Polymet Mining Overview

  • Year Founded
  • 1981

Year Founded

  • Status
  • Private

  • Employees
  • 13

Employees

  • Latest Deal Type
  • 2ndary - Private

  • Financing Rounds
  • 8

  • Investments
  • 3

Polymet Mining General Information

Description

PolyMet Mining Corp is engaged in the exploration and development of natural resource properties. The company's primary mineral property is the NorthMet Project, which is a polymetallic project in northeastern Minnesota, USA. The NorthMet Project comprises two key elements: the NorthMet deposit (or Mine Site) and the Erie Plant. The company ultimately plans to produce metals such as copper, nickel, cobalt, gold, silver, and platinum.

Contact Information

Formerly Known As
Fleck Resources
Ownership Status
Privately Held (backing)
Financing Status
Corporate Backed or Acquired
Corporate Office
  • 444 Cedar Street
  • Suite 2060
  • Saint Paul, MN 55101
  • United States
+1 (651)
Primary Industry
Other Metals, Minerals and Mining
Corporate Office
  • 444 Cedar Street
  • Suite 2060
  • Saint Paul, MN 55101
  • United States
+1 (651)

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Polymet Mining Valuation & Funding

Deal Type Date Amount Valuation/
EBITDA
Post-Val Status Debt

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Polymet Mining Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
PolyMet Mining Corp is engaged in the exploration and development of natural resource properties. The company's primary
Other Metals, Minerals and Mining
Saint Paul, MN
13 As of 2025

Vancouver, Canada
 

Vancouver, Canada
 
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Polymet Mining Competitors (18)

One of Polymet Mining’s 18 competitors is Nevada Copper, a Corporate Backed or Acquired company based in Vancouver, Canada.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
Nevada Copper Corporate Backed or Acquired Vancouver, Canada
Ero Copper Formerly PE-Backed Vancouver, Canada
Handa Mining Corporate Backed or Acquired Vancouver, Canada
Kutcho Copper Corporation Vancouver, Canada
Silver Predator Corporation Liberty Lake, WA
You’re viewing 5 of 18 competitors. Get the full list »

Polymet Mining Patents

Polymet Mining Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20120027652-A1 Metathetic copper concentrate enrichment Inactive 01-Apr-2010
US-20140044617-A1 Metathetic copper concentrate enrichment Active 01-Apr-2010
US-8741238-B2 Metathetic copper concentrate enrichment Active 01-Apr-2010 C22B11/04

Polymet Mining Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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Polymet Mining Investments (3)

Polymet Mining’s most recent deal was a Joint Venture with NewRange Copper Nickel. The deal was made on 14-Feb-2023.

Company Name Deal Date Deal Type Deal Size Industry Lead Partner
NewRange Copper Nickel 14-Feb-2023 Joint Venture Other Metals, Minerals and Mining
Cliffs (railroad connection linking rights) 20-Dec-2006 Corporate Asset Purchase Buildings and Property
Cleveland-Cliffs (Erie Plant) 01-Nov-2005 Corporate Asset Purchase Buildings and Property
To view Polymet Mining’s complete investments history, request access »

Polymet Mining FAQs

  • When was Polymet Mining founded?

    Polymet Mining was founded in 1981.

  • Where is Polymet Mining headquartered?

    Polymet Mining is headquartered in Saint Paul, MN.

  • What is the size of Polymet Mining?

    Polymet Mining has 13 total employees.

  • What industry is Polymet Mining in?

    Polymet Mining’s primary industry is Other Metals, Minerals and Mining.

  • Is Polymet Mining a private or public company?

    Polymet Mining is a Private company.

  • What is the current valuation of Polymet Mining?

    The current valuation of Polymet Mining is .

  • What is Polymet Mining’s current revenue?

    The current revenue for Polymet Mining is .

  • How much funding has Polymet Mining raised over time?

    Polymet Mining has raised $129M.

  • Who are Polymet Mining’s competitors?

    Nevada Copper, Ero Copper, Handa Mining, Kutcho Copper, and Silver Predator are some of the 18 competitors of Polymet Mining.

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