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. Sigma Delta Tau Society Alpha Chapter

    EIN 150537027 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Sigma Delta Tau Society Alpha House Corp

    EIN 841717089 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Sigma Delta Tau Sorority Beta Xi Chapter

    EIN 921360169 · Headquarters: Schenectady, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Sigma Gamma Epsilon Zeta Rho Chp

    EIN 223293353 · Headquarters: Oneonta, NY, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  5. Sigma Gamma Rho Soroity

    EIN 842328420 · Headquarters: BROOKLYN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Sigma Gamma Rho Sorority

    EIN 320698953 · Headquarters: MONROE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sigma Gamma Rho Sorority

    EIN 392509738 · Headquarters: OSSINING, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sigma Gamma Rho Sorority Inc

    EIN 113082295 · Headquarters: BROOKLYN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Sigma Gamma Rho Sorority Inc

    EIN 133617856 · Headquarters: BROOKLYN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Sigma Gamma Rho Sorority Inc

    EIN 141788523 · Headquarters: ALBANY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Sigma Gamma Rho Sorority Inc

    EIN 161353643 · Headquarters: SYRACUSE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Sigma Gamma Rho Sorority Inc

    EIN 203607376 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Sigma Gamma Rho Sorority Inc

    EIN 208822032 · Headquarters: VALLEY STREAM, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Sigma Gamma Rho Sorority Inc

    EIN 270327631 · Headquarters: HEMPSTEAD, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Sigma Gamma Rho Sorority Inc

    EIN 300585258 · Headquarters: TONAWANDA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Sigma Gamma Rho Sorority Inc

    EIN 311015760 · Headquarters: MOUNT VERNON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Sigma Gamma Rho Sorority Inc

    EIN 320038177 · Headquarters: WAPPINGERS FL, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Sigma Gamma Rho Sorority Inc

    EIN 372002267 · Headquarters: Cortland, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Sigma Gamma Rho Sorority Inc

    EIN 474139857 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Sigma Gamma Rho Sorority Inc

    EIN 542075191 · Headquarters: BROOKLYN, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Sigma Gamma Rho Sorority Inc

    EIN 611575123 · Headquarters: Staten Island, NY, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  22. Sigma Gamma Rho Sorority Inc

    EIN 800636183 · Headquarters: NEW ROCHELLE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Sigma Gamma Rho Sorority Inc

    EIN 861643671 · Headquarters: QUEENS VLG, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Sigma Gamma Rho Sorority Inc

    EIN 911940160 · Headquarters: BRONX, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Sigma Gamma Rho Sorority Inc

    EIN 912036546 · Headquarters: SYRACUSE, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Sigma Gamma Rho Sorority Inc

    EIN 912114790 · Headquarters: ALBANY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Sigma Gamma Rho Sorority Inc

    EIN 920871994 · Headquarters: UTICA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Sigma Gamma Rho Sorority Inc

    EIN 934815990 · Headquarters: BINGHAMTON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Sigma Gamma Rho Sorority Inc - Kappa Omicron

    EIN 473912338 · Headquarters: New Paltz, NY, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  30. Sigma Gamma Rho Sorority Inc Dba Kappa Xi

    EIN 311321568 · Headquarters: Port Jefferson, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Sigma Gamma Tau - Rensselaer Alpha

    EIN 454826583 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. Sigma Gamma Tau National Honor Society in Aerospace Engineering

    EIN 911789033 · Headquarters: Syracuse, NY, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  33. Sigma Kappa Sorority

    EIN 351878443 · Headquarters: Elmont, NY, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  34. Sigma Lambda Psi Sorority Inc

    EIN 421764716 · Headquarters: Buffalo, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Sigma Lambda Sigma Alumni Association Inc

    EIN 364642036 · Headquarters: Oceanside, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sigma Lambda Upsilonsenoritas Latinas Unidas Sorority Inc

    EIN 133813250 · Headquarters: NEW YORK, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Sigma Nu Fraternity

    EIN 043632539 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Sigma Nu Fraternity

    EIN 136175695 · Headquarters: NewYork, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Sigma Nu Fraternity

    EIN 150537031 · Headquarters: Ithaca, NY, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  40. Sigma Nu Fraternity

    EIN 274155737 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. Sigma Nu Tau Entrepreneurship Honor Society Inc

    EIN 273319626 · Headquarters: Plattsburgh, NY, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Sigma Nu Zeta Rho Alumni Association

    EIN 274640002 · Headquarters: Massapequa, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 161103957 · Headquarters: williamsville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 166073770 · Headquarters: Binghamton, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 226091067 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 363790280 · Headquarters: Brooklyn, NY, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  47. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 363953294 · Headquarters: Bronx, NY, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  48. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 462183534 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 800473576 · Headquarters: Rome, NY, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  50. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911895153 · Headquarters: Farmingdale, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Sigma Phi Epsilon

