Contact Us Haulers & Suppliers Privacy Policy Facility Locator Products Investors Sustainability About Us Careers eRocks® ABOUT US 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. Through a network of operations spanning 30 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the resources necessary for building the solid foundations on which our communities thrive. Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications. Our Mission To become a true WORLD-CLASS ORGANIZATION, we must move forward with a clear, unified MISSION, VISION and VALUES. LEARN MORE Ethics At Martin Marietta, we are dedicated to doing business the right way. Our employees hold themselves, and each other, to the utmost standard of integrity. Our business ethics allow us to maintain our strong commitment to honesty, integrity and accountability. LEARN MORE History We are dedicated to our employees, customers, communities, shareholders and suppliers. This has always been, and continues to be, the cornerstone of our business. LEARN MORE Operating Divisions Central East Southwest West Magnesia Specialties Latest News View More Company Helps Bring Family Together in Wake of Tragedy Nov 22, 2021 - Juan Trevino is in a good place today. At 52, he’s raising a toddler and loving every minute of it. But neither this, nor the pain he and his family have endured in the past two years, was part of his original plan. Company Expands Academic Outreach by Partnering with Shaw University Aug 24, 2021 - In yet another move to support education and attract the young leaders needed to ensure the company’s future success, Martin Marietta has entered into a partnership with Shaw University, a historically Black university in Raleigh. From Open Pit to Open Space Apr 12, 2021 - An Ohio District reclamation project that has successfully transitioned an open-pit limestone quarry to a sprawling open space has been recognized nationally by the Interstate Mining Compact Commission (IMCC). Cookie Policy We use cookies to improve the user experience and analyze website traffic. By continuing to the site, you consent to store on your device a small piece of information about your visit. Please read our Privacy Policy and Cookie Policy for further details. ACCEPT 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. OUR FACILITIES With over 500 locations to serve you, Martin Marietta products are always nearby. LOCATE A FACILITY QUICK LINKS Facility Locator Products Investors Sustainability About Us Careers Magnesia Specialities TOOLS & SUPPORT Contact Us Haulers & Suppliers Operating Divisions Product Calculator Search © 2021 Martin Marietta Materials | Privacy Policy 1.0.104