Teck

Teck Resources is a Vancouver-headquartered Canadian natural-resources company whose modern business is centered on mining, mineral processing and the development of large-scale metals projects. The company is best known for copper and zinc, while its historical portfolio also included steelmaking coal and oil-sands interests. Its products and by-products have included copper, zinc, lead, silver, gold, molybdenum, germanium, indium and cadmium. The company’s roots extend through two principal corporate histories. Teck-Hughes Gold Mines was incorporated in 1913 to develop gold claims in Ontario’s Kirkland Lake district. The other major predecessor, The Consolidated Mining and Smelting Company of Canada, was formed in 1906 and later became Cominco. Cominco developed a major mining and metallurgical business, including the Sullivan mine in British Columbia and the Trail smelter. Teck and Cominco began working together in the 1980s and completed their combination in 2001, creating Teck Cominco. The company adopted the Teck identity in 2008 and changed its legal name to Teck Resources Ltd. in 2009. For much of the 2000s and 2010s, Teck pursued a diversified resource model. Its assets included the Red Dog zinc mine in Alaska, the Trail metallurgical complex in British Columbia, Highland Valley Copper in British Columbia, copper operations in Chile, an interest in Antamina in Peru, and a large portfolio of steelmaking-coal mines in British Columbia. The acquisition of Fording Canadian Coal Trust’s interest in Elk Valley Coal in 2008 significantly expanded the coal business, but also increased debt and forced cost reductions during the global financial crisis. Teck later became a major exporter of metallurgical coal to Asia-Pacific steel markets. Teck also entered the Canadian oil-sands sector through Fort Hills in Alberta. The project began production in 2018 with Teck holding a minority interest alongside Suncor Energy and TotalEnergies. The company subsequently abandoned its proposed Frontier oil-sands mine in 2020 after concluding that the project could not proceed under the prevailing conditions. In the 2020s, Teck increasingly emphasized copper and other metals associated with electrification and energy infrastructure. Quebrada Blanca Phase 2 in Chile became a central growth project, although construction and processing challenges caused substantial cost escalation. In 2023, Teck’s board rejected an unsolicited takeover proposal from Glencore. Later that year, Teck agreed to sell its steelmaking-coal business in transactions involving Glencore, Nippon Steel and POSCO. The transactions, approved by the relevant authorities in 2024, were intended to leave Teck more concentrated on copper, zinc and other metals rather than fossil-fuel-related assets. Teck therefore represents a transition from a broadly diversified mining and energy company toward a metals-focused producer, with copper as a principal strategic growth area.

