{"cik":"0000916076","entityType":"operating","sic":"1400","sicDescription":"Mining & Quarrying of  Nonmetallic Minerals (No Fuels)","ownerOrg":"01 Energy & Transportation","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":1,"name":"MARTIN MARIETTA MATERIALS INC","tickers":["MLM"],"exchanges":["NYSE"],"ein":"561848578","lei":null,"description":"","website":"","investorWebsite":"","category":"Large accelerated filer","fiscalYearEnd":"1231","stateOfIncorporation":"NC","stateOfIncorporationDescription":"NC","addresses":{"mailing":{"street1":"4123 PARKLAKE AVE","street2":null,"city":"RALEIGH","stateOrCountry":"NC","zipCode":"27612","stateOrCountryDescription":"NC","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"4123 PARKLAKE AVE","street2":null,"city":"RALEIGH","stateOrCountry":"NC","zipCode":"27612","stateOrCountryDescription":"NC","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"919-781-4550","flags":"","formerNames":[]}