Martin Marietta Materials Inc. will acquire Lhoist North America in a $13.5 billion transaction. The deal consists of a combination of cash and stock. Martin Marietta aims to expand its market presence in construction aggregates like crushed stone, sand, and gravel.
Lhoist North America operates a network of 20 quarries and production sites. The company also manages 45 distribution terminals. Lhoist generated $1.8 billion in gross sales for the year ending December 31, 2025.
Martin Marietta projects approximately $85 million in annual run-rate cost synergies. The merger is expected to close in the second half of 2026, subject to regulatory approvals. This consolidation represents a major shift for the building materials sector and materials-focused ETFs.