Nonprofits in Smithtown, New York

Nonprofits in Smithtown, New York. Browse 224 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. 005-363 Smithtown

    EIN 112764959 · Headquarters: Smithtown, NY, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. A Quiet Place Inc

    EIN 471481061 · Headquarters: Smithtown, NY, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Actgive Ministries Inc

    EIN 392503778 · Headquarters: SMITHTOWN, NY, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. America's Vetdogs the Veterans K-9 Corps Inc

    EIN 208814368 · Headquarters: SMITHTOWN, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Academy of Pediatrics New York Chapter 2 Inc

    EIN 112825086 · Headquarters: Smithtown, NY, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. American Fed of Teachers 3010 3010 Smithtown Teachers Associa

    EIN 112481227 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. American Federation of Teachers

    EIN 202324266 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Federation of Teachers

    EIN 800481366 · Headquarters: SMITHTOWN, NY, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. American Federations of Teachers

    EIN 112631262 · Headquarters: Smithtown, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Legion

    EIN 113259624 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Society of Clinical Rheumatologists Inc

    EIN 202626054 · Headquarters: SMITHTOWN, NY, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990

  12. Ancient Order of Hibernians in America

    EIN 237633998 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Angel Guardians for the Elderly and Autistic Children Inc

    EIN 510181766 · Headquarters: Smithtown, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Angels 4 Compassion Inc

    EIN 823432504 · Headquarters: SMITHTOWN, NY, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Ankay

    EIN 300569654 · Headquarters: Smithtown, NY, US · Youth Development · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  16. Association of Insurance & Reins Run-off Cos Inc

    EIN 412161294 · Headquarters: SMITHTOWN, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Association of Notre Dame Clubs Inc - Long Island

    EIN 112601113 · Headquarters: SMITHTOWN, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Astha USA Inc

    EIN 384229171 · Headquarters: Smithtown, NY, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  19. Benevolent & Protective Order of Elks of USA 2036

    EIN 111964911 · Headquarters: Smithtown, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Blue Umbrella Experience Inc

    EIN 852623401 · Headquarters: SMITHTOWN, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Booster Club of Smithtown Inc

    EIN 112432844 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Branch Brook Elementary Pta

    EIN 113121271 · Headquarters: Smithtown, NY, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  23. Bringing Out the Smiles Inc

    EIN 922223813 · Headquarters: SMITHTOWN, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Brucies Angels

    EIN 851737136 · Headquarters: Smithtown, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Candle for Hope Ny Inc

    EIN 815102325 · Headquarters: SMITHTOWN, NY, US · Public & Societal Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Charity Snake Ltd

    EIN 994847422 · Headquarters: Smithtown, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Civil Service Employees Association

    EIN 113119654 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Civil Service Employees Association Inc

    EIN 882852210 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Community Youth Football

    EIN 113265145 · Headquarters: SMITHTOWN, NY, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  30. Condor Foundation Inc

    EIN 994596683 · Headquarters: Smithtown, NY, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Cornell Asian Alumni Association Inc

    EIN 133583407 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Curvy Girls Foundation Inc

    EIN 462737339 · Headquarters: SMITHTOWN, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Ddi Foundation Inc

    EIN 112911733 · Headquarters: SMITHTOWN, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990

  34. Decorative Furnishings Association

    EIN 132857251 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Developmental Disabilities Institute Inc

    EIN 116077347 · Headquarters: SMITHTOWN, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Developmental Disabilities Institute Parents Association Inc

    EIN 823230498 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Dogwood PTA

    EIN 112963782 · Headquarters: Smithtown, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Doitfor Achievement Inc

    EIN 824570909 · Headquarters: SMITHTOWN, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  39. Dongan Patent Lodge No 1134 Free & Accepted Masons

    EIN 116028898 · Headquarters: Smithtown, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Dr Paul E Kirdlay Memorial Fund

    EIN 900462893 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Dynamics Twirling Organization Inc

    EIN 141949545 · Headquarters: Smithtown, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Eight County Chapter Three of the American Academy of Pediatrics Inc

    EIN 133653350 · Headquarters: Smithtown, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Elbr Inc

    EIN 352677030 · Headquarters: Smithtown, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Elder Watch Foundation

    EIN 300238048 · Headquarters: Smithtown, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Elwood Summer Program Inc

    EIN 262491233 · Headquarters: Smithtown, NY, US · Youth Development · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  46. Environmental Centers of Setauket-smithtown Inc

    EIN 237177705 · Headquarters: SMITHTOWN, NY, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Experimental Aircraft Association Ch 594 Bay Shore Ny Inc

    EIN 112431186 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Fdny Marine Corps Association

    EIN 770618297 · Headquarters: SMITHTOWN, NY, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Federated Garden Clubs of New York State Inc

    EIN 112694953 · Headquarters: Smithtown, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Feline Protection and Welfare Society Inc

    EIN 311640898 · Headquarters: Smithtown, NY, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. Firefighter Cancer Awareness & Ment

    EIN 331630326 · Headquarters: Smithtown, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Foundation for Child and Family Inc

