{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/naics/334515/",
  "identifier": "334515",
  "name": "Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals",
  "description": "This U.S. industry comprises establishments primarily engaged in manufacturing instruments for measuring and testing the characteristics of electricity and electrical signals.  Examples of products made by these establishments are circuit and continuity testers, voltmeters, ohm meters, wattmeters, multimeters, and semiconductor test equipment.",
  "url": "https://entitycodes.org/naics/334515/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "NAICS 2022",
    "url": "https://entitycodes.org/naics/"
  },
  "sameAs": [
    "https://www.census.gov/naics/?input=334515&year=2022"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SBA size standard",
      "value": "750 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": 672,
      "description": "Census County Business Patterns 2023"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "SIC 1987",
      "code": "3663",
      "title": "Radio and Television Broadcasting and Communications Equipment",
      "confidence": "chain",
      "via": "SIC1987:3663\u2192NAICS1997:33422\u21922002:334220\u21922007:334515\u21922012:334515\u21922017:334515\u21922022:334515",
      "url": "https://entitycodes.org/sic/3663/"
    },
    {
      "system": "SIC 1987",
      "code": "3679",
      "title": "Electronic Components, NEC",
      "confidence": "chain",
      "via": "SIC1987:3679\u2192NAICS1997:33422\u21922002:334220\u21922007:334515\u21922012:334515\u21922017:334515\u21922022:334515",
      "url": "https://entitycodes.org/sic/3679/"
    },
    {
      "system": "SIC 1987",
      "code": "3825",
      "title": "Instruments for Measuring and Testing of Electricity and Electrical Signals",
      "confidence": "chain",
      "via": "SIC1987:3825\u2192NAICS1997:334515\u21922002:334515\u21922007:334515\u21922012:334515\u21922017:334515\u21922022:334515",
      "url": "https://entitycodes.org/sic/3825/"
    }
  ],
  "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/"
  }
}