Company Overview

Martin Marietta Materials, Inc. is a U.S.-based supplier of construction aggregates and heavy building materials, operating primarily within the construction materials and infrastructure industries. The company’s core business focuses on the extraction, processing, and sale of aggregates—such as crushed stone, sand, and gravel—which are essential inputs for infrastructure, non-residential, and residential construction projects. Aggregates represent the company’s largest revenue driver, supplemented by downstream products including cement, ready mixed concrete, and asphalt.

The company serves a diverse customer base that includes state and local governments, construction contractors, and commercial developers, with demand closely tied to public infrastructure spending and private construction activity. Martin Marietta is recognized for its strategically located quarry network, long-lived mineral reserves, and strong pricing discipline, which collectively provide competitive advantages in regional markets. Founded in 1939 as part of Glenn L. Martin Company, Martin Marietta Materials became an independent, publicly traded company in 1996 and has since expanded through organic growth and targeted acquisitions.

Business Operations

Martin Marietta operates primarily through its Aggregates business, which accounts for the majority of revenue and operating earnings, supported by Cement, Ready Mixed Concrete, and Asphalt and Paving segments. The company generates revenue through the sale and distribution of construction materials to infrastructure, non-residential, and residential end markets. Aggregates operations include quarrying and mining activities, while downstream businesses enhance vertical integration and market reach.

Operations are predominantly domestic, with extensive assets across the United States, complemented by a smaller international presence. The company controls critical assets such as quarries, cement plants, distribution terminals, and transportation infrastructure. Martin Marietta also operates through multiple wholly owned subsidiaries and has historically used acquisitions to expand its reserve base and geographic coverage, while maintaining disciplined capital allocation.

Strategic Position & Investments

Martin Marietta’s strategic direction emphasizes disciplined growth, pricing optimization, and portfolio enhancement through acquisitions in attractive, high-growth markets. The company has pursued bolt-on and transformational acquisitions to expand its aggregates footprint, including the acquisition of Lehigh Hanson’s West Region assets, which significantly increased scale and reserves in key western and southwestern U.S. markets.

The company continues to invest in reserve development, plant modernization, and operational efficiency, while maintaining a focus on safety and environmental stewardship. Strategic investments also include selective downstream integration and logistics improvements to enhance margins and customer service. Exposure to long-term infrastructure funding and population-driven construction demand underpins the company’s growth strategy.

Geographic Footprint

Martin Marietta Materials is headquartered in Raleigh, North Carolina, and operates an extensive network of facilities across the United States, including significant presence in Texas, Colorado, North Carolina, Georgia, Florida, California, and the Midwest. Its quarry and distribution network is positioned near major metropolitan growth corridors, providing logistical and cost advantages.

Internationally, the company has a limited but established presence in Canada and the Bahamas, primarily supporting local construction markets. While the majority of revenue is generated domestically, the company’s geographic diversification across high-growth U.S. regions reduces reliance on any single market and aligns operations with long-term infrastructure and demographic trends.

Leadership & Governance

Martin Marietta is led by an experienced executive team with deep industry and operational expertise. The leadership emphasizes a strategy centered on operational excellence, safety, disciplined capital allocation, and long-term shareholder value creation, supported by a governance framework aligned with public company best practices.

Key executives include:

• Ward Nye – Executive Chairman
• Howard “Hank” Eiffert – President and Chief Executive Officer
• Anne Lloyd – Executive Vice President and Chief Financial Officer
• Donald McInnis – Executive Vice President and Chief Operating Officer
• Seth Adams – Senior Vice President, General Counsel, and Secretary