Nonprofits in Nassau, New York

Nonprofits in Nassau, New York. Browse 33 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. American Brittany Club Inc

    EIN 146085749 · Headquarters: nassau, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. American Legion Auxiliary

    EIN 943435067 · Headquarters: NASSAU, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Amvets

    EIN 460916317 · Headquarters: Nassau, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Blet Division 867 C/o Gordon E Brinthaupt

    EIN 237354517 · Headquarters: NASSAU, NY, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  5. Castleton Cemetery Association

    EIN 140552942 · Headquarters: NASSAU, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Chandler Young Veterans Association

    EIN 383946034 · Headquarters: Nassau, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Chandler-young Post No 8162 Veterans of Foreign Wars of The

    EIN 237334577 · Headquarters: Nassau, NY, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Crane Soccer Club

    EIN 141801729 · Headquarters: Nassau, NY, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Delta Sigma Phi Fraternity Inc

    EIN 061429758 · Headquarters: Nassau, NY, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Dps Pto Inc

    EIN 824231087 · Headquarters: Nassau, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. East Side Quilters

    EIN 141751682 · Headquarters: Nassau, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Fire Service Women of New York State Inc

    EIN 201628811 · Headquarters: Nassau, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Ichabod Crane Community Assistance Fund

    EIN 823519776 · Headquarters: NASSAU, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Nassau Ambulance Inc

    EIN 201266378 · Headquarters: NASSAU, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Nassau American Legion Post 1268

    EIN 146046371 · Headquarters: NASSAU, NY, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. Nassau Baseball Association Inc

    EIN 141710553 · Headquarters: nassau, NY, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  17. Nassau Free Library

    EIN 146028103 · Headquarters: NASSAU, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Nassau Hose Company 1

    EIN 922435453 · Headquarters: Nassau, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Nassau Nursery Association Inc

    EIN 141504559 · Headquarters: NASSAU, NY, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Nassau Park Lake Improvement Association

    EIN 161571972 · Headquarters: NASSAU, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Nassau Schodack Cemetery Assoc

    EIN 141442392 · Headquarters: Nassau, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Nassau Sunshine Fund

    EIN 300542481 · Headquarters: NASSAU, NY, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Nassau Union of Concerned Citizens Inc

    EIN 222488750 · Headquarters: Nassau, NY, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. New York State Camp Directors Association

    EIN 237376084 · Headquarters: NASSAU, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. No-Charge Cards

    EIN 020615237 · Headquarters: Nassau, NY, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. North Chatham Cemetery Assn

    EIN 141509472 · Headquarters: Nassau, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Northeast Center for Spiritual Growth Inc

    EIN 141811351 · Headquarters: Nassau, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Protect Raquette Lake Inc

    EIN 931461842 · Headquarters: Nassau, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Regulators Riding Club

    EIN 472658436 · Headquarters: Nassau, NY, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Scashco Incorporated

    EIN 843763237 · Headquarters: Nassau, NY, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. The Catherine and Carl Mueller Foundation

    EIN 856758048 · Headquarters: NASSAU, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. Third Act Education Fund Inc

    EIN 934139858 · Headquarters: NASSAU, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Third Act Initiative Inc

    EIN 880776955 · Headquarters: NASSAU, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990