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MMM Calc - The Product Calculator.

A quick and easy tool to help you calculate your concrete needs and more, including aggregates, ready-mix, and asphalt.

The ReadyTrac app allows the customers unprecedented access to real-time delivery information. It delivers online information that  enables managers, superintendents, and dispatchers to track  ready-m

Martin Marietta is uncompromising in its commitment to the safety and health of its people and the community, making safety the top priority in every decision and operation across all locations.

Safety First

The company adheres to core values and ethical business principles ensuring all are respected, included and valued, believing in the power of bringing together diverse perspectives, backgrounds, experiences and talents to create a shared vision.

Respect and Inclusion

Commitment to being a role model through responsible innovation and continuous improvement, placing diverse thought, talent and leadership at the center of everything they do to drive superior performance.

Operational Excellence

Dedication to responsible resource extraction and environmental management, ensuring operations meet the highest standards of sustainability and environmental protection while serving communities.

Environmental Stewardship

Focus on exceeding customer expectations by delivering high-quality construction materials and reliable service that enables customers to build critical infrastructure and communities.

Customer Partnership

Martin Marietta Materials is a leading national supplier of aggregates and heavy building materials, serving customers across 28 states, Canada, and the Bahamas. As a member of the S&P 500 Index, the company provides essential construction materials including aggregates, cement, ready mixed concrete, and asphalt, while also operating a specialty Magnesia Specialties business producing high-purity magnesia and dolomitic lime products for environmental, industrial, agricultural, and specialty applications.

C. Howard (Ward) Nye

Chairman & Chief Executive Officer

Michael J. Petro

Senior Vice President & Chief Financial Officer

Robert J. Cardin

Senior Vice President, Controller & Chief Accounting Officer

Donald A. McCunniff

Executive Vice President & Chief Human Resources Officer

Jason P. Flynn

Senior Vice President & Chief Information Officer

Bradley D. Kohn

Senior Vice President, General Counsel & Corporate Secretary; Head of Government Affairs

Martin Marietta Materials, Inc. is an American company and a supplier of aggregates and heavy building materials, with operations spanning 26 states, Canada, and the Caribbean. In particular, Martin Marietta Materials supplies resources for the construction of roads, sidewalks, and foundations.

https://en.wikipedia.org/wiki/Martin_Marietta_Materials

Crushed stone, sand, and gravel products that serve as the fundamental building blocks for infrastructure construction, commercial development, and residential building. Martin Marietta sold 191 million tons of aggregates in 2024, operating strategically located quarries across 28 states to serve customers efficiently.

Aggregates

Portland cement and specialty cement products used in concrete production and various construction applications. The company has strategically optimized its cement portfolio, including the 2024 divestiture of South Texas cement operations and exchange agreements involving its Midlothian cement plant.

Cement

Freshly mixed concrete delivered to construction sites for immediate use in building projects, infrastructure development, and commercial applications. The company operates ready mixed concrete operations in key markets serving local construction demand.

Ready Mixed Concrete

Asphalt products and paving materials used in road construction, highway projects, and infrastructure development. Martin Marietta's asphalt operations complement its aggregates business by providing integrated materials solutions for paving contractors and infrastructure projects.

Asphalt

High-purity magnesia and dolomitic lime products used worldwide in environmental applications (pollution control systems), industrial processes (refractory materials for steel and glass manufacturing), agricultural inputs, and specialty chemical applications. Enhanced by the 2025 Premier Magnesia acquisition.

Magnesia Specialties

Martin Marietta reported full-year 2024 results concluding the year with a return to earnings growth and margin expansion, resulting in record fourth quarter profits. The company sold 191 million tons of aggregates in 2024 despite challenging market conditions including inclement weather, softening construction demand in nonresidential and residential sectors, and tighter monetary policy.

Martin Marietta Reports Fourth Quarter and Full-Year 2024 Results with Record Profits

Martin Marietta delivered several first-quarter 2025 records including consolidated gross profit, gross margin, Adjusted EBITDA and Adjusted EBITDA margin, with aggregates gross profit per ton increasing over 16 percent to a new first-quarter record. The company is confident in achieving the midpoint of its 2025 full year Adjusted EBITDA guidance of $2.25 billion.

Martin Marietta Reports First-Quarter 2025 Results with Record Margins

Martin Marietta announced the appointment of Michael J. Petro as Senior Vice President and Chief Financial Officer, effective immediately in July 2025. Petro brings extensive financial leadership experience to oversee all aspects of the company's financial operations, investor relations, and strategic planning for its multi-billion dollar operations.

Martin Marietta Appoints Michael J. Petro as Chief Financial Officer

Martin Marietta completed the acquisition of Premier Magnesia, LLC, a privately-owned producer of magnesia-based products. The acquisition strengthens the company's Magnesia Specialties segment and expands capabilities in high-purity magnesia and dolomitic lime products used in environmental, industrial, agricultural, and specialty applications worldwide.

Martin Marietta Completes Premier Magnesia Acquisition

Martin Marietta reported third-quarter 2025 net earnings from continuing operations rising 22% to $361 million, or $5.97 per share, with revenues reaching $1.846 billion versus $1.642 billion in Q3 2024 (a 12% improvement). The company achieved record quarterly aggregates revenues driven by infrastructure demand and stronger pricing, while raising its annual adjusted EBITDA forecast to a midpoint of $2.32 billion from $2.30 billion.

