Antimony Companies

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 United States Antimony Corporation (NYSE American: UAMY) is a vertically integrated mining and processing company specializing in antimony, zeolite, and precious metals. Founded in 1968 and headquartered in Dallas, Texas, the company operates smelters and mills in Montana and Mexico, making it the only significant domestic antimony smelter in the U.S. ​ 

As of April 28, 2025, UAMY's stock is trading at $3.36 USD per share with approximately 114 million shares outstanding. 

The company has recently focused on expanding its domestic antimony supply chain by reactivating U.S. historical antimony deposits and increasing raw material supply from third parties worldwide. 

 Perpetua Resources Corp. (NASDAQ: PPTA, TSX: PPTA) is a U.S.-based mining company focused on responsibly redeveloping the historic Stibnite Mining District in central Idaho. The company's flagship initiative, the Stibnite Gold Project, aims to restore an abandoned mine site while producing gold and antimony. 

 As of April 28, 2025, Perpetua Resources' stock is trading at $14.22 USD with approximately 71 million shares outstanding.

Mandalay Resources (TSX: MND) produces antimony as a byproduct at its Costerfield Mine in Victoria, Australia. The mine is one of the few Western sources of antimony, a critical mineral used in defense and clean energy. In 2024, Costerfield produced 1,282 tonnes of antimony and contributes about 2% of global supply. Mandalay sells its gold-antimony concentrate primarily to Chinese smelters and is exploring nearby targets to extend production.

As of April 28, 2025, MND is trading at $4.03 USD with approximately 94 million shares outstanding. 

 New Age Metals Inc. (TSX.V: NAM; OTCQB: NMTLF) is a Canadian junior exploration company actively developing a portfolio of gold-antimony (Au-Sb) properties in Newfoundland, Canada. In early 2025, the company expanded its land holdings to approximately 19,125 hectares across eight non-contiguous properties, strategically located near the Beaver Brook Antimony Mine—Canada’s only primary antimony producer—and New Found Gold’s Queensway South Project. 

 These acquisitions position New Age Metals to capitalize on the growing demand for antimony, a critical mineral used in defense technologies, batteries, and flame retardants. The company is currently compiling and interpreting geological, geochemical, and geophysical data to define high-priority targets, with field exploration planned for summer 2025. ​ 

The Company is currently trading at $0.11 CAD with approximately 55 million shares outstanding