Martin Marietta

What Martin Marietta does

Martin Marietta, Inc. is a U.S.-domiciled, publicly traded (NYSE: MLM) S&P 500 building materials producer headquartered in Charlotte, North Carolina. The company supplies crushed stone, sand, and gravel (aggregates), asphalt products, ready-mixed concrete, and high-purity specialty magnesia chemicals to construction and industrial end markets across 29 U.S. states, Canada, and The Bahamas through a network of over 500 facilities organized into East, Central, Southwest, West, and Specialties divisions.

The core product portfolio is anchored by aggregates — fine, base, coarse, rip rap, and specialty aggregates — which are produced to ASTM and AASHTO specifications and serve as the upstream input for the company's vertically integrated asphalt and ready-mixed concrete operations. Asphalt offerings span cold-mix, warm-mix, and hot-mix formulations plus full-service paving for federal, military, state DOT, municipal, and private customers. Ready-mixed concrete is batched to project specifications across commercial/institutional, residential, road/bridge, and specialty mix designs. The Specialties business (Magnesia Specialties) supplies dolomitic lime and high-purity minerals for environmental, industrial, and agricultural applications globally. Supporting technology is limited in sophistication: an eRocks online ordering platform, an interactive Product Calculator for customer estimation, and the Guardian Angel employee safety program.

Revenue is generated through one-time transactional sales priced via direct quote at the facility or division level; no public price list exists. The go-to-market motion is direct-to-customer across commercial/institutional construction, residential construction, infrastructure/government, and specialty/industrial segments, with a horizontal segmentation approach that spreads exposure across diverse end uses. The customer base is broad and unnamed at the logo level, including general contractors, federal and state DOTs, residential builders, commercial developers, and industrial buyers, with no single customer concentration disclosed. The company reports approximately 9,131 U.S. employees and was formed through the 1993 merger of Martin Marietta Corporation and American Marietta Corporation.

Name

Martin Marietta

Legal name

Martin Marietta, Inc.

Website

https://scctx.com

Company type

Public

Founded year

1993

Operating status

Operating

Short description

Martin Marietta, Inc. is a publicly traded S&P 500 building materials producer supplying aggregates, asphalt, ready-mixed concrete, and specialty magnesia chemicals through 500+ facilities across 29 U.S. states, Canada, and The Bahamas to construction, infrastructure, residential, and industrial customers.

Ownership category

akta.pro rank

Product category

Construction Aggregates & Building Materials

NAICS

Construction Sand and Gravel Mining (212321), Ready-Mix Concrete Manufacturing (327320), Asphalt Paving Mixture and Block Manufacturing (324121), Cement and Concrete Product Manufacturing (3273), Asphalt Paving, Roofing, and Saturated Materials Manufacturing (32412)

SIC

Asphalt Paving & Roofing Materials (2950), Concrete Products, Except Block & Brick (3272)

akta.pro primary industry

Construction Aggregates Mining & Processing (Sand, Gravel, Crushed Stone) (IMADAAAI)

akta.pro secondary industries

Aggregate Processing & Value-Added Products (Washing, Screening, Asphalt/Concrete Aggregates) (IMAKAHAH), Sand & Gravel Extraction & Processing (IMAKAHAB), Crushed Stone Quarrying & Processing (IMAKAHAA), Asphalt Aggregates & Specialty Aggregates (Rail Ballast, Riprap, Lightweight) (IMADAAAJ)

Keywords

• Construction aggregates supply
• Asphalt manufacturing
• Ready-mixed concrete
• Specialty mineral products
• Building materials distribution

Headquarters

HQ city

Charlotte

HQ country

United States

HQ region

North America

Offices6 records

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Aggregates Sales: Sale of crushed stone, sand, and gravel products for construction projects of all sizes. Products include fine aggregates, base aggregates, coarse aggregates, rip rap aggregates, and specialty aggregates.
2. Asphalt Products: Production and sale of asphalt products including cold-mix, warm-mix, and hot-mixed asphalt, as well as paving services for parking lots and other surfaces.
3. Ready-Mixed Concrete: Production and delivery of ready-mixed concrete batched specifically for each customer's construction project, including commercial, residential, road/bridge, and specialty applications.
4. Specialty Products: High-purity specialty products and dolomitic lime products used worldwide in environmental, industrial, agricultural, and specialty applications through the Magnesia Specialties business.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Martin Marietta manufactures and supplies construction aggregates (crushed stone, sand, gravel across fine, base, coarse, rip rap, and specialty grades), asphalt products (cold-mix, warm-mix, hot-mixed) plus paving services, ready-mixed concrete batched to customer specifications for commercial, residential, road/bridge, and specialty applications, and high-purity specialty products and dolomitic lime through its Magnesia Specialties business. Products are sold directly to construction contractors, government agencies, and residential customers through 500+ facilities across 29 U.S. states, Canada, and The Bahamas.

Product overview

Martin Marietta is an American-based building materials company and leading supplier of aggregates and related products. The company operates a multi-product portfolio organized around four core offerings: (1) Aggregates including Fine, Base, Coarse, and Rip Rap aggregates plus Specialty Aggregates for golf courses, athletic fields, and landscaping; (2) Asphalt products including Cold-Mix, Warm-Mix, and Hot-Mixed Asphalt plus Paving Services; (3) Ready-Mixed Concrete with Commercial, Residential, Road and Bridge, and Specialty variants; and (4) Specialty Products including high-purity specialty products and dolomitic lime for environmental, industrial, and agricultural applications. The company also offers an eRocks online ordering platform. Products are delivered through a network of over 500 facilities across 29 states, Canada, and The Bahamas.