Martin Marietta's Quarterly Profit Rises on Sustained Infrastructure Demand

Martin Marietta completed the acquisition of 20 active aggregates operations in Alabama, South Carolina, South Florida, Tennessee, and Virginia from affiliates of Blue Water Industries LLC (BWI Southeast) for $2.05 billion in cash. The transaction strengthens Martin Marietta's aggregates-led business model with strategically located assets in high-growth markets.

Martin Marietta Completes Blue Water Industries Southeast Acquisition

Martin Marietta completed the divestiture of its South Texas cement and related concrete operations to CRH Americas Materials, Inc., a subsidiary of CRH plc, for $2.1 billion in cash. The transaction represented a strategic shift toward aggregates-focused operations and marked a significant milestone in the company's portfolio optimization strategy.

Martin Marietta Divests South Texas Cement Operations for $2.1 Billion

Martin Marietta Materials Inc

Analyst Report: Martin Marietta Materials, Inc. (MLM) - Buy

Labourer at Martin Marietta Materials Canada Ltd.

Martin Marietta Materials, Inc. (MLM) Earnings Released

Martin Marietta ($MLM) Reports Record Q3 Earnings, Raises 2025 Guidance

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MARTIN MARIETTA MATERIALS INC

Mining & Quarrying of  Nonmetallic Minerals (No Fuels)

Brothers William Trent Ragland and Edmond Ragland founded Superior Stone, an aggregates company in Raleigh, North Carolina. This small quarrying operation would eventually grow into one of North America's largest construction materials companies.

Superior Stone Founded by Ragland Brothers

Superior Stone merged with the American-Marietta Corporation, creating a larger entity with expanded capabilities and market reach in the construction materials sector, setting the stage for further consolidation.

Merger with American-Marietta Corporation

The American-Marietta-Superior Stone entity merged with the Glenn L. Martin Company, formally creating Martin Marietta Corporation in 1961. This merger combined construction materials operations with aerospace and defense capabilities into a diversified industrial conglomerate.

Formation of Martin Marietta Corporation

Martin Marietta Corporation completed an initial public offering of 19% of the common stock of Martin Marietta Materials, which began trading on the New York Stock Exchange under ticker symbol MLM, creating a separately-traded public entity.

Initial Public Offering of Martin Marietta Materials

Martin Marietta Corporation merged with Lockheed Corporation to form Lockheed Martin, one of the world's largest aerospace and defense contractors. This mega-merger set the stage for the spin-off of the construction materials business.

Martin Marietta-Lockheed Merger

Martin Marietta Materials was completely spun off as an independent company from Lockheed Martin, with Lockheed Martin retaining aerospace, defense, and other manufacturing operations. This created a pure-play aggregates and building materials company focused on construction materials excellence.

Spin-Off as Independent Company

C. Howard (Ward) Nye became Chief Executive Officer effective January 1, 2010, bringing over 20 years of construction materials industry experience. His leadership would guide Martin Marietta through significant growth and strategic transformation over the next 15+ years.

Ward Nye Becomes CEO

The Board of Directors elected President and CEO Ward Nye to the additional post of Chairman of the Board in May 2014, consolidating leadership and enabling unified strategic direction for the company.

Ward Nye Elected Chairman of the Board

Martin Marietta's Board unanimously approved a definitive merger agreement to acquire all outstanding shares of Texas Industries (TXI) in a tax-free, stock-for-stock transaction. The deal was overwhelmingly approved by shareholders on June 30, 2014, significantly expanding Martin Marietta's presence in Texas and adding cement production capabilities.

Acquisition of Texas Industries (TXI)

On February 9, 2024, Martin Marietta completed the divestiture of its South Texas cement and related concrete operations to CRH Americas Materials, Inc. for $2.1 billion in cash. This transaction represented a strategic shift away from cement toward aggregates-focused operations.

South Texas Cement Divestiture for $2.1 Billion

On February 11, 2024, Martin Marietta entered into a definitive agreement to acquire 20 active aggregates operations in Alabama, South Carolina, South Florida, Tennessee, and Virginia from affiliates of Blue Water Industries LLC (BWI Southeast) for $2.05 billion in cash.

Blue Water Industries Southeast Acquisition Agreement

The Blue Water Industries Southeast transaction closed on November 4, 2024, adding 20 active aggregates operations across five states to Martin Marietta's portfolio and strengthening the company's aggregates-led business model with strategically located assets.

BWI Southeast Acquisition Completed

Martin Marietta reported full-year 2024 results including the sale of 191 million tons of aggregates. Despite challenging market conditions including inclement weather and softening construction demand, the company achieved a return to earnings growth and margin expansion with record fourth quarter profits.

Full-Year 2024: 191 Million Tons of Aggregates Sold

On July 25, 2025, Martin Marietta completed the acquisition of Premier Magnesia, LLC, a privately-owned producer of magnesia-based products, further strengthening the company's Magnesia Specialties segment and expanding capabilities in high-margin specialty products.

Premier Magnesia Acquisition Completed

Martin Marietta appointed Michael J. Petro as Senior Vice President and Chief Financial Officer in July 2025, bringing experienced financial leadership to oversee the company's multi-billion dollar operations and strategic financial planning.

Michael J. Petro Appointed CFO

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