MARTIN MARIETTA MATERIALS, INC.
RALEIGH, NC

Martin Marietta Materials, Inc., commonly known as Martin Marietta or MLM, is a distinguished player in the S&P 500 Index and operates extensively across North America. Founded as part of its predecessors Martin Marietta Corporation, which originated from the merger between American-Marietta Corp. and the Glenn L. Martin Company, Martin Marietta Materials evolved into one of the nation's leading suppliers of aggregates and various construction materials. Headquartered in Raleigh, NC, the company serves markets spanning 26 states, Canada, and parts of the Caribbean, delivering essential products like road building materials and foundational stones for infrastructure. A significant part of their portfolio includes magnesium oxide, magnesium hydroxide, and dolomitic lime, which are critical to various industrial processes. Martin Marietta Materials lists on the New York Stock Exchange under the ticker MLM. The company has a noteworthy history, including its expansion through strategic acquisitions, becoming the second-largest aggregates producer in the U.S. by acquiring Dravo Corp., enhancing its geographical footprint along major waterways. Martin Marietta Materials emphasizes innovation and sustainability. In recent years, the company has achieved over $1 billion in sales annually for five consecutive years, showcasing robust growth metrics like a 21% year-on-year reduction in workplace injuries and strategic expansions such as the Medina Rock & Rail project in Texas—the most significant capital construction venture in its history. Firmly committed to ethical conduct, Martin Marietta Materials integrates core values of integrity, accountability, and community engagement into every facet of its operations. This dedication is enshrined in their comprehensive Code of Ethical Business Conduct, aimed at maintaining exemplary standards throughout the organization. The company's ongoing endeavors in technology and sustainability have earned recognitions such as being listed among Fortune Magazine's "World's Most Admired Companies" in the Building Materials industry. Additionally, Martin Marietta Materials stands out not only for its industrial achievements but also for its active engagement with economic growth and community development. Martin Marietta Materials remains at the forefront of the construction materials sector, leveraging its strategic assets and ethical standards to deliver high-quality products while fostering trust and innovation across its many stakeholders.