Martin Marietta MLM

Industrial & DefenseMarket cap $28B3 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 · $190BCaterpillar mining trucks in Martin Marietta quarries

Competitors 2

Companies it competes with

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

Other Industrial & Defense companies

GE Aerospace Caterpillar RTX (Raytheon)Siemens AG Lockheed Martin Honeywell Boeing Deere & Company UPS Eaton

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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.