
Martin Marietta Materials, Inc. (MLM), headquartered in Raleigh, North Carolina, is a leading supplier of aggregates and heavy-side building materials, serving the construction industry. With a market capitalization of $29.1 billion, the company plays a crucial role in infrastructure, commercial, and residential projects. Beyond aggregates, Martin Marietta produces magnesia-based materials, including high-temperature refractory products for the steel industry, chemical solutions for industrial and environmental applications, and dolomitic lime, reinforcing its diversified portfolio and market presence.
Companies worth $10 billion or more are generally described as “large-cap stocks,” and MLM perfectly fits that description, with its market cap exceeding this mark, underscoring its size, influence, and dominance within the building materials industry.