Martin Marietta Materials
Martin Marietta Materials is a leading natural resource-based company specializing in the supply of aggregates and heavy-side building materials. The company operates an extensive network of quarries and distribution yards across North America, providing essential materials for infrastructure, nonresidential, and residential construction. Its value proposition is centered on a vertically integrated model that leverages significant mineral reserves and a strategic long-haul distribution network to serve high-growth markets.
Financials
Based on Q1 2026 filing
Revenue
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Building Materials
primaryThis segment focuses on the extraction and processing of aggregates and the production of downstream construction materials. It serves as the company's primary business, providing critical inputs for public infrastructure and private construction projects.
Crushed Stone, Sand, Gravel, Ready Mixed Concrete, Asphalt, Portland Limestone Cement (Type 1L)
Public Infrastructure Contractors, Commercial Developers, Residential Homebuilders, Railroad Operators, Agricultural Producers
Specialties
moderateThis segment manufactures high-purity magnesia-based chemical products and dolomitic lime. These products serve specialized technical applications in environmental, industrial, and agricultural sectors.
Magnesium Oxide, Magnesium Hydroxide, Magnesium Sulfate (Epsom Salt), Dolomitic Lime
Steel Producers, Wastewater Treatment Facilities, Pulp and Paper Manufacturers, Agricultural Chemical Companies
Segment Financials
Building Materials Business East Group — Total Assets
View metricBuilding Materials Business West Group — Total Assets
View metricBuilding Materials Business East Group — Property Plant And Equipment Additions Through Acquisitions
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Competitive Position
A leading aggregates producer in the United States with a dominant position in the underground limestone mining sector and a strategic long-haul rail and waterborne distribution network.
Geographies
United States, Canada, The Bahamas
Customer Segments
Infrastructure, Commercial, Residential, Industrial
Upstream Dependencies
Energy providers (Natural Gas, Coal, Petroleum Coke), Liquid Asphalt/Bitumen suppliers, Explosives manufacturers, Heavy machinery and haul truck OEMs, Railroad and shipping logistics providers
Downstream Customers
Department of Transportation (DOT) agencies, General contractors, Steel manufacturers, Utility plants, Environmental remediation firms
Competitors & Partners
Competitors
Vulcan Materials Company
VMC
Direct competitor in U.S. aggregates and construction materials
CRH
CRH
Global building materials competitor and acquirer of South Texas assets
HEICO
HEI
Global aggregates and cement competitor
Arcosa
ACA
Competitor in aggregates and construction products
Knife River
KNF
U.S. aggregates and construction materials competitor
Similar Companies
Partners
QUIKRETE
Asset exchange partner for cement and ready mixed concrete divestitures
Subsidiaries
Albert Frei & Sons, Inc.
Aggregates producer in Colorado acquired in 2024
Blue Water Industries LLC
Southeast aggregates operations acquired in 2024
Premier Magnesia, LLC
Producer of magnesia-based products acquired in 2025
Martin Marietta Materials FAQ
Common questions about Martin Marietta Materials
Martin Marietta Materials is a leading natural resource-based company specializing in the supply of aggregates and heavy-side building materials. The company operates an extensive network of quarries and distribution yards across North America, providing essential materials for infrastructure, nonresidential, and residential construction. Its value proposition is centered on a vertically integrated model that leverages significant mineral reserves and a strategic long-haul distribution network to serve high-growth markets.
Martin Marietta Materials (MLM) has a market capitalization of $34.5B and trades on NYSE.
Martin Marietta Materials generated $6.4B in trailing twelve-month revenue with net income of $2.5B, representing a net margin of 39.9%. Gross margin stands at 27.3%, with free cash flow of $1.0B. These figures are based on the Q1 2026 filing.
Martin Marietta Materials's key competitors include Vulcan Materials Company, CRH plc, Heidelberg Materials AG, and others. These companies compete in similar markets and product categories.
Martin Marietta Materials has approximately 9,400 employees.