{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/naics/333413/",
  "identifier": "333413",
  "name": "Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing",
  "description": "This U.S. industry comprises establishments primarily engaged in (1) manufacturing stationary air purification equipment, such as industrial dust and fume collection equipment, electrostatic precipitation equipment, warm air furnace filters, air washers, and other dust collection equipment, and/or (2) manufacturing attic fans and industrial and commercial fans and blowers, such as commercial exhaust fans and commercial ventilating fans.",
  "url": "https://entitycodes.org/naics/333413/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "NAICS 2022",
    "url": "https://entitycodes.org/naics/"
  },
  "sameAs": [
    "https://www.census.gov/naics/?input=333413&year=2022"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SBA size standard",
      "value": "500 employees",
      "unitText": "employees",
      "description": "13 CFR 121.201, as-of 2023-03-17"
    },
    {
      "@type": "PropertyValue",
      "name": "IRS PBA code",
      "value": "333410",
      "description": "IRS Principal Business Activity code (method: rolled-up)"
    },
    {
      "@type": "PropertyValue",
      "name": "US establishments",
      "value": 479,
      "description": "Census County Business Patterns 2023"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "SIC 1987",
      "code": "3564",
      "title": "Industrial and Commercial Fans and Blowers and Air Purification Equipment",
      "confidence": "chain",
      "via": "SIC1987:3564\u2192NAICS1997:333411\u21922002:333411\u21922007:333411\u21922012:333413\u21922017:333413\u21922022:333413",
      "url": "https://entitycodes.org/sic/3564/"
    }
  ],
  "ec:provenance": {
    "definition": {
      "source": "US Census 2022 NAICS Manual",
      "type": "US gov \u2014 public domain"
    },
    "crosswalk": {
      "source": "Census NAICS\u2194SIC concordance",
      "method": "transitive chain (NOT direct)"
    },
    "sba_size_standard": {
      "source": "SBA Table of Size Standards (13 CFR 121.201)",
      "as_of": "2023-03-17"
    },
    "establishments": {
      "source": "Census County Business Patterns",
      "year": 2023
    }
  },
  "license": "https://www.usa.gov/government-works",
  "dateModified": "2026-07-21",
  "isPartOf": {
    "@type": "DefinedTerm",
    "identifier": "3334",
    "name": "Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing",
    "@id": "https://entitycodes.org/naics/3334/"
  }
}