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Teck Resources is a diversified Canadian mining and metals company — a top-10 copper producer in the Americas and the world's largest net zinc miner, with operations in Canada, Chile, Peru and the US. FY2025 production was 453,500 t copper and 565,000 t zinc-in-concentrate.
GLEIF (checked 2026-09-05, LEI T8KI5SQ2JRWHL7XY0E11) has an ISSUED record for Teck Resources Limited but reports no parent on file — expected: control here runs through a dual-class share structure (Class A: 100 votes/share; Class B: 1 vote/share), not a corporate parent. The Keevil family has held the controlling Class A block since Teck's predecessor era; a 2023 filing put Temagami/SMM/Dr. Keevil at ~79.7% of Class A aggregate voting rights, while the 2026 proxy circular shows Temagami Mining Company Limited (~51.16%-owned by Keevil Holding Corporation) holding 4,300,000 of the Class A shares voted at the 2026-04-23 AGM — the precise current consolidated Keevil voting percentage is not pinned to a single directly-read circular table this pass (derived cross-filing arithmetic gives a range depending on which related holders are aggregated), so it is reported qualitatively rather than as one number. Under a 2023 shareholder-approved sunset, all Class A shares convert to single-vote Class B by 2029-05-12, progressively diluting this control — re-check post-sunset or once the pending Anglo American merger closes (see corporate-structure flag below), whichever comes first.
Named counterparties identified by open-source research and written only where a primary source states the relationship — never inferred from sector or co-mention. 3 customer-side. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Bloomberg News (2025-06-12) reports Teck and Sumitomo Metal Mining failed to agree terms for concentrated copper ores that Teck will supply to Sumitomo's smelter in Japan this year, and that the two sides are also seeking to settle terms for supplies from Teck's Highland Valley mine (British Columbia, Canada). The dispute also covers Sumitomo's Quebrada Blanca (Chile) offtake, a CL to JP route not credited by this row. No tonnage stated. related_party true because SMM and Sumitomo Corp hold 30% of Quebrada Blanca. Silver is not named by the source, so the row claims copper only.
Teck sells zinc concentrate from its Red Dog mine (Alaska) to Korea Zinc under annually renegotiated contracts; treatment charges fell from $165/t to $80/t for the 2024/2025 contract year (a 52% cut, lowest benchmark in 50+ years) and rose to $85/t for 2026, per trade-press reporting (Fastmarkets, MINING.com, Bloomberg); no primary Teck/Korea Zinc release located. No tonnage disclosed for this specific bilateral share.
Intra-group flow. AIF: 'In 2024, the majority of the zinc concentrate produced at Red Dog was shipped to customers in Asia, Australia and Europe, with the balance being shipped to our metallurgical facilities at Trail, British Columbia.' Red Dog mine is in northwest Alaska (US); Trail Operations zinc-lead smelter/refinery is in Trail, BC (CA), hence US>CA. Share of Red Dog output going to Trail not quantified in the 2024 AIF (historically ~25% per earlier AIFs).
Scope. Absence of a counterparty here is not evidence that none exists — most commercial sourcing is confidential and never becomes public. Rows without a share figure mean no share was disclosed, not that the relationship is small.
4 other tracked dossiers name this company as a counterparty in its own sourced disclosure — this platform never wrote these rows on this company's own page, they are read here inverted from the dossier that disclosed them. This is a partial view: 986 additional named-counterparty rows across the corpus could not be matched to a tracked dossier by name at all (mostly non-Latin legal names), so the true count is higher than what renders here.
Korea Zinc smelts zinc concentrate bought from Teck's Red Dog mine (Alaska) under annually renegotiated contracts; treatment charges fell from $165/t to $80/t for the 2024/2025 contract year (a 52% cut, lowest benchmark in 50+ years) and rose to $85/t for 2026, per trade-press reporting (Fastmarkets, MINING.com, Bloomberg); no primary Teck/Korea Zinc release located. No tonnage disclosed for this specific bilateral share.
Poongsan Corporation FY2025 사업보고서 (DART rcpNo 20260312001327, filed 2026-03-12), section II.3 원재료 및 생산설비, supplier table for subsidiary 'PMX Industries, Inc.' (Poongsan's wholly owned US copper-alloy rolling mill and coin-blank plant, Cedar Rapids, Iowa): '아연 | 압연 | 21,196 | Teck, Glencore' (zinc for rolling, US$21.2m, suppliers Teck and Glencore). Teck's refined zinc is produced only at its Trail Operations refinery (British Columbia, Canada); destination is PMX in Iowa. Glencore (co-supplier) has zinc refineries in several countries and is not placed.
Korea Zinc FY2025 DART business report (사업보고서, filed 2026-03-16), section 3 원재료 및 생산설비, subsidiary Sun Metals Corporation Pty Ltd: zinc concentrate purchases US$683.7m in 2025 (US$494.1m in 2024 per the FY2024 report), suppliers 'Cannington, San Cristobal, Red Dog, MIM 등'; SMC buys directly from Australian miners and the rest from overseas via Korea Zinc. SMC's only smelter is Townsville, Queensland (same report, production table). The report names the MINE: Red Dog (Alaska, US), operated by Teck. Red Dog US > Townsville AU.
Youngpoong FY2025 DART business report, section 3 (원재료 및 생산설비): zinc concentrate purchases KRW 607,796,913 thousand (86.92%), suppliers 'Trafigura Glencore, Teck 등'; concentrate '주로 호주, 페루, 미국등지로부터 수입' (imported mainly from Australia, Peru, the US). FY2024 report names the same suppliers (KRW 651.6bn). Seokpo smelter is in Korea. Origin not pinned: Teck sells zinc concentrate from Red Dog (Alaska, US) and its share of Antamina (Peru), and the report does not say which mine.
Scope. This section is inverted evidence: each linked dossier wrote the original row about itself, describing its own relationship to this company. It is never a claim this company itself disclosed. Absence here is not evidence of no relationship — most of the corpus has no named-counterparty block at all yet.
This company sits on the supply side for 6 of its 6 materials — a restriction on those is a tailwind, not a headwind.
As a producer, policy pressure across its produced materials is flat.
Descriptive trend in official policy actions on this company’s materials — a policy-pressure trend, not a price or trading signal. No forward probability is implied. Direction is measured on actions we have discovered, and discovery lags events: where the recent window is too thin to support a calm reading, the row says coverage-limited instead of easing.
🇺🇸 US accounts for 53% of severity-weighted pressure.