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gptkbp:instanceOf
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Corporation
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gptkbp:acquisition
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gptkb:Bluegrass_Materials_Company
gptkb:Baker_Hughes
gptkb:Martin_Marietta_Aggregates
gptkb:Eagle_Materials
gptkb:Hanson_Aggregates
gptkb:Cementos_Argos
gptkb:Rogers_Group
gptkb:Texas_Industries
gptkb:Cementos_de_Chihuahua
Cementos Progreso
Cementos de la Amistad
Cementos de la Costa
Cementos de la Esperanza
Cementos de la Libertad
Cementos de la Luz
Cementos de la Patagonia
Cementos de la Paz
Cementos de la Selva
Cementos de la Sierra
Cementos de la Tierra
Cementos de la Vida
Cemex USA
Cementos de la Montaña
Cementos de la Frontera
Cementos de la Lluvia
Cementos de la Nieve
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gptkbp:CEO
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gptkb:Ward_Nye
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gptkbp:employees
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8,500 (2020)
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gptkbp:founded
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1993
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gptkbp:founder
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gptkb:L._William_Seidman
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gptkbp:headquarters
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gptkb:Bethesda,_Maryland
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https://www.w3.org/2000/01/rdf-schema#label
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Martin Marietta Corporation
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gptkbp:industry
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Construction materials
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gptkbp:location
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gptkb:North_America
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gptkbp:market
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$12 billion (2021)
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gptkbp:parentCompany
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nan
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gptkbp:partnerships
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gptkb:U.S._Army_Corps_of_Engineers
Various state departments of transportation
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gptkbp:products
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Asphalt
Cement
Aggregates
Ready-mix concrete
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gptkbp:revenue
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$4.5 billion (2020)
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gptkbp:serviceArea
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gptkb:United_States
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gptkbp:stockSymbol
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MLM
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gptkbp:subsidiary
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gptkb:Martin_Marietta_Materials
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gptkbp:sustainabilityInitiatives
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Community engagement
Environmental stewardship
Safety programs
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gptkbp:type
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Public company
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gptkbp:website
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www.martinmarietta.com
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