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NAICS 813930 · Labor Unions and Similar Labor Organizations

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Labor union in Waterloo, IA

20 labor union in Waterloo, IA; 54 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Afl-Cio Building Corporation Inc

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

    Waterloo, IA

    Ask it
    Proof for Afl-Cio Building Corporation Inc
    IRS exempt-organization registration
    IRS 921528113
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 921528113 → IRS search

  2. American Federation of Labor and Congress of Industrial Organizatio

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

    Waterloo, IA

    Ask it
    Proof for American Federation of Labor and Congress of Industrial Organizatio
    IRS exempt-organization registration
    IRS 426076326
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426076326 → IRS search

  3. American Federation of State County & Municipal Employees

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

    Waterloo, IA

    Ask it
    Proof for American Federation of State County & Municipal Employees
    IRS exempt-organization registration
    IRS 352507761
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 352507761 → IRS search

  4. American Federation of State County & Municipal Employees

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

    Waterloo, IA

    Ask it
    Proof for American Federation of State County & Municipal Employees
    IRS exempt-organization registration
    IRS 421170326
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421170326 → IRS search

  5. American Postal Workers Union

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

    Waterloo, IA

    Ask it
    Proof for American Postal Workers Union
    IRS exempt-organization registration
    IRS 237340864
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237340864 → IRS search

  6. Brotherhood of Maintenance of Way Employees

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

    Waterloo, IA

    Ask it
    Proof for Brotherhood of Maintenance of Way Employees
    IRS exempt-organization registration
    IRS 426019852
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426019852 → IRS search

  7. Communication Workers of America

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

    Waterloo, IA

    Ask it
    Proof for Communication Workers of America
    IRS exempt-organization registration
    IRS 420822947
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420822947 → IRS search

  8. Hawkeye Professional Educators Assn

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

    Waterloo, IA

    Ask it
    Proof for Hawkeye Professional Educators Assn
    IRS exempt-organization registration
    IRS 421267107
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421267107 → IRS search

  9. Hudson Education Association

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

    Waterloo, IA

    Ask it
    Proof for Hudson Education Association
    IRS exempt-organization registration
    IRS 421063037
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421063037 → IRS search

  10. International Association of Fire Fighters

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

    Waterloo, IA

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 426059221
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426059221 → IRS search

  11. International Association of Machinists & Aerospace Workers

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

    Waterloo, IA

    Ask it
    Proof for International Association of Machinists & Aerospace Workers
    IRS exempt-organization registration
    IRS 420734661
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420734661 → IRS search

  12. International Brotherhood of Electrical Workers

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

    Waterloo, IA

    Ask it
    Proof for International Brotherhood of Electrical Workers
    IRS exempt-organization registration
    IRS 420328996
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420328996 → IRS search

  13. International Union United Auto Aerospace & Agricultural Workers

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

    Waterloo, IA

    Ask it
    Proof for International Union United Auto Aerospace & Agricultural Workers
    IRS exempt-organization registration
    IRS 420231312
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420231312 → IRS search

  14. Iowa Farm Bureau Federation

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

    Waterloo, IA

    Ask it
    Proof for Iowa Farm Bureau Federation
    IRS exempt-organization registration
    IRS 420142423
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420142423 → IRS search

  15. National Active and Retired Federal Employees Association

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

    Waterloo, IA

    Ask it
    Proof for National Active and Retired Federal Employees Association
    IRS exempt-organization registration
    IRS 426124959
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426124959 → IRS search

  16. National Air Traffic Controllers Association

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

    Waterloo, IA

    Ask it
    Proof for National Air Traffic Controllers Association
    IRS exempt-organization registration
    IRS 421336578
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421336578 → IRS search

  17. National Association of Letter Carriers

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

    Waterloo, IA

    Ask it
    Proof for National Association of Letter Carriers
    IRS exempt-organization registration
    IRS 426077716
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426077716 → IRS search

  18. National Dairy Cattle Congress

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

    Waterloo, IA

    Ask it
    Proof for National Dairy Cattle Congress
    IRS exempt-organization registration
    IRS 420206085
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 420206085 → IRS search

  19. United Steelworkers

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

    Waterloo, IA

    Ask it
    Proof for United Steelworkers
    IRS exempt-organization registration
    IRS 426067250
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426067250 → IRS search

  20. Waterloo Police Protective Association

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

    Waterloo, IA

    Ask it
    Proof for Waterloo Police Protective Association
    IRS exempt-organization registration
    IRS 426055159
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Waterloo, IA · serves Iowa
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 426055159 → IRS search

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