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NAICS 813930 · Labor Unions and Similar Labor Organizations

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Labor union in Oshkosh, WI

17 labor union in Oshkosh, WI; 86 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. American Federation of State County & Municipal Employees

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

    Oshkosh, WI

    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

  2. American Postal Workers Union

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

    Oshkosh, WI

    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

  3. International Association of Fire Fighters

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

    Oshkosh, WI

    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

  4. International Association of Sheet Metal Air Rail & Transportation

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

    Oshkosh, WI

    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

  5. International Union United Auto Aerospace & Ag Wrkrs of Amer Local 2132

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

    Oshkosh, WI

    Ask it
    Proof for International Union United Auto Aerospace & Ag Wrkrs of Amer Local 2132
    IRS exempt-organization registration
    IRS 391359712
    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 391359712 → IRS search

  6. International Union United Auto Aerospace & Agricultural Workers

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

    Oshkosh, WI

    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

  7. International Union United Auto Aerospace & Agricultural Workers

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

    Oshkosh, WI

    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

  8. International Union United Auto Aerospace & Agricultural Workers Local 291

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

    Oshkosh, WI

    Ask it
    Proof for International Union United Auto Aerospace & Agricultural Workers Local 291
    IRS exempt-organization registration
    IRS 390730789
    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 390730789 → IRS search

  9. National Active and Retired Federal Employees Association

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

    Oshkosh, WI

    Ask it
    Proof for National Active and Retired Federal Employees Association
    IRS exempt-organization registration
    IRS 396104901
    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 396104901 → IRS search

  10. National Air Traffic Controllers Association

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

    Oshkosh, WI

    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

  11. National Association of Letter Carriers

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

    Oshkosh, WI

    Ask it
    Proof for National Association of Letter Carriers
    IRS exempt-organization registration
    IRS 396050222
    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 396050222 → IRS search

  12. Oshkosh Professional Police Association

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

    Oshkosh, WI

    Ask it
    Proof for Oshkosh Professional Police Association
    IRS exempt-organization registration
    IRS 391459530
    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 391459530 → IRS search

  13. United Steelworkers

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

    Oshkosh, WI

    Ask it
    Proof for United Steelworkers
    IRS exempt-organization registration
    IRS 391171442
    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 391171442 → IRS search

  14. United Steelworkers Local 2-469

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

    Oshkosh, WI

    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

  15. Winnebago County Sheriffs Professional Police Assn Inc

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

    Oshkosh, WI

    Ask it
    Proof for Winnebago County Sheriffs Professional Police Assn Inc
    IRS exempt-organization registration
    IRS 396053494
    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 396053494 → IRS search

  16. Wisconsin Berry Growers Association

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

    Oshkosh, WI

    Ask it
    Proof for Wisconsin Berry Growers Association
    IRS exempt-organization registration
    IRS 237180566
    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 237180566 → IRS search

  17. Workers United

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

    Oshkosh, WI

    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 Federation of State County & Municipal Employees

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

    Winnebago, WI · 4 mi away

    Ask it
    Proof for American Federation of State County & Municipal Employees
    IRS exempt-organization registration
    IRS 390965962
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Winnebago, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 390965962 → IRS search

  19. Brotherhood of Locomotive Engineers & Trainmen

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

    Larsen, WI · 14 mi away

    Ask it
    Proof for Brotherhood of Locomotive Engineers & Trainmen
    IRS exempt-organization registration
    IRS 391917512
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Larsen, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 391917512 → IRS search

  20. Brotherhood of Maintenance of Way Employes

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

    Neenah, WI · 11 mi away

    Ask it
    Proof for Brotherhood of Maintenance of Way Employes
    IRS exempt-organization registration
    IRS 830355190
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Neenah, WI · serves Wisconsin
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 830355190 → IRS search

More cities in Wisconsin

Madison 677Milwaukee 66Green Bay 29Eau Claire 23Kenosha 19Janesville 18La Crosse 18Appleton 16Wausau 14Neenah 13Stevens Point 13West Allis 13Wisc Rapids 13Superior 12Manitowoc 11Beloit 10

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