{
  "@context": [
    "https://schema.org",
    {
      "ec": "https://entitycodes.org/vocab#"
    }
  ],
  "@type": "DefinedTerm",
  "@id": "https://entitycodes.org/naics/339910/",
  "identifier": "339910",
  "name": "Jewelry and Silverware Manufacturing",
  "description": "This industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing, engraving, chasing, or etching fine and costume jewelry; (2) manufacturing, engraving, chasing, or etching metal personal goods (i.e., small articles carried on or about the person, such as compacts or cigarette cases); (3) manufacturing, engraving, chasing, or etching precious metal solid, precious metal clad, or pewter flatware and other hollowware; (4) stamping coins; (5) manufacturing unassembled jewelry parts and stock shop products, such as sheet, wire, and tubing; (6) cutting, slabbing, tumbling, carving, engraving, polishing, or faceting precious or semiprecious stones and gems; (7) recutting, repolishing, and setting gem stones; and (8) drilling, sawing, and peeling cultured and costume pearls.  This industry includes establishments primarily engaged in manufacturing precious solid, precious clad, and precious plated jewelry and personal goods.",
  "url": "https://entitycodes.org/naics/339910/",
  "inDefinedTermSet": {
    "@type": "DefinedTermSet",
    "name": "NAICS 2022",
    "url": "https://entitycodes.org/naics/"
  },
  "sameAs": [
    "https://www.census.gov/naics/?input=339910&year=2022"
  ],
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "SBA size standard",
      "value": "700 employees",
      "unitText": "employees",
      "description": "13 CFR 121.201, as-of 2023-03-17"
    },
    {
      "@type": "PropertyValue",
      "name": "IRS PBA code",
      "value": "339900",
      "description": "IRS Principal Business Activity code (method: rolled-up)"
    },
    {
      "@type": "PropertyValue",
      "name": "US establishments",
      "value": 1844,
      "description": "Census County Business Patterns 2023"
    }
  ],
  "ec:crosswalk": [
    {
      "system": "SIC 1987",
      "code": "3479",
      "title": "Coating, Engraving, and Allied Services, NEC",
      "confidence": "chain",
      "via": "SIC1987:3479\u2192NAICS1997:339914\u21922002:339914\u21922007:339914\u21922012:339910\u21922017:339910\u21922022:339910",
      "url": "https://entitycodes.org/sic/3479/"
    },
    {
      "system": "SIC 1987",
      "code": "3911",
      "title": "Jewelry, Precious Metal",
      "confidence": "chain",
      "via": "SIC1987:3911\u2192NAICS1997:339911\u21922002:339911\u21922007:339911\u21922012:339910\u21922017:339910\u21922022:339910",
      "url": "https://entitycodes.org/sic/3911/"
    },
    {
      "system": "SIC 1987",
      "code": "3914",
      "title": "Silverware, Plated Ware, and Stainless Steel Ware",
      "confidence": "chain",
      "via": "SIC1987:3914\u2192NAICS1997:339912\u21922002:339912\u21922007:339912\u21922012:339910\u21922017:339910\u21922022:339910",
      "url": "https://entitycodes.org/sic/3914/"
    },
    {
      "system": "SIC 1987",
      "code": "3915",
      "title": "Jewelers Findings and Materials and Lapidary Work",
      "confidence": "chain",
      "via": "SIC1987:3915\u2192NAICS1997:339913\u21922002:339913\u21922007:339913\u21922012:339910\u21922017:339910\u21922022:339910",
      "url": "https://entitycodes.org/sic/3915/"
    },
    {
      "system": "SIC 1987",
      "code": "3961",
      "title": "Costume Jewelry and Costume Novelties, Except Precious Metal",
      "confidence": "chain",
      "via": "SIC1987:3961\u2192NAICS1997:339914\u21922002:339914\u21922007:339914\u21922012:339910\u21922017:339910\u21922022:339910",
      "url": "https://entitycodes.org/sic/3961/"
    }
  ],
  "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": "3399",
    "name": "Other Miscellaneous Manufacturing",
    "@id": "https://entitycodes.org/naics/3399/"
  }
}