{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/naics/541380/",
  "identifier": "541380",
  "name": "Testing Laboratories and Services",
  "description": "This industry comprises establishments primarily engaged in performing physical, chemical, and other analytical testing services, such as acoustics or vibration testing, assaying, biological testing (except medical and veterinary), calibration testing, electrical and electronic testing, geotechnical testing, mechanical testing, nondestructive testing, or thermal testing.  The testing may occur in a laboratory or on-site.",
  "url": "https://entitycodes.org/naics/541380/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "NAICS 2022",
    "url": "https://entitycodes.org/naics/"
  },
  "sameAs": [
    "https://www.census.gov/naics/?input=541380&year=2022"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SBA size standard",
      "value": "$19,000,000 receipts",
      "unitText": "USD receipts",
      "description": "13 CFR 121.201, as-of 2023-03-17"
    },
    {
      "@type": "PropertyValue",
      "name": "IRS PBA code",
      "value": "541380",
      "description": "IRS Principal Business Activity code (method: exact)"
    },
    {
      "@type": "PropertyValue",
      "name": "US establishments",
      "value": 7463,
      "description": "Census County Business Patterns 2023"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "SIC 1987",
      "code": "8734",
      "title": "Testing Laboratories",
      "confidence": "chain",
      "via": "SIC1987:8734\u2192NAICS1997:54138\u21922002:541380\u21922007:541380\u21922012:541380\u21922017:541380\u21922022:541380",
      "url": "https://entitycodes.org/sic/8734/"
    }
  ],
  "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": "5413",
    "name": "Architectural, Engineering, and Related Services",
    "@id": "https://entitycodes.org/naics/5413/"
  }
}