) is a critical minerals company focused on the mining, processing, and sale of antimony and zeolite products. The company operates antimony processing facilities in Thompson Falls, Montana and Madero, Mexico, a flotation mill in Radersburg, Montana, and zeolite operations.