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NAICS 813930 · Labor Unions and Similar Labor Organizations

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Labor union in Fond du Lac, WI

8 labor union in Fond du Lac, WI; 60 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. American Federation of Labor & Congress of Industrial Orgs

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for American Federation of Labor & Congress of Industrial Orgs
    IRS exempt-organization registration
    IRS 390927961
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 390927961 → IRS search

  2. Brotherhood of Locomotive Engineers and Trainmen

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for Brotherhood of Locomotive Engineers and Trainmen
    IRS exempt-organization registration
    IRS 364202245
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 364202245 → IRS search

  3. International Association of Fire Fighters

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 396078002
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 396078002 → IRS search

  4. International Association of Machinists & Aerospace Workers

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for International Association of Machinists & Aerospace Workers
    IRS exempt-organization registration
    IRS 390804126
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 390804126 → IRS search

  5. International Association of Sheet Metal Air Rail & Transportation

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for International Association of Sheet Metal Air Rail & Transportation
    IRS exempt-organization registration
    IRS 391918543
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 391918543 → IRS search

  6. National Association of Letter Carriers

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for National Association of Letter Carriers
    IRS exempt-organization registration
    IRS 396050027
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 396050027 → IRS search

  7. National Rural Letter Carriers Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for National Rural Letter Carriers Association
    IRS exempt-organization registration
    IRS 237234719
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237234719 → IRS search

  8. United Steelworkers

    Active501(c)(5) labor, agricultural or horticultural organization

    Fond Du Lac, WI

    Ask it
    Proof for United Steelworkers
    IRS exempt-organization registration
    IRS 396076461
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 396076461 → IRS search

  9. Brotherhood of Maintenance of Way Employees

    Active501(c)(5) labor, agricultural or horticultural organization

    N Fond Du Lac, WI · 4 mi away

    Ask it
    Proof for Brotherhood of Maintenance of Way Employees
    IRS exempt-organization registration
    IRS 861054117
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    N Fond Du Lac, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 861054117 → IRS search

  10. American Federation of State County & Municipal Employees

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for American Federation of State County & Municipal Employees
    IRS exempt-organization registration
    IRS 396095617
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 396095617 → IRS search

  11. International Association of Sheet Metal Air Rail & Transportation

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for International Association of Sheet Metal Air Rail & Transportation
    IRS exempt-organization registration
    IRS 391925977
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 391925977 → IRS search

  12. International Union United Auto Aerospace & Agricultural Workers

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for International Union United Auto Aerospace & Agricultural Workers
    IRS exempt-organization registration
    IRS 390975236
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 390975236 → IRS search

  13. International Union United Auto Aerospace & Agricultural Workers

    Active501(c)(5) labor, agricultural or horticultural organization

    Malone, WI · 11 mi away

    Ask it
    Proof for International Union United Auto Aerospace & Agricultural Workers
    IRS exempt-organization registration
    IRS 390988574
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Malone, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 390988574 → IRS search

  14. International Union United Auto Aerospace & Agricultural Workers

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for International Union United Auto Aerospace & Agricultural Workers
    IRS exempt-organization registration
    IRS 237288342
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237288342 → IRS search

  15. National Air Traffic Controllers Association

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for National Air Traffic Controllers Association
    IRS exempt-organization registration
    IRS 843895616
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 843895616 → IRS search

  16. United Steelworkers Local 2-469

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for United Steelworkers Local 2-469
    IRS exempt-organization registration
    IRS 391152992
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 391152992 → IRS search

  17. Workers United

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 13 mi away

    Ask it
    Proof for Workers United
    IRS exempt-organization registration
    IRS 391150357
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 391150357 → IRS search

  18. American Postal Workers Union

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 18 mi away

    Ask it
    Proof for American Postal Workers Union
    IRS exempt-organization registration
    IRS 396077503
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 396077503 → IRS search

  19. Communications Workers of America Local 4652

    Active501(c)(5) labor, agricultural or horticultural organization

    Mayville, WI · 19 mi away

    Ask it
    Proof for Communications Workers of America Local 4652
    IRS exempt-organization registration
    IRS 852436565
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Mayville, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 852436565 → IRS search

  20. International Association of Fire Fighters

    Active501(c)(5) labor, agricultural or horticultural organization

    Oshkosh, WI · 18 mi away

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 396076460
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Oshkosh, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 396076460 → IRS search

More cities in Wisconsin

Madison 677Milwaukee 66Green Bay 29Eau Claire 23Kenosha 19Janesville 18La Crosse 18Oshkosh 17Appleton 16Wausau 14Neenah 13Stevens Point 13West Allis 13Wisc Rapids 13Superior 12Manitowoc 11

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