MARTIN MARIETTA MATERIALS INC

Martin Marietta Materials, Inc. is a natural resource-based building materials company that supplies heavy-side construction aggregates, including crushed stone, sand, and gravel. Alongside aggregates, the company provides building materials such as cement, ready mixed concrete, asphalt, and paving services within targeted regional markets. Operations are primarily organized into the Building Materials business and the Specialties business. The Specialties segment manufactures natural and synthetic magnesia-based chemical products—including magnesium oxide, magnesium hydroxide, and magnesium sulfate—as well as dolomitic lime. Martin Marietta serves customers across residential, nonresidential, and public infrastructure construction markets, as well as agricultural, environmental, utility, consumer, and industrial sectors such as steel production and railroad operations.

The enterprise conducts operations through an extensive supply network comprising approximately 400 quarries, underground mines, and distribution facilities across 28 U.S. states, Canada, and The Bahamas. Additional specialty chemical and lime processing facilities operate in Indiana, Michigan, Nevada, North Carolina, Ohio, and Pennsylvania. The company maintains its corporate headquarters in Raleigh, North Carolina.

Summary of the business section of Martin Marietta Materials's latest annual report, written by StockData.

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

“As of January 31, 2026, the Company has approximately 9,600 employees, of which approximately 7,100 are hourly employees and approximately 2,500 are salaried employees.”