The PolyMet Mining Corporation, is based in Minnesota, United States with corporate headquarters in Toronto, Canada. It controls rights to the NorthMet Deposit in the Mesabi Range.
PolyMet stands at the forefront of the next generation of mining in Minnesota. We are preparing to extract essential resources from the NorthMet copper-nickel-precious metals ore body with sustainable mining practices that protect our people, our communities and our natural surroundings. Learn more.