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 28 states, Canada, the Bahamas and the Caribbean Islands.

About Martin Marietta. A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of building materials - including aggregates, cement, ready mixed concrete and asphalt.

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.

Martin Marietta is committed to providing world-class customer service. Please choose one of the options below to connect with a member of our team.

Martin Marietta Products. Martin Marietta strives to produce the highest quality products, including a wide variety of aggregates, cement, concrete, and magnesia specialties.

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.

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.

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.

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.

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.