Differentiator

Problem solved

Functional benefit

Brands

• MagneSia Specialties: High-purity specialty products and dolomitic lime products used worldwide in environmental, industrial, agricultural, and specialty applications.

Products and services

• Aggregates High-quality crushed stone, sand, and gravel manufactured to specific grades for construction projects of all sizes. Includes Fine Aggregates, Base Aggregates, Coarse Aggregates, Rip Rap Aggregates, and Specialty Aggregates. For construction companies, contractors, government agencies, and other building materials buyers.
• Asphalt Products Comprehensive range of asphalt products including Cold-Mix/Pre-Coat, Warm-Mix Asphalt, Hot-Mixed Asphalt, plus Paving Services for roads, highways, parking lots, driveways, sidewalks, and other infrastructure. Paving services are provided to federal, military, state DOTs, cities, counties, and private construction customers.
• Ready-Mixed Concrete Ready-mixed concrete transported and poured at project sites, batched specifically for each customer's construction project. Includes Commercial and Institutional, Residential, Road and Bridge, and Specialty concrete products (Shotcrete, Block Fill, Waterproof, Vapor Mitigating, Colloidal). For commercial builders, residential builders, government infrastructure projects, and specialty applications.
• Specialty Products High-purity specialty products and dolomitic lime products used worldwide in environmental, industrial, agricultural, and specialty applications. Sold under the Magnesia Specialties business to industrial, environmental, and agricultural buyers globally.
• eRocks Digital Ordering Platform Online platform for purchasing aggregates and building materials from Martin Marietta. Enables digital transactions and ordering for SMB and individual/consumer buyers.

Quantifiable outcome

• Over 500 facilities providing building materials across North America
• +1 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Nine partnerships are on record, tiered minor.

• Portland Cement AssociationminorOthersTrade association membership. Total indirect lobbying payments made in 2025 were $193,943. The Portland Cement Association has adopted a 'Roadmap to Carbon Neutrality' for the cement and concrete industry.
• American Road & Transportation Builders AssociationminorOthersTrade association membership with $325,700 in membership dues in 2025. Advocates for increased investment in national roads and infrastructure.
• National Ready-Mixed Concrete AssociationminorOthersTrade association membership with $271,936 in membership dues in 2025. Less than $25,000 reported as political contributions.
• United States Chamber of CommerceminorOthersTrade association membership with $150,000 in membership dues in 2025. Less than $75,000 reported as political contributions. Chamber has published climate change position supporting Paris Agreement participation.
• Texas Aggregates and Concrete AssociationminorOthersState trade association membership with $148,927 in membership dues in 2025. Less than $25,000 reported as political contributions.
• Cement Council of TexasminorOthersState trade association membership with $132,612 in membership dues in 2025.
• Gilly's Gold (Beekeeping Services)minorOthersLocal beekeeping service that relocated a honeybee colony from West Center Sand facility in Nebraska, demonstrating environmental stewardship values.
• Dress for Success TriangleminorOthersNonprofit charitable partner benefiting from Women Who Build clothing exchange event. Dedicated to helping women advance toward economic independence.
• Clear Creek Rotary ClubminorOthersLocal community partner. Walstrum Quarry's Touch-a-Truck event raised over $12,000 for the Rotary Club's leadership development, college scholarships, and trade school opportunities.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Eagle Materials: U.S. producer of cement, wallboard, and concrete products. Adjacent in cement and concrete but less directly competitive in aggregates than the top peers.
• Holcim: Switzerland-based global leader in building materials with extensive aggregates, cement, and ready-mix operations. Comparable product mix but with greater global diversification and broader portfolio.

Direct peers

• Vulcan Materials Company: The largest U.S. producer of construction aggregates (crushed stone, sand, gravel) and a major producer of asphalt and ready-mixed concrete. Vulcan is the closest direct competitor to Martin Marietta in aggregates and downstream products across overlapping U.S. geographies.
• CRH plc: Ireland-based global building materials group with a large aggregates, asphalt, and ready-mixed concrete business in North America. Highly comparable in product mix and end-market exposure, with similar downstream integration.
• Cemex: Mexico-based global producer of cement, aggregates, and ready-mixed concrete with significant U.S. operations. Comparable in aggregates and ready-mix, with additional vertical integration via cement that Martin Marietta lacks.
• Heidelberg Materials: Germany-based global building materials company with significant North American aggregates, cement, and ready-mixed concrete operations. Highly comparable in product mix and infrastructure-driven end markets.
• Summit Materials: U.S.-based vertically integrated producer of aggregates, cement, and ready-mixed concrete serving similar infrastructure, residential, and commercial end markets. A direct aggregates competitor with overlapping U.S. footprint.
• Knife River Corporation: U.S.-based aggregates-led producer with significant asphalt and ready-mixed concrete operations. Direct peer in product mix and end markets, with a more regionally concentrated footprint than Martin Marietta.

Regional players

• Boral Limited: Australia-based building materials company with aggregates, asphalt, and concrete operations primarily in Australia and Asia. Comparable product mix but limited geographic overlap with Martin Marietta's North American footprint.

Emerging players

• U.S. Concrete: U.S.-focused aggregates and ready-mixed concrete producer (acquired by Vulcan Materials in 2021). Comparable in aggregates and ready-mix; included as a reference for the segment's consolidation trajectory rather than as an active competitor.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/sccmaterials

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Martin Marietta