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. National Maritime Association Inc

    EIN 131951185 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. National Maritime Historical Society

    EIN 526054478 · Headquarters: PEEKSKILL, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. National Minority Business Council Inc

    EIN 237417672 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Minority Supplier Development Council Business Consortium Fund Inc

    EIN 133407599 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. National Nutrition Standard

    EIN 510191495 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. National Order of Trench Rats Watertowm and Fulton Dugout 473

    EIN 800657378 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  7. National Org of Black Law Enforcement Exec Ny Chapter

    EIN 521497475 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. National Organization for Women Inc

    EIN 132914323 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Organization for Women Inc

    EIN 161482298 · Headquarters: GROTON, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  10. National Organization for Women Inc

    EIN 521309330 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Organization for Women Inc

    EIN 521309333 · Headquarters: Stony Brook, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Organization for Women-New York State Inc

    EIN 161521621 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Organization of Animal Handlers Inc

    EIN 460710583 · Headquarters: Jamaica, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. National Organization of Industrial Trade Unions

    EIN 111896570 · Headquarters: JAMAICA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. National Organization of Mothers of Twins Club

    EIN 237428957 · Headquarters: ISLIP, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Organization of Mothers of Twins Clubs Inc

    EIN 112817969 · Headquarters: HICKSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. National Organization of Mothers of Twins Clubs Inc

    EIN 141734753 · Headquarters: CLIFTON PARK, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. National Organization of Mothers of Twins Clubs Inc

    EIN 161350541 · Headquarters: BALDWINSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Organization of Mothers of Twins Clubs Inc

    EIN 161552278 · Headquarters: HILTON, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. National Pan-hellenic Council of Nassau and Suffolk Counties

    EIN 922396012 · Headquarters: BALDWIN, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. National Pawnbrokers Association

    EIN 650002221 · Headquarters: VICTOR, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. National Postal Mail Handlers Union Div of Liuna Afl-cio Local 300

    EIN 132761192 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. National Psychological Assn for Psychoanalysis Inc

    EIN 135656340 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. National Publishers Representatives Association

    EIN 133569791 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. National Racquetball Association of the Deaf

    EIN 043175229 · Headquarters: Nanuet, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. National Ramah Commission Inc

    EIN 136161110 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. National Real Estate Tenants Association Inc

    EIN 223517500 · Headquarters: CARMEL, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. National Realty Club Inc

    EIN 132965880 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  29. National Review Institute

    EIN 133649537 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. National Road Safety Foundation Inc

    EIN 136128274 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. National Rural Letter Carriers Association

    EIN 141830797 · Headquarters: GERMANTOWN, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. National Rural Letter Carriers Association

    EIN 146089989 · Headquarters: TUXEDO PARK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Rural Letter Carriers Association

    EIN 237234739 · Headquarters: Homer, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. National Rural Letter Carriers Association

    EIN 237234742 · Headquarters: GREAT VALLEY, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. National Rural Letter Carriers Association

    EIN 237234743 · Headquarters: SAVANNAH, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. National Rural Letter Carriers Association

    EIN 237234744 · Headquarters: BROCTON, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. National Rural Letter Carriers Association

    EIN 237234746 · Headquarters: KEESEVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. National Rural Letter Carriers Association

    EIN 237234748 · Headquarters: WALTON, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. National Rural Letter Carriers Association

    EIN 237234749 · Headquarters: HYDE PARK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Rural Letter Carriers Association

    EIN 237234750 · Headquarters: ARCADE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Rural Letter Carriers Association

    EIN 237234752 · Headquarters: AMSTERDAM, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. National Rural Letter Carriers Association

    EIN 237234754 · Headquarters: PRATTSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Rural Letter Carriers Association

    EIN 237234755 · Headquarters: THERESA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. National Rural Letter Carriers Association

    EIN 237234757 · Headquarters: DANSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. National Rural Letter Carriers Association

    EIN 237234759 · Headquarters: WEST HENRIETTA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. National Rural Letter Carriers Association

    EIN 237234760 · Headquarters: MIDDLE ISLAND, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. National Rural Letter Carriers Association

    EIN 237234761 · Headquarters: MIDDLEPORT, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. National Rural Letter Carriers Association

    EIN 237234762 · Headquarters: MANNSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. National Rural Letter Carriers Association

    EIN 237234763 · Headquarters: BLOSSVALE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. National Rural Letter Carriers Association

    EIN 237234764 · Headquarters: LIVONIA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Rural Letter Carriers Association

    EIN 237234767 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Rural Letter Carriers Association

