# Who does Steel Dynamics, Inc. pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/steel-dynamics · Facet: suppliers · Updated: 2026-09-23T08:09:30.979878+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Steel Dynamics, Inc.'s confirmed suppliers/cost counterparties include Air Liquide, CSX Corporation. Per the valuechain.wiki graph: 2 cost edges, backed by 2 dated sources, 0 of them primary filings (as of 2026-09-23).

### New Process Steel (high)
- metric: Amount $229M · 2025 acquisition · Cash paid for the remaining 55% interest in New Process Steel
- note: Steel Dynamics acquired the remaining 55% of New Process Steel for $228.935 million in cash in December 2025, increasing ownership from 45% to 100%. Total consideration, including the fair value of the previously held stake, was $449.301 million.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-27) https://www.sec.gov/Archives/edgar/data/1022671/000110465926021395/stld-20251231x10k.htm: "Cash paid for remaining 55% interest: $228,935 thousand."
- [confirms] Steel Dynamics Investor Relations (EN, ir, published 2025-12-01) https://ir.steeldynamics.com/steel-dynamics-completes-acquisition-of-the-remaining-55-ownership-interest-in-new-process-steel/: "Steel Dynamics announced its completion of the acquisition of the remaining 55% equity interest."

### Air Liquide (mid)  → /air-liquide.md
- note: Air Liquide supplies oxygen, nitrogen, and argon under a long-term agreement for the Sinton, Texas, electric arc furnace mill. Contract payments were not disclosed.
- [confirms] Air Liquide (EN, ir, published 2020-07-07) https://www.airliquide.com/sites/airliquide.com/files/2020-07/air-liquide-signs-long-term-supply-agreement-steel-dynamics-inc-sdi-us_61f11b1d93922.pdf: "Air Liquide has signed a long-term agreement with Steel Dynamics, Inc."

### CSX Corporation (mid)  → /csx.md
- note: CSX is designated as the final rail carrier for scrap deliveries to Steel Dynamics' Engineered Bar Division in Pittsboro. Freight spend and annual volume are not disclosed.
- [confirms] Steel Dynamics (EN, ir, published 2024-11-04) https://www.steeldynamics.com/wp-content/uploads/2025/04/Iron-Steel-Specifications-Nov-2024.pdf: "Consignee: Steel Dynamics, Engineered Bar Division Rail. Final Rail Carrier: CSX."

Reverse side: https://valuechain.wiki/steel-dynamics/customers.md · Ripple: https://valuechain.wiki/steel-dynamics/ripple.md

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