    EIN 161183061 · Headquarters: SMITHTOWN, NY, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  53. Foundation for Coalition of Mental Health Professionals and Consumers

    EIN 841482722 · Headquarters: SMITHTOWN, NY, US · Mental Health & Crisis Intervention · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  54. Fraternal Order of Police

    EIN 112985029 · Headquarters: smithtown, NY, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  55. Free & Accepted Masons of New York

    EIN 111793360 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Friends of Caleb Smith Preserve

    EIN 113559605 · Headquarters: Smithtown, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Friends of Music of Smithtown Inc

    EIN 461799978 · Headquarters: Smithtown, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Friends of the Retired and Senior Volunteer Program of Suffolkinc

    EIN 113493688 · Headquarters: SMITHTOWN, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Gay Officers Action League of Long Island

    EIN 273628740 · Headquarters: Smithtown, NY, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Greater Smithtown Chamber of Commerce

    EIN 113030977 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Guide Dog Foundation for the Blind Inc

    EIN 111687477 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Happy Tails Dog Rescue Inc

    EIN 474863806 · Headquarters: Smithtown, NY, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Hauppauge Eagles Booster Club Inc C/o Paul Dill

    EIN 800234825 · Headquarters: SMITHTOWN, NY, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  64. Hauppauge Eagles Class 2032 Corp

    EIN 994296744 · Headquarters: Smithtown, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Hauppauge Eagles Inc

    EIN 873205200 · Headquarters: SMITHTOWN, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Hauppauge Wrestling Club Inc

    EIN 202757227 · Headquarters: Smithtown, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Heros 4 Heros Inc

    EIN 813535127 · Headquarters: SMITHTOWN, NY, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Hope for Cleo Inc

    EIN 881696932 · Headquarters: Smithtown, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Hope of Light Despite Darkness Inc

    EIN 854102965 · Headquarters: Smithtown, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Hotel Interactive Charities Inc

    EIN 274606109 · Headquarters: SMITHTOWN, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  71. Human Potential Foundation C/o Mary Gibbons James Gibbons

    EIN 112670749 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  72. International Association of Sheet Metal Air Rail & Transportation

    EIN 116000228 · Headquarters: smithtown, NY, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. IUV Phase 1A Housing Development Fund Corporation

    EIN 991640855 · Headquarters: Smithtown, NY, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. IUV Phase 1B Housing Development Fund Corporatiton

    EIN 994997998 · Headquarters: Smithtown, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. James Helping Hands Inc

    EIN 863750026 · Headquarters: SMITHTOWN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. John Daly Skeleton Foundation Inc

    EIN 462873390 · Headquarters: Smithtown, NY, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  77. Joseph P Mckenna March Forth Fnd

    EIN 871132808 · Headquarters: SMITHTOWN, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Joy and Peace Foundation

    EIN 472557405 · Headquarters: Smithtown, NY, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  79. Katies Way Inc

    EIN 473273194 · Headquarters: Smithtown, NY, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. Kidz Charity Productionz Inc

    EIN 831976967 · Headquarters: SMITHTOWN, NY, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Kimberly Coffey Foundation Inc

    EIN 472295495 · Headquarters: SMITHTOWN, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Kindsun LTD

    EIN 331490678 · Headquarters: Smithtown, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Lake Grove Chamber of Commerce Inc

    EIN 814822230 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. Lamaze International

    EIN 113083159 · Headquarters: Smithtown, NY, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Long Island Blue Jays Jr Drum and Bugle Corps Inc

    EIN 112730039 · Headquarters: Smithtown, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Long Island Chapter Honorable Order of Kentucky Colonels Inc

    EIN 612176656 · Headquarters: Smithtown, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Long Island Chapter of the World Presidents Organization Inc

    EIN 263780269 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  88. Long Island Emba Alumni Organization Edward Fred

    EIN 272204644 · Headquarters: SMITHTOWN, NY, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  89. Long Island Recovery Mission Inc

    EIN 821113554 · Headquarters: Smithtown, NY, US · Mental Health & Crisis Intervention · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Long Island Reef Association - Lira Inc

    EIN 562419049 · Headquarters: Smithtown, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Long Island Senior Games Inc

    EIN 113414960 · Headquarters: Smithtown, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Long Island September 11Th Memorial Inc

    EIN 450532076 · Headquarters: SMITHTOWN, NY, USA · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  93. Lucania Family Foundation

    EIN 272677395 · Headquarters: SMITHTOWN, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  94. Madison National Foundation

    EIN 020789057 · Headquarters: SMITHTOWN, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF

  95. Maltese Family Fund Inc

    EIN 061818973 · Headquarters: Smithtown, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Manhattan Youth Baseball League

    EIN 133752806 · Headquarters: SMITHTOWN, NY, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. March of the Blanketeers

    EIN 611696385 · Headquarters: Smithtown, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Marilyn Colletta Aml Foundation

    EIN 205229905 · Headquarters: Smithtown, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  99. Michael Mcdermott Memorial Foundation Inc

    EIN 851290157 · Headquarters: SMITHTOWN, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Midtown Networking Group Inc

    EIN 205849120 · Headquarters: Smithtown, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

All pages