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PolyMet Mining Corp., now a wholly-owned subsidiary of Glencore since November 2023, is an American mining company focused on developing the NorthMet project. This project aims to be Minnesota's first copper-nickel-precious metals mine, situated in the Mesabi Iron Range. PolyMet is committed to responsible mining practices to extract critical minerals essential for modern technologies and the transition to a cleaner energy economy, including copper (for electrical wiring, renewable energy systems), nickel (for stainless steel, batteries), cobalt, and platinum group metals (for catalytic converters, electronics). The NorthMet project is designed to be a modern mining operation with a focus on environmental stewardship and aims to contribute significantly to local and regional economies by providing jobs and essential raw materials.
The St. Paul headquarters handles corporate administration, strategic planning, community engagement, and regulatory affairs for the NorthMet project. Post-Glencore acquisition, these functions are likely closely coordinated with Glencore's broader operations.
Standard corporate office facilities. The company's most notable 'feature' is the extensive NorthMet project site itself, which includes plans for the mine and processing facilities.
The work culture likely emphasizes technical expertise in mining and metallurgy, stringent environmental compliance, project management, and community relations. As part of Glencore, it aligns with a larger, global corporate culture focused on resource development.
The St. Paul headquarters serves as a key liaison point with state regulatory bodies and stakeholders. It is central for managing the complex permitting and development phases of the NorthMet project within the U.S. legal and environmental framework.
PolyMet Mining Corp.'s direct operational focus is entirely within northeastern Minnesota, USA, centered on the NorthMet project. Since its acquisition by Glencore in November 2023, PolyMet is now part of one of the world's largest global diversified natural resource companies. Glencore has an extensive network of operations and marketing activities in over 35 countries, providing the NorthMet project with access to global expertise, financial backing, and commodity markets. However, PolyMet's own activities remain U.S.-based.
444 Cedar Street, Suite 2060
St. Paul
Minnesota
USA
Address: NorthMet Project Site, near 6500 NorthMet Road, Hoyt Lakes, MN 55750 (Project site address)
To develop and operate Minnesota's first copper-nickel mine by utilizing the rich mineral deposits of the Duluth Complex. The project aims to repurpose existing taconite infrastructure, create local jobs, and supply domestically sourced critical minerals.
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As of April 2025, PolyMet Mining Corp.' leadership includes:
PolyMet Mining Corp. has been backed by several prominent investors over the years, including:
The most significant executive-level change in the last 12 months was Glencore's full acquisition of PolyMet Mining Corp. in November 2023. This transformed PolyMet into a private, wholly-owned subsidiary, leading to its delisting and the integration of its leadership and governance within Glencore. Consequently, the roles of the previous independent board and certain top executive positions specific to a publicly traded company were fundamentally altered or concluded.
Discover the tools PolyMet Mining Corp. uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Prior to its full acquisition by Glencore, PolyMet Mining Corp. likely utilized standard corporate email formats. Common patterns for companies include [first].[last]@[companydomain.com] or [first_initial][last]@[companydomain.com]. Post-acquisition, communications may increasingly involve Glencore's email systems and formats.
Commonly observed patterns for polymetmining.com: [first].[last]@polymetmining.com (e.g., john.doe@polymetmining.com) or [f][last]@polymetmining.com (e.g., jdoe@polymetmining.com).
Format
example.contact@polymetmining.com
Example
70%
Success rate
Star Tribune • February 29, 2024
The Minnesota Supreme Court directed the Minnesota Pollution Control Agency (MPCA) to undertake further proceedings regarding a key water quality permit (NPDES permit) for PolyMet's NorthMet mining project. The ruling requires the MPCA to assess potential impacts on water quality standards, particularly those of the Fond du Lac Band of Lake Superior Chippewa, before the permit can be reissued....more
PolyMet Mining Website • November 7, 2023
PolyMet Mining Corp. officially announced the completion of its acquisition by Glencore plc. As a result of this transaction, PolyMet became a wholly-owned indirect subsidiary of Glencore. PolyMet's common shares were delisted from the NYSE American and the Toronto Stock Exchange, marking its transition to a private company under Glencore's full ownership....more
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