    EIN 237234768 · Headquarters: PARISH, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. National Rural Letter Carriers Association

    EIN 237234769 · Headquarters: ONEONTA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. National Rural Letter Carriers Association

    EIN 237234770 · Headquarters: Verplanck, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. National Rural Letter Carriers Association

    EIN 237234771 · Headquarters: AVERILL PARK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. National Rural Letter Carriers Association

    EIN 237234775 · Headquarters: PRATTSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. National Rural Letter Carriers Association

    EIN 237234779 · Headquarters: Woodhull, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. National Rural Letter Carriers Association

    EIN 237234780 · Headquarters: CALLICOON, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. National Rural Letter Carriers Association

    EIN 237234783 · Headquarters: PORT EWEN, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. National Rural Letter Carriers Association

    EIN 237234785 · Headquarters: Newark, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. National Rural Letter Carriers Association

    EIN 237234786 · Headquarters: VARYSBURG, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. National Rural Letter Carriers Association

    EIN 237343145 · Headquarters: GREENE, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. National Rural Letter Carriers Association

    EIN 581807681 · Headquarters: PRATTSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. National Rural Letter Carriers Association

    EIN 581807684 · Headquarters: Endicott, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Rural Letter Carriers Association

    EIN 611636397 · Headquarters: North Bangor, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Safe Rides

    EIN 263709695 · Headquarters: Bay Shore, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  67. National Security Lawyers Association Inc

    EIN 873499961 · Headquarters: Albany, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Silver Rabbit Club

    EIN 874486823 · Headquarters: port jervis, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  69. National Slovak Society of the USA

    EIN 237501109 · Headquarters: Tarrytown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. National Slovak Society of the USA

    EIN 237616197 · Headquarters: Lake View, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Society Colonial Dames Xvii Century

    EIN 061524694 · Headquarters: Sinclairville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Society Colonial Dames Xvii Century

    EIN 161265559 · Headquarters: Sinclairville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Society Colonial Dames Xvii Century

    EIN 237055424 · Headquarters: Watertown, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. National Society Colonial Dames Xvii Century

    EIN 237108689 · Headquarters: SINCLAIRVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Society Colonial Dames Xvii Century

    EIN 237124590 · Headquarters: Sinclairville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. National Society Dames of the Court of Honor

    EIN 237144575 · Headquarters: New Windsor, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. National Society Daughters Amer Rev Prescott

    EIN 912069838 · Headquarters: CLYDE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. National Society Daughters of Founders and Patriots of America

    EIN 161108878 · Headquarters: Schenevus, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Society New England Women

    EIN 475531536 · Headquarters: Guilderland, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Society of Pia Executives

    EIN 271373126 · Headquarters: Glenmont, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Society of Southern Dames of America Inc

    EIN 473606984 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. National Society of the Children of the American Revolution

    EIN 010792620 · Headquarters: SARATOGA SPGS, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  83. National Society of the Children of the American Revolution

    EIN 061834850 · Headquarters: CLINTON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. National Society of the Children of the American Revolution

    EIN 141806853 · Headquarters: Fishkill, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. National Society of the Children of the American Revolution

    EIN 237248865 · Headquarters: SYRACUSE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Society of the Children of the American Revolution

    EIN 262199747 · Headquarters: Waterown, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. National Society of the Children of the American Revolution

    EIN 412057656 · Headquarters: Avon, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Society of the Children of the American Revolution

    EIN 412276355 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. National Society of the Children of the American Revolution

    EIN 711048563 · Headquarters: Cobleskill, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. National Society of the Children of the American Revolution

    EIN 770717238 · Headquarters: Brewster, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Society of the Children of the American Revolution

    EIN 800180452 · Headquarters: Wading River, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. National Society of the Children of the American Revolution

    EIN 822561680 · Headquarters: Brewster, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. National Society of the Children of the American Revolution

    EIN 832703027 · Headquarters: Addison, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. National Society of the Children of the American Revolution

    EIN 912191957 · Headquarters: Cohoes, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. National Society of the Dar Chancellor Livingston Chapter

    EIN 146029992 · Headquarters: RHINEBECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. National Society of the Daught

    EIN 146020390 · Headquarters: KINGSTON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. National Society of the Daughters Katharine Pratt Horton Buffalo Dar

    EIN 166051404 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. National Society of the Daughters of the American Revolution

    EIN 116014206 · Headquarters: Riverhead, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. National Society of the Daughters of the American Revolution

    EIN 116024076 · Headquarters: LAKE GROVE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. National Society of the Daughters of the American Revolution

    EIN 116031958 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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