It's not just
what we make.
It's what
we make possible.®

An American-based company and a leading supplier of building materials, Martin Marietta teams supply the resources necessary for building the solid foundations on which our communities thrive. Let us play a role in your next project.

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Featured Environmental Initiative

A Deeper Look

Martin Marietta's Magnesia Specialties Division makes a host of magnesium hydroxide products that are being used across the globe and having an extremely positive impact on the environment.

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Our people
make us possible.

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