# Martin Marietta completes $13.5bn merger with Lhoist North America

Martin Marietta Materials completed its merger with Lhoist North America, creating a larger construction materials and minerals business with over 2 billion tons of limestone reserves.

- Type: Acquisition
- Announced: 2026-09-02
- Where: United States
- Value: $13.5B
- Status: completed
- Capacity: over 2 billion tons of limestone reserves
- Products: aggregates, limestone
- Sectors: [Construction Materials](https://endata.com/sectors/construction-materials.md)

## Companies

- [Lhoist North America](https://endata.com/companies/15710.md) (target)
- [Martin Marietta Materials](https://endata.com/companies/25131.md) (acquirer)

## Sources

- [cemnet.com](https://www.cemnet.com/News/story/181994/martin-marietta-completes-13-5bn-lhoist-north-america-deal.html), 2026-09-02: "US aggregates producer Martin Marietta Materials has completed its merger with Lhoist North America (LNA), creating a significantly larger construction materials and minerals business with more than 2bnt of high-quality limestone reserves."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.