Martin Marietta Materials Company Description
Martin Marietta Materials (MMM) is a rock star. The company is the #2 US producer (behind Vulcan Materials) of aggregates for highway, infrastructure, commercial, and residential construction. Its Martin Marietta Aggregates division (representing 90% of sales) produces more than 150 million tons of granite, gravel, limestone, and sand annually. Magnesia Specialties produces magnesia-based chemicals for industrial, environmental, and agricultural uses, as well as fiber-reinforced composite materials used for transportation and military applications. MMM serves customers in 30 countries through about 300 quarries, plants, mines, and distribution facilities in the US, Canada, and the Bahamas.
View the Comprehensive Company Description for Martin Marietta Materials
The Company Description provides a historical perspective of Martin Marietta Materials's organization from inception to current status.
Produced by Hoover's in-house editorial team, the Company Description tracks ownership transitions, company progress via mergers and acquisitions, major growth milestones, and strategic initiatives, to provide a holistic view of Martin Marietta Materials's evolution in the marketplace.