    EIN 150537029 · Headquarters: ITHACA, NY, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  52. Sigma Phi Epsilon Fraternity Inc

    EIN 161188964 · Headquarters: East Atlantic Beach, NY, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. Sigma Phi Epsilon Fraternity Inc

    EIN 161592262 · Headquarters: Potsdam, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  54. Sigma Phi Epsilon Fraternity Inc

    EIN 222405386 · Headquarters: Buffalo, NY, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  55. Sigma Phi Epsilon Fraternity Inc

    EIN 222413247 · Headquarters: Buffalo, NY, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  56. Sigma Phi Epsilon Fraternity Inc

    EIN 943178349 · Headquarters: Melville, NY, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. Sigma Phi Epsilon Fraternity Inc

    EIN 943178351 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Sigma Phi Epsilon Nh Alpha Alumni & Volunteer Corporation

    EIN 046128132 · Headquarters: NEW YORK, NY, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  59. Sigma Phi Epsilon NY Delta Chapter

    EIN 141339250 · Headquarters: Troy, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Sigma Phi Gamma International Sorority Inc

    EIN 166051909 · Headquarters: Tonawanda, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  61. Sigma Phi Gamma International Sorority Inc

    EIN 166052234 · Headquarters: Grand Island, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. Sigma Phi Gamma International Sorority Inc

    EIN 166063856 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Sigma Phi Gamma International Sorority Inc

    EIN 204950797 · Headquarters: Kenmore, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Sigma Phi Omega National Honor Society

    EIN 431577308 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sigma Phi Rho Fraternity Inc

    EIN 710901399 · Headquarters: New York, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Sigma Pi - Mu Chapter

    EIN 150448140 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Sigma Pi Fraternity International Inc

    EIN 223112150 · Headquarters: Hempstead, NY, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  68. Sigma Pi Fraternity International Inc

    EIN 311207359 · Headquarters: Buffalo, NY, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. Sigma Pi Fraternity International Inc

    EIN 311207367 · Headquarters: Ballston Lake, NY, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Sigma Pi Fraternity International Inc

    EIN 465303141 · Headquarters: Queens, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Sigma Pi Fraternity Intl Mu Chapter Cornell Alumni Association Inc

    EIN 334194603 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sigma Psi Zeta Sorority Inc

    EIN 223665378 · Headquarters: ALBANY, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Sigma Psi Zeta Sorority Incorporated

    EIN 464452521 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  74. Sigma Sigma Phi

    EIN 800482048 · Headquarters: New York, NY, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  75. Sigma Sigma Sigma

    EIN 465047025 · Headquarters: Huntington Station, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Sigma Tau Chi Alumni Association

    EIN 113495062 · Headquarters: Oswego, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. SIGMA TAU GAMMA FRATERNITY Epsilon Pi Chapter

    EIN 205844537 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  78. Sigma Tau Teke

    EIN 203190902 · Headquarters: lima, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  79. Sigma Thela Tau International

    EIN 301207133 · Headquarters: Brooklyn, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Sigma Thela Tau International

    EIN 384086767 · Headquarters: Pleasantville, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sigma Theta International Kappa Gamma Chapter

    EIN 311246728 · Headquarters: Stony Brook, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Sigma Theta Tau Inc

    EIN 112552044 · Headquarters: Rockville Centre, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Sigma Theta Tau Inc

    EIN 136185752 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Sigma Theta Tau Inc

    EIN 136185767 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. Sigma Theta Tau Inc

    EIN 141588907 · Headquarters: Plattsburgh, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Sigma Theta Tau Inc

    EIN 166071495 · Headquarters: Dewitt, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Sigma Theta Tau Inc

    EIN 311030877 · Headquarters: STATEN ISLAND, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Sigma Theta Tau Inc

    EIN 311042667 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Sigma Theta Tau Inc

    EIN 311042696 · Headquarters: Binghamton, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Sigma Theta Tau Inc

    EIN 311042709 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sigma Theta Tau Inc

    EIN 311309953 · Headquarters: Newburgh, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Sigma Theta Tau Inc

    EIN 363314870 · Headquarters: Bronx, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Sigma Theta Tau Inc

    EIN 363478865 · Headquarters: Utica, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Sigma Theta Tau Inc

    EIN 510232359 · Headquarters: Niagara University, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Sigma Theta Tau Inc

    EIN 621092035 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Sigma Theta Tau Inc

    EIN 621092037 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Sigma Theta Tau International

    EIN 821603322 · Headquarters: BROOKLYN, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Sigma Theta Tau International

    EIN 901112546 · Headquarters: Delhi, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Sigma Theta Tau International Alpha Omega Chapter

    EIN 237111293 · Headquarters: Williston Park, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Sigma Theta Tau International Inc

    EIN 237111292 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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