Nonprofits in New York

Nonprofits in New York. Browse 132,727 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. Sidney Police K-9 Association

    EIN 991638797 · Headquarters: SIDNEY, NY, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Sidney Veterans Memorial Park Assosciation

    EIN 992584529 · Headquarters: Sidney, NY, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Sidney Youth Football Association

    EIN 814331143 · Headquarters: Sidney, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Sidney Youth Outdoorsmen Club

    EIN 994800450 · Headquarters: Unadilla, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Sidr Inc

    EIN 814760261 · Headquarters: Smithtown, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sids Dock Foundation

    EIN 824615627 · Headquarters: NEW YORK, NY, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sieb Denim & Diamonds Foundation

    EIN 301212729 · Headquarters: Syosset, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Siebeneck Family Foundation Inc

    EIN 832719648 · Headquarters: SARATOGA SPRINGS, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Siebert Williams Shank Foundation

    EIN 852585793 · Headquarters: NEW YORK, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Siegel Family Endowment

    EIN 451742989 · Headquarters: New York, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Sieger Bibliotheque Inc The

    EIN 475007248 · Headquarters: BRONX, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Siegmund and Irma Rosenthal Foundation Inc

    EIN 133764063 · Headquarters: SPRING VALLEY, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  13. Siembra Today

    EIN 933223540 · Headquarters: ASTORIA, NY, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Siempre Contigo

    EIN 822886400 · Headquarters: West Harrison, NY, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Siena College Alumni Association Inc

    EIN 141576847 · Headquarters: Round Lake, NY, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  16. Siena College Alumni Scholarship Trust

    EIN 222262947 · Headquarters: Loundonville, NY, USA · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  17. Siena College Football Booster Club Inc

    EIN 550891421 · Headquarters: Rye, NY, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  18. Siena House Inc

    EIN 133637473 · Headquarters: Bronx, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Siena Mens Lacrosse Parent Organization Inc

    EIN 993269958 · Headquarters: SETAUKET, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Siena Rugby Alumni Organization Inc

    EIN 932849948 · Headquarters: Troy, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Siena Spirituality Center Inc

    EIN 113540166 · Headquarters: AMITYVILLE, NY, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  22. Siena University

    EIN 141338498 · Headquarters: LOUDONVILLE, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Siena Village

    EIN 061569129 · Headquarters: SMITHTOWN, NY, USA · Housing & Shelter · Latest available filing year: 2016 · Primary form: IRS Form 990

  24. Sienna & Schuyler Foundation

    EIN 464205491 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Siennas Sunshine Inc

    EIN 993212735 · Headquarters: Seaford, NY, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Sierra Leone Amuloma Development Foundation Inc

    EIN 264765353 · Headquarters: Brooklyn, NY, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  27. Sierra Leone Cultural Alliance of Western New York Incorporated

    EIN 452730986 · Headquarters: Buffalo, NY, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Sierra Leone Educational Enrichment Project

    EIN 261550269 · Headquarters: Bronx, NY, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  29. Sierra Leone Nurses Association Inc

    EIN 800423087 · Headquarters: Bronx, NY, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Sierra Network Charity Foundation Corporation

    EIN 850767129 · Headquarters: NEW WINDSOR, NY, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Sierra Vista Association C/o Pmi Properties

    EIN 237260940 · Headquarters: NEW CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Siervas De Cristo Resucitado

    EIN 460739682 · Headquarters: Bronx, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Sieverner-plattdeutscher Club

    EIN 116039901 · Headquarters: Franklin Square, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Sifma Foundation for Investor Education (Fie) Inc

    EIN 521087193 · Headquarters: NEW YORK, NY, USA · Social Science · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Sifrei Dovid - Haverstraws Jewish Book Club Inc

    EIN 862724136 · Headquarters: Thiells, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sifsei Torah Inc

    EIN 472399517 · Headquarters: Brooklyn, NY, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Sig Flag Football Inc

    EIN 843734326 · Headquarters: Staten Island, NY, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Sight Keepers International Inc

    EIN 274880781 · Headquarters: AMITYVILLE, NY, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Sight Society of Neny Inc

    EIN 141422262 · Headquarters: ALBANY, NY, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Sightline Arts

    EIN 464588451 · Headquarters: New York, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Sightlines Theater Company Inc

    EIN 113327226 · Headquarters: Brooklyn, NY, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  42. Sights on Health Inc

    EIN 462753000 · Headquarters: EAST SETAUKET, NY, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Sigma Alpha Epsilon Fraternity

    EIN 141343303 · Headquarters: Troy, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Sigma Alpha Epsilon Fraternity

    EIN 150543510 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Sigma Alpha Epsilon Fraternity

    EIN 161521643 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  46. Sigma Alpha Epsilon Fraternity

    EIN 300456380 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Sigma Alpha Epsilon Fraternity

    EIN 475644611 · Headquarters: Albany, NY, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  48. Sigma Alpha Epsilon Fraternity Ny Omega Chapter

