{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/sic/3821/",
  "identifier": "3821",
  "name": "Laboratory Apparatus and Furniture",
  "description": "Standard Industrial Classification (SIC) code 3821: Laboratory Apparatus and Furniture.",
  "url": "https://entitycodes.org/sic/3821/",
  "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 D: Manufacturing"
    },
    {
      "@type": "PropertyValue",
      "name": "SIC major group",
      "value": "Major Group 38: Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "NAICS 2022",
      "code": "337127",
      "title": "Institutional Furniture Manufacturing",
      "confidence": "chain",
      "via": "SIC1987:3821\u2192NAICS1997:339111\u21922002:339111\u21922007:337127\u21922012:337127\u21922017:337127\u21922022:337127",
      "url": "https://entitycodes.org/naics/337127/"
    },
    {
      "system": "NAICS 2022",
      "code": "333415",
      "title": "Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing",
      "confidence": "chain",
      "via": "SIC1987:3821\u2192NAICS1997:339111\u21922002:339111\u21922007:333415\u21922012:333415\u21922017:333415\u21922022:333415",
      "url": "https://entitycodes.org/naics/333415/"
    },
    {
      "system": "NAICS 2022",
      "code": "333998",
      "title": "All Other Miscellaneous General Purpose Machinery Manufacturing",
      "confidence": "chain",
      "via": "SIC1987:3821\u2192NAICS1997:339111\u21922002:339111\u21922007:333997\u21922012:333997\u21922017:333997\u21922022:333998",
      "url": "https://entitycodes.org/naics/333998/"
    },
    {
      "system": "NAICS 2022",
      "code": "339113",
      "title": "Surgical Appliance and Supplies Manufacturing",
      "confidence": "chain",
      "via": "SIC1987:3821\u2192NAICS1997:339111\u21922002:339111\u21922007:339113\u21922012:339113\u21922017:339113\u21922022:339113",
      "url": "https://entitycodes.org/naics/339113/"
    },
    {
      "system": "NAICS 2022",
      "code": "333248",
      "title": "All Other Industrial Machinery Manufacturing",
      "confidence": "chain",
      "via": "SIC1987:3821\u2192NAICS1997:339111\u21922002:339111\u21922007:333298\u21922012:333249\u21922017:333249\u21922022:333248",
      "url": "https://entitycodes.org/naics/333248/"
    },
    {
      "system": "NAICS 2022",
      "code": "333994",
      "title": "Industrial Process Furnace and Oven Manufacturing",
      "confidence": "chain",
      "via": "SIC1987:3821\u2192NAICS1997:339111\u21922002:339111\u21922007:333994\u21922012:333994\u21922017:333994\u21922022:333994",
      "url": "https://entitycodes.org/naics/333994/"
    }
  ],
  "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 38: Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks",
    "name": "SIC Major Group Major Group 38: Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks",
    "@id": "https://entitycodes.org/sic/group/Major Group 38: Measuring, Analyzing, and Controlling Instruments; Photographic, Medical and Optical Goods; Watches and Clocks/"
  }
}