Martin Marietta Materials' GAAP net income for 2021 was $702.8 million, down 2.5% from $721.1 million in the previous year. Revenue increased 14.5% to $5.414 billion from $4.73 billion a year earlier.
Martin Marietta Materials' GAAP net income for 2021 was $702.8 million, down 2.5% from $721.1 million in the previous year. Revenue increased 14.5% to $5.414 billion from $4.73 billion a year earlier. 
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