{
    "code": "3672",
    "title": "Printed Circuit Boards",
    "sic_manual": "OSHA SIC Manual",
    "level": "Industry",
    "major_group_code": "36",
    "parent_code": "367",
    "parent_title": "Electronic Components and Accessories",
    "plain_english_definition": "",
    "summary_plain": "",
    "official_definition": "Establishments primarily engaged in manufacturing printed circuit boards.",
    "official_source": "https://www.osha.gov/sic-manual/3672",
    "classification_note": "",
    "included_activities": [
        "Circuit boards, television and radio: printed",
        "Printed circuit boards",
        "Printed circuits",
        "Wiring boards"
    ],
    "excluded_activities": [],
    "confused_codes": [],
    "official_siblings": [
        {
            "code": "3671",
            "title": "Electron Tubes",
            "url": "https://siccode.com/sic-code/3671/electron-tubes",
            "label": "Industry"
        },
        {
            "code": "3672",
            "title": "Printed Circuit Boards",
            "url": "https://siccode.com/sic-code/3672/printed-circuit-boards",
            "label": "Industry"
        },
        {
            "code": "3674",
            "title": "Semiconductors and Related Devices",
            "url": "https://siccode.com/sic-code/3674/semiconductors-devices",
            "label": "Industry"
        },
        {
            "code": "3675",
            "title": "Electronic Capacitors",
            "url": "https://siccode.com/sic-code/3675/electronic-capacitors",
            "label": "Industry"
        },
        {
            "code": "3676",
            "title": "Electronic Resistors",
            "url": "https://siccode.com/sic-code/3676/electronic-resistors",
            "label": "Industry"
        },
        {
            "code": "3677",
            "title": "Electronic Coils, Transformers, and other Inductors",
            "url": "https://siccode.com/sic-code/3677/electronic-coils-transformers-inductors",
            "label": "Industry"
        },
        {
            "code": "3678",
            "title": "Electronic Connectors",
            "url": "https://siccode.com/sic-code/3678/electronic-connectors",
            "label": "Industry"
        },
        {
            "code": "3679",
            "title": "Electronic Components, Not Elsewhere Classified",
            "url": "https://siccode.com/sic-code/3679/electronic-components",
            "label": "Industry"
        }
    ],
    "official_children": [],
    "related_naics_codes": [
        {
            "code": "334412",
            "title": "Bare Printed Circuit Board Manufacturing  ",
            "url": "https://siccode.com/naics-code/334412/bare-printed-circuit-board-manufacturing"
        }
    ],
    "example_companies": [
        {
            "name": "Ttm Technologies Inc",
            "url": "https://siccode.com/business/ttm-technologies-inc",
            "city": "Costa Mesa",
            "state": "CA",
            "reviewed": false
        },
        {
            "name": "Westak Inc",
            "url": "https://siccode.com/business/westak-inc",
            "city": "Sunnyvale",
            "state": "CA",
            "reviewed": false
        },
        {
            "name": "T TM Technologies",
            "url": "https://siccode.com/business/t-tm-technologies",
            "city": "Chippewa Falls",
            "state": "WI",
            "reviewed": false
        },
        {
            "name": "Multek Flexible Circuits Inc",
            "url": "https://siccode.com/business/multek-flexible-circuits-inc",
            "city": "Northfield",
            "state": "MN",
            "reviewed": false
        },
        {
            "name": "Sanmina Corp",
            "url": "https://siccode.com/business/sanmina-corp-10",
            "city": "San Jose",
            "state": "CA",
            "reviewed": false
        },
        {
            "name": "Cal Comp Electronic",
            "url": "https://siccode.com/business/cal-comp-electronic",
            "city": "Logansport",
            "state": "IN",
            "reviewed": false
        },
        {
            "name": "Arc Tronics Inc",
            "url": "https://siccode.com/business/arc-tronics-inc",
            "city": "Elk Grove Village",
            "state": "IL",
            "reviewed": false
        },
        {
            "name": "Gorilla Circuits Inc",
            "url": "https://siccode.com/business/gorilla-circuits-inc",
            "city": "San Jose",
            "state": "CA",
            "reviewed": false
        },
        {
            "name": "Parlex USA Inc",
            "url": "https://siccode.com/business/parlex-usa-inc",
            "city": "Methuen",
            "state": "MA",
            "reviewed": false
        },
        {
            "name": "American Standard Circuits Inc",
            "url": "https://siccode.com/business/american-standard-circuits-inc",
            "city": "West Chicago",
            "state": "IL",
            "reviewed": false
        },
        {
            "name": "Hallmark Circuit Inc",
            "url": "https://siccode.com/business/hallmark-circuit-inc",
            "city": "Poway",
            "state": "CA",
            "reviewed": false
        }
    ],
    "company_count": 428,
    "email_contact_count": 256,
    "phone_count": 441,
    "website_count": 478,
    "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/3672/printed-circuit-boards",
    "json_url": "https://siccode.com/sic-code/3672.json",
    "reviewed_by": "Industry Classification Review Team",
    "last_updated": "October 2026"
}