Martin Marietta MLM

Industrial & DefenseMarket cap $29B3 connections

Martin Marietta is the second-largest US aggregates producer, competing directly with Vulcan Materials. Its quarries supply crushed stone and sand for highway construction, commercial building, and residential development across the South, Midwest, and Mountain states. The US infrastructure bill guarantees years of strong aggregate demand.

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Suppliers 1

Companies that sell to Martin Marietta

CaterpillarIndustrial & Defense · $378BCaterpillar mining trucks in Martin Marietta quarries

Competitors 2

Companies it competes with

Summit MaterialsIndustrial & Defense · $8BAggregates and cement
Eagle MaterialsIndustrial & Defense · $6BCement and aggregates

Other Industrial & Defense companies

Caterpillar GE Aerospace RTX (Raytheon)Deere & Company Eaton Boeing Siemens AG Parker Hannifin Lockheed Martin Amphenol

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Relationships are compiled by VexMap from company filings, announcements and reporting, and last reviewed September 2026. Spotted something wrong? Tell us. Not investment advice.