11:11 AM EDT, 04/30/2025 (MT Newswires) -- United States Antimony ( UAMY ) said Wednesday it is expanding its antimony smelting operations in Thompson Falls, Montana.

The company said it has executed a definitive agreement with WSP USA to complete engineering and construction services for the project.

The firm also said the expansion would raise the production capacity to over 300 standard tons per month by the end of 2025 at an estimated capital expenditure budget of under $15 million.

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