# Who does Vulcan Materials Company pay? Who are its key suppliers?
Canonical: https://valuechain.wiki/vulcan-materials-company · Facet: suppliers · Updated: 2026-09-23T09:44:33.642272+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Vulcan Materials Company's confirmed suppliers/cost counterparties include Komatsu plus 1 undisclosed/aggregate relationship. Per the valuechain.wiki graph: 2 cost edges, backed by 2 dated sources, 1 of them primary filings (as of 2026-09-23).

### Wake Stone Corporation (high)
- note: Vulcan Materials completed its acquisition of Wake Stone in November 2024, expanding its aggregates operations and reserves in the Carolinas. The purchase price for Wake Stone alone was not disclosed.
- [confirms] SEC EDGAR (EN, filing, published 2025-02-20) https://www.sec.gov/Archives/edgar/data/1396009/000139600925000005/vmc-20241231.htm: "acquired Wake Stone on November 8, 2024"

### CSL Americas (high)
- note: CSL Americas is Vulcan's long-term marine carrier for aggregates moving from its British Columbia quarry to California and Hawaii. Vulcan does not disclose the value of the agreement.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/1396009/000162828026009546/vmc-20251231.htm: "long-term marine shipping agreement with CSL Americas"

### 고마쓰 (mid)  → /komatsu.md
- note: Komatsu supplies a WA485-11 wheel loader used for aggregate handling at Vulcan's Palmdale, California, operation. A Vulcan operator describes its on-site use and efficiency benefits, but the purchase amount is undisclosed.
- [confirms] Komatsu North America (EN, ir, published 2025-04-14) https://www.youtube.com/watch?v=dz00JcvtCK4: "WA485-11 wheel loader in action: power, comfort and efficiency at Vulcan Materials"

Reverse side: https://valuechain.wiki/vulcan-materials-company/customers.md · Ripple: https://valuechain.wiki/vulcan-materials-company/ripple.md

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Full node: https://valuechain.wiki/vulcan-materials-company.md · JSON: https://valuechain.wiki/vulcan-materials-company.json