Trigg Minerals plans antimony refinery and mine work in Iron and Garfield counties
The state awarded Trigg Minerals (doing business as American Tungsten and Antimony) a post-performance REDTIF tax credit. The company projects 400 new jobs and more than $287 million invested over nine years, including what the state calls the first antimony tertiary refining facility in the U.S.
Source: Utah Governor's Office of Economic Development · checked Sat., Oct. 31, 2026 (MT)