About Us

Martin Marietta, an American-based company and a member of the S&P 500 Index, is a leading supplier of aggregates and heavy building materials, with operations spanning 27 states, Canada, the Bahamas and the Caribbean Islands. Dedicated teams at Martin Marietta supply the resources for the roads, sidewalks and foundations on which we live.

Martin Marietta’s Magnesia Specialties business provides a full range of magnesium oxide, magnesium hydroxide and dolomitic lime products.

Martin Marietta Corporate Headquarters:
2710 Wycliff Road
Raleigh, NC 27607
(919) 781-4550

For information on other Marietta Marietta locations and facilities, please click here.



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