Unknown & Unclassified nonprofits in New York

Unknown & Unclassified nonprofits in New York. Browse 31,594 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. Psi Chi the International Honor Society in Psychology

    EIN 521538490 · Headquarters: Old Westbury, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Psi Chi the International Honor Society in Psychology

    EIN 521538491 · Headquarters: Niagara, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Psi Chi the International Honor Society in Psychology

    EIN 521538492 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Psi Chi the International Honor Society in Psychology

    EIN 562648699 · Headquarters: Purchase, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Psi Chi the International Honor Society in Psychology

    EIN 582040018 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Psi Chi the International Honor Society in Psychology

    EIN 820896208 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Psi Chi the International Honor Society in Psychology

    EIN 822244803 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Psi Chi the National Honor Society in Psychology

    EIN 061560790 · Headquarters: Amherst, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Psi Chi the National Honor Society in Psychology

    EIN 116036656 · Headquarters: Hempstead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Psi Chi the National Honor Society in Psychology

    EIN 136167175 · Headquarters: Bronx, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Psi Chi the National Honor Society in Psychology

    EIN 136167974 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Psi Chi the National Honor Society in Psychology

    EIN 136169164 · Headquarters: NEw York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Psi Chi the National Honor Society in Psychology

    EIN 136198879 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Psi Chi the National Honor Society in Psychology

    EIN 136213621 · Headquarters: Staten Island, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Psi Chi the National Honor Society in Psychology

    EIN 161528420 · Headquarters: Poughkeepsie, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Psi Chi the National Honor Society in Psychology

    EIN 161549702 · Headquarters: Sparkill, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Psi Chi the National Honor Society in Psychology

    EIN 223199631 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Psi Chi the National Honor Society in Psychology

    EIN 223688113 · Headquarters: Patchogue, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Psi Chi the National Honor Society in Psychology

    EIN 237031504 · Headquarters: New Rochelle, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Psi Chi the National Honor Society in Psychology

    EIN 237031510 · Headquarters: St Bonaventure, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Psi Chi the National Honor Society in Psychology

    EIN 237070285 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Psi Chi the National Honor Society in Psychology

    EIN 237071980 · Headquarters: Oneonta, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Psi Chi the National Honor Society in Psychology

    EIN 237174146 · Headquarters: Jamaica, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Psi Chi the National Honor Society in Psychology

    EIN 237212231 · Headquarters: Utica, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Psi Chi the National Honor Society in Psychology

    EIN 237212232 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Psi Chi the National Honor Society in Psychology

    EIN 237212233 · Headquarters: Elmira, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Psi Chi the National Honor Society in Psychology

    EIN 237429761 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Psi Chi the National Honor Society in Psychology

    EIN 237429765 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Psi Chi the National Honor Society in Psychology

    EIN 237454344 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Psi Chi the National Honor Society in Psychology

    EIN 331890933 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Psi Chi the National Honor Society in Psychology

    EIN 471985597 · Headquarters: Geneva, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Psi Chi the National Honor Society in Psychology

    EIN 472348706 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Psi Chi the National Honor Society in Psychology

    EIN 474570041 · Headquarters: Hamburg, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Psi Chi the National Honor Society in Psychology

    EIN 510218862 · Headquarters: Clinton, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Psi Chi the National Honor Society in Psychology

    EIN 510232838 · Headquarters: STATEN ISLAND, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Psi Chi the National Honor Society in Psychology

    EIN 510241419 · Headquarters: Poughkeepsie, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Psi Chi the National Honor Society in Psychology

    EIN 510241420 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Psi Chi the National Honor Society in Psychology

    EIN 510241423 · Headquarters: Dobbs Ferry, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Psi Chi the National Honor Society in Psychology

    EIN 510241449 · Headquarters: Loudonville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Psi Chi the National Honor Society in Psychology

    EIN 510254949 · Headquarters: FREDONIA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Psi Chi the National Honor Society in Psychology

    EIN 510254993 · Headquarters: RIVERDALE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Psi Chi the National Honor Society in Psychology

    EIN 510255032 · Headquarters: BROOKVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Psi Chi the National Honor Society in Psychology

    EIN 521236530 · Headquarters: Bronx, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Psi Chi the National Honor Society in Psychology

    EIN 521276078 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Psi Chi the National Honor Society in Psychology

    EIN 521276083 · Headquarters: Flushing, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Psi Chi the National Honor Society in Psychology

    EIN 521276084 · Headquarters: Jamaica, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Psi Chi the National Honor Society in Psychology

    EIN 521538488 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Psi Chi the National Honor Society in Psychology

