# Who are Martin Marietta Materials, Inc.'s customers? Who does Martin Marietta Materials, Inc. earn revenue from?
Canonical: https://valuechain.wiki/martin-marietta-materials · Facet: customers · Updated: 2026-09-23T07:31:38.954831+00:00 · Source: ValueChain.wiki (cited money-flow graph)

**Citable summary**: Martin Marietta Materials, Inc.'s confirmed revenue counterparties include Union Pacific Corporation plus 2 undisclosed/aggregate relationships. Per the valuechain.wiki graph: 3 revenue edges, backed by 4 dated sources, 1 of them primary filings (as of 2026-09-23).

### 미국 민간 건설 고객 (high)
- metric: Market share 58% · FY2025 · Combined share of 2025 aggregates shipments to nonresidential and residential construction markets
- note: Nonresidential customers such as data centers and manufacturing or distribution facilities, together with residential and subdivision customers, represented 58% of 2025 aggregates shipments.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/916076/000119312526059193/mlm-20251231.htm: "nonresidential and residential construction projects"

### 미국 공공 인프라 건설 고객 (high)
- metric: Market share 37% · FY2025 · Share of 2025 aggregates shipments used in highway and other public infrastructure projects
- note: Customers using aggregates for highways and other public infrastructure represented 37% of 2025 aggregates shipments. Multiyear projects funded by federal, state and local governments are a core demand source.
- [confirms] SEC EDGAR (EN, filing, published 2026-02-19) https://www.sec.gov/Archives/edgar/data/916076/000119312526059193/mlm-20251231.htm: "37% of its 2025 aggregates shipments"
- [mentions] U.S. Geological Survey (EN, research, published 2025-01-31) https://pubs.usgs.gov/periodicals/mcs2025/mcs2025.pdf: "72% was used as construction aggregate, mostly for road construction and maintenance."
- [mentions] Edaily (KO, news, published 2021-06-26) https://www.edaily.co.kr/News/Read?mediaCodeNo=257&newsId=01236566629085656: "Aggregate demand is concentrated in highways and other large infrastructure projects."

### 유니언 퍼시픽 (mid)  → /union-pacific.md
- note: Martin Marietta supplies railroad ballast to Union Pacific. Union Pacific describes Martin Marietta as its largest ballast supplier, but the transaction value is not disclosed.
- [confirms] Union Pacific (EN, news, published 2016-09-16) https://www.up.com/aboutup/community/inside_track/martin-marietta-9-16-2016.htm: "Martin Marietta also is Union Pacific's largest supplier of ballast."

Reverse side: https://valuechain.wiki/martin-marietta-materials/suppliers.md · Ripple: https://valuechain.wiki/martin-marietta-materials/ripple.md

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