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NAICS 813930 · Labor Unions and Similar Labor Organizations

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Labor union in Westfield, MA

8 labor union in Westfield, MA; 117 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Hampden County Improvement League

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

    Westfield, MA

    Ask it
    Proof for Hampden County Improvement League
    IRS exempt-organization registration
    IRS 046065526
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 046065526 → IRS search

  2. International Association of Fire Fighters

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

    Westfield, MA

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 454213108
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 454213108 → IRS search

  3. International Association of Machinists & Aerospace Workers

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

    Westfield, MA

    Ask it
    Proof for International Association of Machinists & Aerospace Workers
    IRS exempt-organization registration
    IRS 042235354
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 042235354 → IRS search

  4. Massachusetts Teachers Association

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

    Westfield, MA

    Ask it
    Proof for Massachusetts Teachers Association
    IRS exempt-organization registration
    IRS 042671402
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 042671402 → IRS search

  5. Massachusetts Teachers Association

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

    Westfield, MA

    Ask it
    Proof for Massachusetts Teachers Association
    IRS exempt-organization registration
    IRS 237079000
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237079000 → IRS search

  6. National Air Traffic Controllers Association

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

    Westfield, MA

    Ask it
    Proof for National Air Traffic Controllers Association
    IRS exempt-organization registration
    IRS 853639725
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 853639725 → IRS search

  7. United Union of Roofers Waterproofers and Allied Workers

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

    Westfield, MA

    Ask it
    Proof for United Union of Roofers Waterproofers and Allied Workers
    IRS exempt-organization registration
    IRS 042167450
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 042167450 → IRS search

  8. Westfield Patrol Officers Coalition

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

    Westfield, MA

    Ask it
    Proof for Westfield Patrol Officers Coalition
    IRS exempt-organization registration
    IRS 454092732
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Westfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 454092732 → IRS search

  9. Amalgamated Transit Union

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

    Springfield, MA · 10 mi away

    Ask it
    Proof for Amalgamated Transit Union
    IRS exempt-organization registration
    IRS 041025670
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Springfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 041025670 → IRS search

  10. American Federation of Labor & Congress of Industrial Orgs

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

    Springfield, MA · 10 mi away

    Ask it
    Proof for American Federation of Labor & Congress of Industrial Orgs
    IRS exempt-organization registration
    IRS 832217686
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Springfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 832217686 → IRS search

  11. American Federation of Musicians of US & Canada

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

    Springfield, MA · 10 mi away

    Ask it
    Proof for American Federation of Musicians of US & Canada
    IRS exempt-organization registration
    IRS 042050624
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Springfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 042050624 → IRS search

  12. Brotherhood of Railroad Signalmen

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

    W Springfield, MA · 6 mi away

    Ask it
    Proof for Brotherhood of Railroad Signalmen
    IRS exempt-organization registration
    IRS 146049387
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    W Springfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 146049387 → IRS search

  13. Chicopee Professional Municipal Employees Assn

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

    Chicopee, MA · 8 mi away

    Ask it
    Proof for Chicopee Professional Municipal Employees Assn
    IRS exempt-organization registration
    IRS 043215583
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Chicopee, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 043215583 → IRS search

  14. Hcc Mccc

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

    Holyoke, MA · 8 mi away

    Ask it
    Proof for Hcc Mccc
    IRS exempt-organization registration
    IRS 042667790
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Holyoke, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 042667790 → IRS search

  15. Holyoke Educators Association

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

    Holyoke, MA · 8 mi away

    Ask it
    Proof for Holyoke Educators Association
    IRS exempt-organization registration
    IRS 043514862
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Holyoke, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 043514862 → IRS search

  16. International Association of Electrical Inspectors

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

    Russell, MA · 6 mi away

    Ask it
    Proof for International Association of Electrical Inspectors
    IRS exempt-organization registration
    IRS 043165142
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Russell, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 043165142 → IRS search

  17. International Association of Fire Fighters

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

    Agawam, MA · 9 mi away

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 237107559
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Agawam, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237107559 → IRS search

  18. International Association of Fire Fighters

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

    W Springfield, MA · 6 mi away

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 237265688
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    W Springfield, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237265688 → IRS search

  19. International Association of Fire Fighters

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

    Chicopee, MA · 10 mi away

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 510226950
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Chicopee, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 510226950 → IRS search

  20. International Association of Fire Fighters

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

    Southwick, MA · 6 mi away

    Ask it
    Proof for International Association of Fire Fighters
    IRS exempt-organization registration
    IRS 900907952
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(5) labor, agricultural or horticultural organization
    Checked
    Oct 23, 2026
    Where
    Southwick, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 900907952 → IRS search

More cities in Massachusetts

Boston 284Worcester 27Springfield 23Quincy 19Dorchester 18New Bedford 13Taunton 13Leominster 12Pittsfield 12Roslindale 12Braintree 11Cambridge 11Norwood 11Fall River 9Fitchburg 9Lynn 9

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