{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/naics/334517/",
  "identifier": "334517",
  "name": "Irradiation Apparatus Manufacturing",
  "description": "This U.S. industry comprises establishments primarily engaged in manufacturing irradiation apparatus and tubes for applications, such as medical diagnostic, medical therapeutic, industrial, research, and scientific evaluation.  Irradiation can take the form of beta-rays, gamma-rays, X-rays, or other ionizing radiation.",
  "url": "https://entitycodes.org/naics/334517/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "NAICS 2022",
    "url": "https://entitycodes.org/naics/"
  },
  "sameAs": [
    "https://www.census.gov/naics/?input=334517&year=2022"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SBA size standard",
      "value": "1,200 employees",
      "unitText": "employees",
      "description": "13 CFR 121.201, as-of 2023-03-17"
    },
    {
      "@type": "PropertyValue",
      "name": "IRS PBA code",
      "value": "334500",
      "description": "IRS Principal Business Activity code (method: rolled-up)"
    },
    {
      "@type": "PropertyValue",
      "name": "US establishments",
      "value": 121,
      "description": "Census County Business Patterns 2023"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "SIC 1987",
      "code": "3844",
      "title": "X-Ray Apparatus and Tubes and Related Irradiation Apparatus",
      "confidence": "chain",
      "via": "SIC1987:3844\u2192NAICS1997:334517\u21922002:334517\u21922007:334517\u21922012:334517\u21922017:334517\u21922022:334517",
      "url": "https://entitycodes.org/sic/3844/"
    },
    {
      "system": "SIC 1987",
      "code": "3845",
      "title": "Electromedical and Electrotherapeutic Apparatus",
      "confidence": "chain",
      "via": "SIC1987:3845\u2192NAICS1997:334517\u21922002:334517\u21922007:334517\u21922012:334517\u21922017:334517\u21922022:334517",
      "url": "https://entitycodes.org/sic/3845/"
    }
  ],
  "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": "3345",
    "name": "Navigational, Measuring, Electromedical, and Control Instruments Manufacturing",
    "@id": "https://entitycodes.org/naics/3345/"
  }
}