US: Martin Marietta Materials has announced that it will combine with Lhoist North America (LNA) for US$13.5bn in cash and shares in Martin Marietta. The transaction is expected to be completed in the second half of 2026, subject to regulatory approvals. Lhoist North America is a producer of lime and industrial mineral products, operating a network of 20 quarries and production facilities and 45 distribution terminals. It generated US$1.8bn in gross sales in 2025. LNA has more than 2Bnt of limestone reserves in Sun Belt metropolitan corridors.
Ward Nye, president and CEO of Martin Marietta, said "This transaction represents another transformational milestone for Martin Marietta and directly advances our SOAR 2030 objective to expand our Specialties segment in lime and other industrial minerals. It builds on our core quarrying competency, expands our geographic footprint and establishes Martin Marietta as the leading national producer of lime solutions. As the US continues to invest in infrastructure, advanced manufacturing, energy development and industrial expansion, demand for high-quality lime products is expected to remain resilient for decades to come.
Baron Berghmans, chair of Lhoist Group, said "For more than a century, our family has built Lhoist into a global leader by safeguarding world-class limestone reserves and serving our customers with discipline, quality and care. In Martin Marietta, we have found a partner who shares these values, honours the legacy we have carefully built and ensures it will endure for generations to come.”