Teck’s roots extend to the Canadian gold-mining industry of the early twentieth century. Teck-Hughes Gold Mines operated in the Kirkland Lake mining district of Ontario, while Lamaque Gold Mines developed the Lamaque property in Quebec. These businesses were combined in 1951 to create the company that became the foundation of Teck’s later corporate development. The early company was primarily associated with gold, but its subsequent strategy increasingly involved diversification into base metals and other natural resources. During the second half of the twentieth century, Teck expanded through exploration, acquisitions, mine development and investments in processing. This broadening reflected a common strategy among large Canadian mining companies: building portfolios across commodities and jurisdictions to reduce dependence on a single mineral. Teck developed or acquired interests in copper, zinc, lead, coal and related processing operations, becoming a significant international mining group rather than a single-mine gold producer. A defining corporate event occurred in 2001, when Teck acquired Cominco. The combination brought together Teck’s mining and investment interests with Cominco’s substantial zinc, lead, smelting and refining activities. The enlarged company was renamed Teck Cominco and became one of the world’s important diversified base-metals producers. In 2008, it adopted the name Teck Resources, while continuing to use Teck as its principal corporate identity. The company’s international portfolio included the Red Dog zinc mine in Alaska, one of the world’s major zinc operations; Highland Valley Copper in British Columbia; the Antamina copper-zinc mine in Peru; and copper assets in Chile. Teck also became a major producer of steelmaking coal from the Elk Valley region of British Columbia. The coal business provided substantial cash generation but also exposed the company to carbon-policy debates, water-quality concerns, commodity volatility and the broader strategic question of whether a diversified miner should retain coal assets while pursuing a lower-carbon future. In Chile, Teck invested in the expansion of Quebrada Blanca. The Quebrada Blanca Phase 2 project was designed to create a large-scale copper operation and became the company’s most important growth project in the early 2020s. After construction and commissioning challenges, the project reached commercial production in 2023. Teck’s copper strategy was supported by the expectation that electrification, grid investment and renewable-energy deployment would increase long-term demand for copper. Teck also faced strategic pressure from potential consolidation in the mining sector. In 2023, Glencore proposed a combination with Teck. Teck’s board rejected the proposal, and the proposed transaction did not proceed. Rather than combine with Glencore at that time, Teck pursued a separation of its coal activities from the rest of the company. The objective was to create a more focused copper-and-zinc business while allowing the steelmaking-coal operations to have a different ownership and capital structure. That restructuring was completed in 2024 through the sale of a majority interest in Elk Valley Resources to Glencore, with Nippon Steel Corporation and POSCO also involved in the transaction. The separation materially changed Teck’s portfolio and strengthened its public positioning as a copper- and base-metals company. Teck retained a substantial history and technical presence in coal, but its continuing corporate strategy became more closely associated with copper, zinc, project development and responsible critical-minerals production. Teck’s current business combines operating mines, mineral-processing assets, exploration, project development and commercial marketing. The company sells primarily to industrial and metals-industry customers rather than consumers. Its corporate communications emphasize safety, environmental performance, reclamation, water stewardship, emissions reduction, Indigenous partnerships and community benefits. At the same time, its operations remain exposed to mine-supply disruptions, permitting and regulatory requirements, environmental liabilities, labor and community relations, capital-cost overruns and changes in copper and zinc prices. Teck’s history is therefore best understood as a transition from Canadian gold-mining origins to a diversified international producer, followed by a more recent concentration on copper and zinc.

1. 2024Separation of the steelmaking-coal business

   Teck completed the sale of a majority interest in Elk Valley Resources, reducing its direct exposure to steelmaking coal and sharpening its copper-and-zinc focus.

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2. 2023Quebrada Blanca Phase 2 reaches commercial production

   The major Chilean copper expansion entered commercial production, becoming a central component of Teck’s copper-growth strategy.

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3. 2008Adoption of the Teck Resources name

   The company changed its name from Teck Cominco to Teck Resources.

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4. 2001Acquisition of Cominco

   Teck acquired Cominco, significantly expanding its zinc, lead, smelting, refining and international base-metals activities.

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5. 1951Formation of the modern Teck company

   Teck-Hughes Gold Mines and Lamaque Gold Mines were combined, creating the corporate foundation of the company that later became Teck Resources.

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A Canadian, publicly listed mining company positioned around responsible production of copper and zinc, with copper as its principal long-term growth platform and a reduced coal exposure following the 2024 separation of its steelmaking-coal business.

• CopperBase metals

  Copper is Teck’s principal strategic growth commodity. The company produces copper concentrates and related products from operations and interests in Canada, Chile and Peru. Copper from Teck’s portfolio serves smelters and industrial metals markets and is positioned by the company as an essential material for electrical infrastructure, transportation, renewable-energy systems and broader electrification.

• ZincBase metals

  Zinc has historically been one of Teck’s most important commodities. Teck’s zinc business includes mine production, concentrates and processing capabilities, with the Red Dog mine in Alaska among its best-known assets. Zinc is used in galvanizing steel, alloys, die casting and other industrial applications.

• Steelmaking coalBulk commodities

  Steelmaking coal was a major part of Teck’s historical portfolio, particularly through mines in British Columbia’s Elk Valley. The business supplied coal used in blast-furnace steel production. In 2024, Teck completed the sale of a majority interest in Elk Valley Resources, materially reducing the commodity’s role in Teck’s continuing portfolio.

• Lead and associated metalsBase metals

  Through its historical mining, smelting and refining portfolio, Teck has produced lead and associated by-products alongside zinc and other base metals. These materials are sold into industrial and metals-processing markets and remain part of the company’s broader technical and historical capabilities.

