Martin Marietta buys Lhoist North America for $13.5B in lime market bet
What's the deal? Martin MariettaDealroom has a profile for this one. Try Dealroom → Materials has agreed to acquire Lhoist North America in a $13.5 billion cash-and-stock deal. The transaction will create the largest lime and limestone producer in the US once completed.
Who's involved? Martin Marietta is a US building materials company. Lhoist North America is a subsidiary of Belgium's LhoistDealroom has a profile for this one. Try Dealroom → Group, a private company owned by the Berghmans family.
What's the endgame? Lhoist makes high-calcium lime and dolomitic lime used in domestic steel manufacturing. The acquisition folds those products into Martin Marietta's portfolio, deepening its exposure to industrial customers.
Why now? The global limestone market is expanding, projected to grow from 5.38 billion tons in 2025 to 6.71 billion tons by 2031, a compound annual growth rate of 3.76%, according to Mordor Intelligence.
The signal: Consolidation is reshaping the building materials sector, and this deal positions Martin Marietta at the top of a growing US lime market tied closely to domestic steel demand.
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