{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/sic/1623/",
  "identifier": "1623",
  "name": "Water, Sewer, Pipeline, and Communications and Power Line Construction",
  "description": "Standard Industrial Classification (SIC) code 1623: Water, Sewer, Pipeline, and Communications and Power Line Construction.",
  "url": "https://entitycodes.org/sic/1623/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "SIC 1987",
    "url": "https://entitycodes.org/sic/"
  },
  "sameAs": [
    "https://www.osha.gov/data/sic-manual"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SIC division",
      "value": "Division C: Construction"
    },
    {
      "@type": "PropertyValue",
      "name": "SIC major group",
      "value": "Major Group 16: Heavy Construction - Other Than Building Construction Contractors"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "NAICS 2022",
      "code": "237120",
      "title": "Oil and Gas Pipeline and Related Structures Construction",
      "confidence": "chain",
      "via": "SIC1987:1623\u2192NAICS1997:23491\u21922002:237120\u21922007:237120\u21922012:237120\u21922017:237120\u21922022:237120",
      "url": "https://entitycodes.org/naics/237120/"
    },
    {
      "system": "NAICS 2022",
      "code": "237110",
      "title": "Water and Sewer Line and Related Structures Construction",
      "confidence": "chain",
      "via": "SIC1987:1623\u2192NAICS1997:23491\u21922002:237110\u21922007:237110\u21922012:237110\u21922017:237110\u21922022:237110",
      "url": "https://entitycodes.org/naics/237110/"
    },
    {
      "system": "NAICS 2022",
      "code": "237130",
      "title": "Power and Communication Line and Related Structures Construction",
      "confidence": "chain",
      "via": "SIC1987:1623\u2192NAICS1997:23492\u21922002:237130\u21922007:237130\u21922012:237130\u21922017:237130\u21922022:237130",
      "url": "https://entitycodes.org/naics/237130/"
    }
  ],
  "ec:provenance": {
    "definition": {
      "source": "US OSHA 1987 SIC Manual",
      "type": "US gov \u2014 public domain"
    },
    "crosswalk": {
      "source": "Census NAICS\u2194SIC concordance",
      "method": "transitive chain (NOT direct)"
    }
  },
  "license": "https://www.usa.gov/government-works",
  "dateModified": "2026-07-21",
  "isPartOf": {
    "@type": "DefinedTerm",
    "identifier": "Major Group 16: Heavy Construction - Other Than Building Construction Contractors",
    "name": "SIC Major Group Major Group 16: Heavy Construction - Other Than Building Construction Contractors",
    "@id": "https://entitycodes.org/sic/group/Major Group 16: Heavy Construction - Other Than Building Construction Contractors/"
  }
}