# Who does Caterpillar pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/caterpillar · Facet: suppliers · Updated: 2026-09-24T04:08:55.391102+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Caterpillar's confirmed suppliers/cost counterparties include Nucor Corporation plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 cost edges, backed by 3 dated sources, 1 of them primary filings (as of 2026-09-24).

### 뉴코 (mid)  → /nucor.md
- note: Caterpillar recognized Nucor with its 2021 Platinum supplier award based on measures including product quality and delivery performance, but the commercial value was not disclosed.
- [confirms] Nucor (EN, ir, published 2022-05-05) https://nucortubular.com/wp-content/uploads/2022/09/2021-Sustainability-Report-compressed.pdf: "winning the Caterpillar Platinum award"

### 엔진·부품·제조 (비공개) (low)
- note: Engine/genset parts and manufacturing.
- [confirms] SEC EDGAR (EN, filing, published 2025-10-29) https://www.sec.gov/Archives/edgar/data/0000018230/000001823025000043/ex991toformcat3q2025earnin.htm: "Makes gensets and turbines."

### 철강·물류 (비공개) (low)
- note: Steel, materials and logistics.
- [confirms] TIKR (EN, research, published 2026-01-01) https://www.tikr.com/blog/caterpillar-power-chief-just-revealed-what-the-data-center-boom-really-means-for-cat-stock: "Vertically integrated heavy equipment."

Reverse side: https://valuechain.wiki/caterpillar/customers.md · Ripple: https://valuechain.wiki/caterpillar/ripple.md

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Full node: https://valuechain.wiki/caterpillar.md · JSON: https://valuechain.wiki/caterpillar.json