    EIN 161319508 · Headquarters: Binghamton, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. Sigma Alpha Epsilon New York Delta

    EIN 150447980 · Headquarters: SYRACUSE, NY, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990

  50. Sigma Alpha Epsilon Pi

    EIN 814766553 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  51. Sigma Alpha Epsilon Pi-xi Chapter

    EIN 473875934 · Headquarters: Vestal, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Sigma Alpha Mu

    EIN 150571282 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Sigma Alpha Mu Foundation Inc

    EIN 136120929 · Headquarters: Cicero, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Sigma Alpha Mu Fraternity

    EIN 311235028 · Headquarters: uniondale, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  55. Sigma Alpha Mu Fraternity

    EIN 311288878 · Headquarters: Nesconset, NY, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  56. Sigma Alpha Mu Fraternity

    EIN 474970905 · Headquarters: Purchase, NY, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Sigma Alpha Mu Fraternity

    EIN 710906546 · Headquarters: Geneseo, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Sigma Alpha Mu Fraternity

    EIN 911752629 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sigma Alpha Mu Fraternity Inc

    EIN 150537373 · Headquarters: Cicero, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Sigma Alpha Mu Tri-State Alumni Club Inc

    EIN 825489140 · Headquarters: Levittown, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Sigma Alpha Omega Christian Sorority Inc

    EIN 464833001 · Headquarters: Albany, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  62. Sigma Alpha Sorority

    EIN 371578297 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. Sigma Beta Rho Fraternity Inc

    EIN 113514174 · Headquarters: NEW YORK, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Sigma Chapter of Theta Gamma Charitable Fund Inc

    EIN 474211701 · Headquarters: Victor, NY, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  65. Sigma Chi Alpha Phi Chapter Sciarabba Walker & Co Llp

    EIN 150537026 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Sigma Chi Fraternity

    EIN 141337712 · Headquarters: Schenectady, NY, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. Sigma Chi Fraternity

    EIN 141345339 · Headquarters: AVERILL PARK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Sigma Chi Fraternity

    EIN 161194211 · Headquarters: ROCHESTER, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Sigma Chi Fraternity

    EIN 161332807 · Headquarters: Potsdam, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Sigma Chi Fraternity

    EIN 271531929 · Headquarters: ROCHESTER, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sigma Chi Fraternity

    EIN 363385965 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. Sigma Chi Fraternity

    EIN 811900063 · Headquarters: Vestal, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Sigma Chi Fraternity

    EIN 812602633 · Headquarters: SCHENECTADY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sigma Chi Fraternity Psi Psi Chapter of the Sigma Chi Fratern

    EIN 208718395 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Sigma Chi Fraternity Tabard Corporation

    EIN 020190225 · Headquarters: Plainview, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  76. Sigma Chi Greystone Foundation Inc

    EIN 161529623 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Sigma Chi of Colgate Foundation Inc

    EIN 204185922 · Headquarters: HAMILTON, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Sigma Chi of Colgate Inc

    EIN 205792030 · Headquarters: HAMILTON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Sigma Chi of Cornell Alumni Association

    EIN 166070759 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 133060642 · Headquarters: New York, NY, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 166039055 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  82. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 240825560 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Sigma Delta Epsilon Graduate Womens Scientific Frat

    EIN 473339963 · Headquarters: New York, NY, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  84. Sigma Delta Foundation Inc

    EIN 134162695 · Headquarters: New York Mills, NY, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Sigma Delta Tau

    EIN 463779273 · Headquarters: Bronx, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  86. Sigma Delta Tau - Gamma Lambda Chapter

    EIN 592933238 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Sigma Delta Tau - Gamma Theta House Corp

    EIN 161343331 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  88. Sigma Delta Tau Gamma Alpha Chapter

    EIN 920777721 · Headquarters: Binghamton, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Sigma Delta Tau Gamma Tau Chapter

    EIN 061331618 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Sigma Delta Tau Society

    EIN 363385161 · Headquarters: Rochester, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  91. Sigma Delta Tau Society

    EIN 884022749 · Headquarters: Flushing, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Sigma Delta Tau Society

    EIN 884300860 · Headquarters: Plattsburgh, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Sigma Delta Tau Society

    EIN 911788340 · Headquarters: Staten Island, NY, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  94. Sigma Delta Tau Society

    EIN 920320220 · Headquarters: Bronx, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Sigma Delta Tau Society

    EIN 920337955 · Headquarters: New Paltz, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Sigma Delta Tau Society

    EIN 920494435 · Headquarters: New York, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Sigma Delta Tau Society

    EIN 923012612 · Headquarters: Buffalo, NY, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. Sigma Delta Tau Society

    EIN 923714428 · Headquarters: Medford, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Sigma Delta Tau Society

    EIN 931404549 · Headquarters: Oneonta, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Sigma Delta Tau Society

    EIN 931848489 · Headquarters: Bayville, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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