• Copper growth and responsible mining positioning

  Global

  Teck has promoted copper as a central growth commodity while linking its mining proposition to electrification, infrastructure and the energy transition. Its communications also emphasize environmental management, water stewardship, Indigenous and community relationships, safety and mine reclamation.

  Outcome. The positioning became more prominent as Teck expanded Quebrada Blanca and separated most of its steelmaking-coal business.

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• 2024Sell majority interest in Elk Valley ResourcesM&A

  Teck pursued a transaction intended to separate its steelmaking-coal business and sharpen its focus on copper and zinc.

  What changed. Teck completed the sale of a majority interest in Elk Valley Resources to Glencore, with Nippon Steel Corporation and POSCO also participating.

  Aftermath. The transaction reduced Teck’s direct exposure to steelmaking coal and reinforced its identity as a copper- and base-metals-focused company.

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• 2023Reject Glencore combination proposalM&A

  Glencore proposed a combination with Teck during a period of consolidation and strategic repositioning in the global mining sector.

  What changed. Teck’s board rejected the proposal, and the proposed combination did not proceed.

  Aftermath. Teck continued with its own portfolio strategy and pursued the separation of its steelmaking-coal business.

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• 2001Acquire ComincoM&A

  Teck sought to broaden its commodity and processing portfolio through a combination with Cominco.

  What changed. Teck acquired Cominco, creating Teck Cominco and expanding the company’s zinc, lead, smelting and refining activities.

  Aftermath. The transaction became the foundation for Teck’s modern diversified base-metals platform.

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• 2023Teck subsidiary fined over East Kootenay water pollutionControversy

  A Teck subsidiary was fined more than C$16 million in connection with pollution affecting waterways in British Columbia’s East Kootenay region.

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• 2023East Kootenay water-pollution enforcementControversy

  A Teck subsidiary was fined more than C$16 million in relation to pollution affecting waterways in British Columbia’s East Kootenay region. The matter illustrates the environmental compliance risks associated with large-scale mining and coal operations.

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• 2024Teck completes sale of majority interest in Elk Valley Resources

  Teck completed the sale of a majority interest in its steelmaking-coal business to Glencore, with Nippon Steel and POSCO also participating, supporting a strategic focus on copper and zinc.

  M&A
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• 2023Teck completes Quebrada Blanca Phase 2 project

  Teck announced commercial production at the Quebrada Blanca Phase 2 copper expansion in Chile, a major addition to its copper-production platform.

  Product launchProduct generation
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• 2023Glencore takeover proposal for Teck does not proceed

  Glencore made a public proposal to combine with Teck, but Teck’s board rejected the approach and the proposed transaction was not completed.

  M&A
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• 2023Glencore takeover proposal is rejected

  Teck’s board rejected an unsolicited proposal from Glencore valued at approximately US$23.1 billion.

  M&A
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• 2023Teck agrees to divest its steelmaking-coal business

  Teck agreed to sell its coal operations in transactions involving Glencore, Nippon Steel and POSCO, supporting a shift toward a metals-focused portfolio.

  M&A
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• 2020Teck withdraws the Frontier oil-sands proposal

  Teck withdrew its application for the proposed Frontier open-pit oil-sands mine in northern Alberta.

  Regulation
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• 2009Teck cuts jobs and spending during the global financial crisis

  After the coal acquisition and a sharp decline in steel demand, Teck announced workforce reductions, lower production targets and other measures to conserve cash.

  Other
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• 2008Teck expands its steelmaking-coal portfolio through the Fording transaction

  Teck agreed to acquire the remaining interests in Elk Valley Coal, substantially increasing its exposure to metallurgical coal while adding significant debt.

  M&A
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• 2001Teck completes combination of Teck and Cominco

  The merger brought together Teck’s mining interests and Cominco’s mining and metallurgical assets, creating Teck Cominco.

  M&A
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1. Teck corporate website
2. Teck leadership
3. Teck sustainability
4. Teck news and announcements
5. Formation of the modern Teck company
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