{
    "code": "2821",
    "title": "Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers",
    "sic_manual": "OSHA SIC Manual",
    "level": "Industry",
    "major_group_code": "28",
    "parent_code": "282",
    "parent_title": "Plastics Materials and Synthetic Resins, Synthetic Rubber",
    "plain_english_definition": "",
    "summary_plain": "",
    "official_definition": "Establishments primarily engaged in manufacturing synthetic resins, plastics materials, and nonvulcanizable elastomers. Important products of this industry include: cellulose plastics materials; phenolic and other tar acid resins; urea and melamine resins; vinyl resins; styrene resins; alkyd resins; acrylic resins; polyethylene resins; polypropylene resins; rosin modified resins; coumarone-indene and petroleum polymer resins; miscellaneous resins, including polyamide resins, silicones, polyisobutylenes, polyesters, polycarbonate resins, acetal resins, and fluorohydrocarbon resins; and casein plastics.",
    "official_source": "https://www.osha.gov/sic-manual/2821",
    "classification_note": "",
    "included_activities": [
        "Acetal resins",
        "Acetate cellulose (plastics)",
        "Acrylic resins",
        "Acrylonitrile-butadiene-styrene resins",
        "Alcohol resins, polyvinyl"
    ],
    "excluded_activities": [
        {
            "label": "Miscellaneous Plastics Products",
            "code": "308",
            "title": "Miscellaneous Plastics Products",
            "url": "https://siccode.com/sic-code/308/plastics-products"
        },
        {
            "label": "Custom Compounding of Purchased Plastics Resins",
            "code": "3087",
            "title": "Custom Compounding of Purchased Plastics Resins",
            "url": "https://siccode.com/sic-code/3087/custom-compounding-purchased-plastics-resins"
        },
        {
            "label": "Adhesives and Sealants",
            "code": "2891",
            "title": "Adhesives and Sealants",
            "url": "https://siccode.com/sic-code/2891/adhesives-sealants"
        }
    ],
    "confused_codes": [],
    "official_siblings": [
        {
            "code": "2821",
            "title": "Plastics Materials, Synthetic Resins, and Nonvulcanizable Elastomers",
            "url": "https://siccode.com/sic-code/2821/plastics-materials-synthetic-resins-nonvulcanizable-elastomers",
            "label": "Industry"
        },
        {
            "code": "2822",
            "title": "Synthetic Rubber (Vulcanizable Elastomers)",
            "url": "https://siccode.com/sic-code/2822/synthetic-rubber-vulcanizable-elastomers",
            "label": "Industry"
        },
        {
            "code": "2823",
            "title": "Cellulosic Manmade Fibers",
            "url": "https://siccode.com/sic-code/2823/cellulosic-manmade-fibers",
            "label": "Industry"
        },
        {
            "code": "2824",
            "title": "Manmade Organic Fibers, except Cellulosic",
            "url": "https://siccode.com/sic-code/2824/manmade-organic-fibers",
            "label": "Industry"
        }
    ],
    "official_children": [],
    "related_naics_codes": [
        {
            "code": "325211",
            "title": "Plastics Material and Resin Manufacturing ",
            "url": "https://siccode.com/naics-code/325211/plastics-material-resin-manufacturing"
        }
    ],
    "example_companies": [
        {
            "name": "Kraton Polymers Us, LLC",
            "url": "https://siccode.com/business/kraton-polymers-us-llc",
            "city": "Houston",
            "state": "TX",
            "reviewed": false
        },
        {
            "name": "Cabot Corp",
            "url": "https://siccode.com/business/cabot-corp",
            "city": "Boston",
            "state": "MA",
            "reviewed": false
        },
        {
            "name": "Bamberger Polymers Inc",
            "url": "https://siccode.com/business/bamberger-polymers-inc",
            "city": "Jericho",
            "state": "NY",
            "reviewed": false
        },
        {
            "name": "Ferro Corp",
            "url": "https://siccode.com/business/ferro-corp",
            "city": "Cleveland",
            "state": "OH",
            "reviewed": false
        },
        {
            "name": "Mesa Industries Inc",
            "url": "https://siccode.com/business/mesa-industries-inc",
            "city": "Phoenix",
            "state": "AZ",
            "reviewed": false
        },
        {
            "name": "Nan Ya Plastics Corp",
            "url": "https://siccode.com/business/nan-ya-plastics-corp",
            "city": "Livingston",
            "state": "NJ",
            "reviewed": false
        },
        {
            "name": "Enecon Corp",
            "url": "https://siccode.com/business/enecon-corp",
            "city": "Medford",
            "state": "NY",
            "reviewed": false
        },
        {
            "name": "Sumitomo Bakelite North America Inc / Durez Corp",
            "url": "https://siccode.com/business/sumitomo-bakelite-north-america-inc-durez-corp",
            "city": "Novi",
            "state": "MI",
            "reviewed": false
        },
        {
            "name": "Audia Group, LLC",
            "url": "https://siccode.com/business/audia-group-llc",
            "city": "Washington",
            "state": "PA",
            "reviewed": false
        },
        {
            "name": "Mississippi Polymers Inc",
            "url": "https://siccode.com/business/mississippi-polymers-inc",
            "city": "Germantown",
            "state": "TN",
            "reviewed": false
        },
        {
            "name": "Sealed Air Corp",
            "url": "https://siccode.com/business/sealed-air-corp-21",
            "city": "Duncan",
            "state": "SC",
            "reviewed": false
        }
    ],
    "company_count": 654,
    "email_contact_count": 369,
    "phone_count": 615,
    "website_count": 680,
    "database_as_of": "Nov 6, 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/2821/plastics-materials-synthetic-resins-nonvulcanizable-elastomers",
    "json_url": "https://siccode.com/sic-code/2821.json",
    "reviewed_by": "SICCODE.com Classification Review Team",
    "last_updated": "October 2026"
}