    EIN 521538504 · Headquarters: Hamilton, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Psi Chi the National Honor Society in Psychology

    EIN 521538580 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Psi Chi the National Honor Society in Psychology

    EIN 521539721 · Headquarters: Brockport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Psi Chi the National Honor Society in Psychology

    EIN 542144956 · Headquarters: POTSDAM, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Psi Chi the National Honor Society in Psychology

    EIN 550852786 · Headquarters: Houghton, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Psi Chi the National Honor Society in Psychology

    EIN 582039989 · Headquarters: Stony Brook, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Psi Chi the National Honor Society in Psychology

    EIN 582040004 · Headquarters: Albany, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Psi Chi the National Honor Society in Psychology

    EIN 582040013 · Headquarters: Potsdam, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Psi Chi the National Honor Society in Psychology

    EIN 582040334 · Headquarters: Pleasantville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Psi Chi the National Honor Society in Psychology

    EIN 582040344 · Headquarters: Staten Island, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Psi Chi the National Honor Society in Psychology

    EIN 582128576 · Headquarters: Orangeburg, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Psi Chi the National Honor Society in Psychology

    EIN 582202135 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Psi Chi the National Honor Society in Psychology

    EIN 651303361 · Headquarters: Cazenovia, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Psi Delta Omega Housing Corporation

    EIN 460787493 · Headquarters: HOLLAND, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Psi Upsilon Fraternity

    EIN 136159640 · Headquarters: ISLIP, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Psi Upsilon Fraternity

    EIN 166100311 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Psi Upsilon Fraternity

    EIN 222593236 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Psi Upsilon Fraternity

    EIN 474950744 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Psi Upsilon Fraternity

    EIN 722473141 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Psi Upsilon Fraternity

    EIN 882437057 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Psi Upsilon Fraternity Chi Chapter

    EIN 150537022 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Psi Upsilon Trust Association

    EIN 150536145 · Headquarters: ITHACA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Psychedelic Athenaeum Inc

    EIN 993755298 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Psychiatric Society of Westchester County Inc

    EIN 132930560 · Headquarters: Garden City, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Psychoanalytic Society of the Postdoctoral Program Inc

    EIN 133190504 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Psychoanalytic Training Inst of the Contemporary Freudian Society Inc

    EIN 510234093 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Psychohistory Forum Inc

    EIN 334159681 · Headquarters: FRESH MEADOWS, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  75. Pta - Ny Congress Minnesauke Elementary Unit 05-471

    EIN 113169117 · Headquarters: SETAUKET, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Pta - Ny Congress Setauket Elementary Unit 05-475

    EIN 113112912 · Headquarters: SETAUKET, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. PTA Congress Abbey Lane Element

    EIN 237036225 · Headquarters: Levittown, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Pta East Quogue Community

    EIN 112931830 · Headquarters: EAST QUOGUE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Pta New York

    EIN 901675265 · Headquarters: Jamesville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Pta New York Congress

    EIN 010624401 · Headquarters: YONKERS, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Pta New York Congress

    EIN 010685082 · Headquarters: ROCHESTER, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Pta New York Congress

    EIN 030445344 · Headquarters: ROME, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Pta New York Congress

    EIN 050535503 · Headquarters: Westbury, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Pta New York Congress

    EIN 061224375 · Headquarters: MIDDLE ISLAND, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Pta New York Congress

    EIN 061244003 · Headquarters: HICKSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Pta New York Congress

    EIN 061245151 · Headquarters: BOHEMIA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Pta New York Congress

    EIN 061246019 · Headquarters: THIELLS, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Pta New York Congress

    EIN 061246881 · Headquarters: Dix Hills, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Pta New York Congress

    EIN 061266914 · Headquarters: GREENWOOD LK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Pta New York Congress

    EIN 061269678 · Headquarters: LINDENHURST, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Pta New York Congress

    EIN 061269983 · Headquarters: WEST NYACK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Pta New York Congress

    EIN 061276488 · Headquarters: SPRING VALLEY, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pta New York Congress

    EIN 061276784 · Headquarters: WEST ISLIP, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Pta New York Congress

    EIN 061277321 · Headquarters: CENTRAL VALLEY, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Pta New York Congress

    EIN 061277449 · Headquarters: HILLBURN, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Pta New York Congress

    EIN 061280271 · Headquarters: PEARL RIVER, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Pta New York Congress

    EIN 061280912 · Headquarters: WEST ISLIP, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Pta New York Congress

    EIN 061288814 · Headquarters: YONKERS, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Pta New York Congress

    EIN 061292830 · Headquarters: NEW CITY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Pta New York Congress

    EIN 061297348 · Headquarters: CENTRAL VLY, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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