{
    "code": "3299",
    "title": "Nonmetallic Mineral Products, Not Elsewhere Classified",
    "sic_manual": "OSHA SIC Manual",
    "level": "Industry",
    "major_group_code": "32",
    "parent_code": "329",
    "parent_title": "Abrasive, Asbestos, and Miscellaneous",
    "plain_english_definition": "",
    "summary_plain": "",
    "official_definition": "Establishments primarily engaged in the factory production of goods made of plaster of paris and papier-mache, and in manufacturing sand lime products and other nonmetallic mineral products, not elsewhere classified.",
    "official_source": "https://www.osha.gov/sic-manual/3299",
    "classification_note": "",
    "included_activities": [
        "Architectural sculptures, plaster of paris: factory production only",
        "Art goods: plaster of paris, papier-mache, and scagliola",
        "Blocks, sand lime",
        "Brackets, architectural: plaster-factory production only",
        "Built-up mica"
    ],
    "excluded_activities": [],
    "confused_codes": [],
    "official_siblings": [
        {
            "code": "3291",
            "title": "Abrasive Products",
            "url": "https://siccode.com/sic-code/3291/abrasive-products",
            "label": "Industry"
        },
        {
            "code": "3292",
            "title": "Asbestos Products",
            "url": "https://siccode.com/sic-code/3292/asbestos-products",
            "label": "Industry"
        },
        {
            "code": "3295",
            "title": "Minerals and Earths, Ground or Otherwise Treated",
            "url": "https://siccode.com/sic-code/3295/minerals-earths-ground-treated",
            "label": "Industry"
        },
        {
            "code": "3296",
            "title": "Mineral Wool",
            "url": "https://siccode.com/sic-code/3296/mineral-wool",
            "label": "Industry"
        },
        {
            "code": "3297",
            "title": "Nonclay Refractories",
            "url": "https://siccode.com/sic-code/3297/nonclay-refractories",
            "label": "Industry"
        },
        {
            "code": "3299",
            "title": "Nonmetallic Mineral Products, Not Elsewhere Classified",
            "url": "https://siccode.com/sic-code/3299/nonmetallic-mineral-products",
            "label": "Industry"
        }
    ],
    "official_children": [],
    "related_naics_codes": [
        {
            "code": "327110",
            "title": "Pottery, Ceramics, and Plumbing Fixture Manufacturing ",
            "url": "https://siccode.com/naics-code/327110/pottery-ceramics-plumbing-fixture-manufacturing"
        },
        {
            "code": "327420",
            "title": "Gypsum Product Manufacturing",
            "url": "https://siccode.com/naics-code/327420/gypsum-product-manufacturing"
        },
        {
            "code": "327999",
            "title": "All Other Miscellaneous Nonmetallic Mineral Product Manufacturing",
            "url": "https://siccode.com/naics-code/327999/nonmetallic-mineral-product-manufacturing"
        }
    ],
    "example_companies": [
        {
            "name": "Unifrax I, LLC",
            "url": "https://siccode.com/business/unifrax-i-llc",
            "city": "Tonawanda",
            "state": "NY",
            "reviewed": false
        },
        {
            "name": "Johns Manville",
            "url": "https://siccode.com/business/johns-manville-2",
            "city": "Defiance",
            "state": "OH",
            "reviewed": false
        },
        {
            "name": "Morgan Technical Ceramics",
            "url": "https://siccode.com/business/morgan-technical-ceramics-3",
            "city": "Twinsburg",
            "state": "OH",
            "reviewed": false
        },
        {
            "name": "Ceradyne",
            "url": "https://siccode.com/business/ceradyne",
            "city": "Midway",
            "state": "TN",
            "reviewed": false
        },
        {
            "name": "Del Conca USA Inc",
            "url": "https://siccode.com/business/del-conca-usa-inc",
            "city": "Loudon",
            "state": "TN",
            "reviewed": false
        },
        {
            "name": "Ask Chemicals Hi Tech",
            "url": "https://siccode.com/business/ask-chemicals-hi-tech",
            "city": "Alfred Station",
            "state": "NY",
            "reviewed": false
        },
        {
            "name": "D F C Ceramics",
            "url": "https://siccode.com/business/d-f-c-ceramics",
            "city": "Canon City",
            "state": "CO",
            "reviewed": false
        },
        {
            "name": "Parex USA Inc",
            "url": "https://siccode.com/business/parex-usa-inc-4",
            "city": "Riverside",
            "state": "CA",
            "reviewed": false
        },
        {
            "name": "Custom Technical Ceramics Inc",
            "url": "https://siccode.com/business/custom-technical-ceramics-inc",
            "city": "Arvada",
            "state": "CO",
            "reviewed": false
        },
        {
            "name": "CDR Systems Corp",
            "url": "https://siccode.com/business/cdr-systems-corp",
            "city": "Palatka",
            "state": "FL",
            "reviewed": false
        },
        {
            "name": "Asheville Schoonmaker Mica Co",
            "url": "https://siccode.com/business/asheville-schoonmaker-mica-co",
            "city": "Newport News",
            "state": "VA",
            "reviewed": false
        }
    ],
    "company_count": 221,
    "email_contact_count": 102,
    "phone_count": 234,
    "website_count": 237,
    "database_as_of": "Nov 13, 2026",
    "count_type": "commercial",
    "count_disclaimer": "These are SICCODE.com commercial database counts, not official government establishment totals. Website-Reviewed & Enriched is a separate review of company websites for products, services, markets, and fit.",
    "canonical_url": "https://siccode.com/sic-code/3299/nonmetallic-mineral-products",
    "json_url": "https://siccode.com/sic-code/3299.json",
    "reviewed_by": "Industry Classification Review Team",
    "last_updated": "October 2026"
}