{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/naics/334510/",
  "identifier": "334510",
  "name": "Electromedical and Electrotherapeutic Apparatus Manufacturing",
  "description": "This U.S. industry comprises establishments primarily engaged in manufacturing electromedical and electrotherapeutic apparatus, such as magnetic resonance imaging equipment, medical ultrasound equipment, pacemakers, hearing aids, electrocardiographs, and electromedical endoscopic equipment.",
  "url": "https://entitycodes.org/naics/334510/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "NAICS 2022",
    "url": "https://entitycodes.org/naics/"
  },
  "sameAs": [
    "https://www.census.gov/naics/?input=334510&year=2022"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SBA size standard",
      "value": "1,250 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": 892,
      "description": "Census County Business Patterns 2023"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "SIC 1987",
      "code": "3842",
      "title": "Orthopedic, Prosthetic, and Surgical Appliances and Supplies",
      "confidence": "chain",
      "via": "SIC1987:3842\u2192NAICS1997:334510\u21922002:334510\u21922007:334510\u21922012:334510\u21922017:334510\u21922022:334510",
      "url": "https://entitycodes.org/sic/3842/"
    },
    {
      "system": "SIC 1987",
      "code": "3845",
      "title": "Electromedical and Electrotherapeutic Apparatus",
      "confidence": "chain",
      "via": "SIC1987:3845\u2192NAICS1997:334510\u21922002:334510\u21922007:334510\u21922012:334510\u21922017:334510\u21922022:334510",
      "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/"
  }
}