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Martin Marietta completes Lhoist deal
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Martin Marietta completes Lhoist deal

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  • Martin Marietta completed its combination with Lhoist North America effective August 21, 2026.
  • The transaction expands Martin Marietta’s Specialties platform and adds more than 2 billion tons of limestone reserves.
  • Martin Marietta stated it will provide updated 2026 revenue and Adjusted EBITDA guidance with its third-quarter results.

Martin Marietta (NYSE:MLM) completed its previously announced combination with Lhoist North America, a subsidiary of Lhoist Group, effective August 21, 2026.

Lhoist North America produces high calcium lime, dolomitic lime, and industrial mineral products used in steel, infrastructure, heavy nonresidential construction, and environmental markets.

Martin Marietta stated that the transaction expands its Specialties platform and creates a limestone position with more than 2 billion tons of high-quality reserves across North America.

The company stated that the combination establishes it as the leading producer of limestone products in the United States.

Martin Marietta plans to provide updated full-year 2026 revenue and adjusted EBITDA guidance when it reports third-quarter results.

Martin Marietta supplies aggregates and specialty materials used in infrastructure, construction, and industrial applications, with the Lhoist North America combination expanding its minerals portfolio.

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