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. American Legion Post No 924 Inc

    EIN 111793413 · Headquarters: HAMPTON BAYS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. American Legion Putnam County

    EIN 272807624 · Headquarters: BREWSTER, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  3. American Legion Richard E Bentley Post No 442

    EIN 160720963 · Headquarters: HORSEHEADS, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. American Legion Robert H Spittel Post 1285

    EIN 116105017 · Headquarters: BAYVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Legion Robert Markwick Post #798

    EIN 150616048 · Headquarters: PHILADELPHIA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. American Legion Sacandaga Post 1076 Inc

    EIN 311620412 · Headquarters: Northville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Legion Selden Post 1633

    EIN 423059158 · Headquarters: Selden, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. AMERICAN LEGION Sgt Walter A Adams Post 1021

    EIN 146046442 · Headquarters: Averill Park, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. American Legion Skinner-ernest Post 1612

    EIN 166093987 · Headquarters: BIG FLATS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Legion Swietoniowski-kopec

    EIN 160972613 · Headquarters: AUBURN, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  11. American Legion Vernice Suttle Post 113

    EIN 166093792 · Headquarters: BALDWINSVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. American Legion Warner-Van Riper Post 435

    EIN 150509709 · Headquarters: Waterloo, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. AMERICAN LEGION Warren County

    EIN 010876529 · Headquarters: Queensbury, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. American Legion West Islip Post 1738

    EIN 116105102 · Headquarters: WEST ISLIP, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. American Legion Wheatfield Post #1451

    EIN 166042178 · Headquarters: SANBORN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Legion Woodhaven Post 118

    EIN 110194070 · Headquarters: WOODHAVEN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. American Legion Wright-Edsall Post 1624

    EIN 166094258 · Headquarters: Nichols, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. American Legion Yorktown Post 1009

    EIN 136124984 · Headquarters: Yorktown Heights, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. American Legion-429 Montgomery Post

    EIN 146046350 · Headquarters: RHINEBECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Legion-McFadden Bros Post No 1380

    EIN 111739881 · Headquarters: Brooklyn, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. American Lodge of Research

    EIN 113089091 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Lyric Theater Center Inc

    EIN 202990023 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Malayli Heritage Foundatio

    EIN 993966159 · Headquarters: East Meadow, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. American Maritime Safety Inc

    EIN 133522279 · Headquarters: White Plains, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Marketing Association Inc

    EIN 141767866 · Headquarters: Albany, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. American Marketing Association New York Chapter Inc

    EIN 237335595 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. American Medical Writers Assoc Metropoltian New York Chapter

    EIN 222547264 · Headquarters: Pelham, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  28. American Mental Health Foundation

    EIN 136161164 · Headquarters: RIVERDALE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. American Meteor Society Ltd

    EIN 161437389 · Headquarters: Geneseo, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. American Military Retirees Association Inc

    EIN 611805618 · Headquarters: Plattsburgh, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  31. American Military Retirees Association Inc

    EIN 812478405 · Headquarters: Plattsburgh, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  32. American Mime Theatre Inc

    EIN 237126812 · Headquarters: SYOSSET, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. American Miniature Schnauzer Club Inc

    EIN 237266399 · Headquarters: Endicott, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. American Nephrology Nurses Association

    EIN 300635201 · Headquarters: Troy, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Nephrology Nurses Association

    EIN 300635213 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  36. American Nephrology Nurses Association

    EIN 352385936 · Headquarters: Mount Vernon, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Nephrology Nurses Association

    EIN 352392634 · Headquarters: Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Nephrology Nurses Association

    EIN 611617739 · Headquarters: Commack, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Orff-schulwerk Association

    EIN 133325472 · Headquarters: Jackson Heights, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Orff-schulwerk Association

    EIN 161492748 · Headquarters: Corning, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Orff-schulwerk Association

    EIN 222570344 · Headquarters: Little Valley, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. American Orff-schulwerk Association

    EIN 311348647 · Headquarters: Avon, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Outlaws New York City Inc

    EIN 814657650 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. American Outlaws Queens Chapter Inc

    EIN 933830297 · Headquarters: Merrick, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Pakistani Community in New York Inc

    EIN 455251679 · Headquarters: MUTTONTOWN, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  46. American Path Foundation Inc

    EIN 463024545 · Headquarters: Roosevelt Island, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  47. American Pharmacists Association

    EIN 146017029 · Headquarters: Albany, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Pharmacists Association

    EIN 825244226 · Headquarters: Johnson City, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. American Planning Association New York - Upstate New York Chapter

    EIN 510150314 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. American Podiatric Medical Writers Association

    EIN 222608583 · Headquarters: Forest Hills, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. American Postal Workers Afl-cio Local Union 1022

    EIN 112273677 · Headquarters: OZONE PARK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. American Postal Workers Local 215

    EIN 237387775 · Headquarters: HENRIETTA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. American Postal Workers Union

    EIN 112298163 · Headquarters: FARMINGDALE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. American Postal Workers Union

    EIN 133561195 · Headquarters: Pearl River, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Postal Workers Union

    EIN 146024594 · Headquarters: Kingston, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. American Postal Workers Union

    EIN 146033241 · Headquarters: Albany, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. American Postal Workers Union

    EIN 161008248 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. American Postal Workers Union

    EIN 237021697 · Headquarters: LONG ISLAND CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. American Postal Workers Union

    EIN 237112127 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. American Postal Workers Union

    EIN 237272591 · Headquarters: Fresh Meadows, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. American Postal Workers Union

    EIN 237340136 · Headquarters: GENEVA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Postal Workers Union

    EIN 237341563 · Headquarters: Syracuse, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. American Postal Workers Union

    EIN 452001368 · Headquarters: Farmingdale, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  64. American Postal Workers Union 212

    EIN 237340109 · Headquarters: GLENS FALLS, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  65. American Postal Workers Union 51

    EIN 132838374 · Headquarters: WHITE PLAINS, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. AMERICAN POSTAL WORKERS UNION Aka APWU Staten Island Area Local 231

    EIN 136213569 · Headquarters: Staten Island, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. American Postal Workers Union Auxiliary

    EIN 166200823 · Headquarters: FARMINGDALE, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. American Postal Workers Union Brooklyn Local 251

    EIN 112251124 · Headquarters: BROOKLYN, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. American Postal Workers Union Local 522

    EIN 132768098 · Headquarters: OSSINING, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  70. American Postal Workers Union Mid Hudson Area Local 3722

    EIN 237338901 · Headquarters: NEWBURGH, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  71. American Postal Workers Union Utica Area Utica Area Local

    EIN 237341575 · Headquarters: Utica, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. American Postal Workers Union Western New York Area Local #813

    EIN 161031806 · Headquarters: ORCHARD PARK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. American Precision Optics Manufacturers Association

    EIN 521582167 · Headquarters: ROCHESTER, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. American Printing History Association Inc

    EIN 237441237 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. American Public Servants Charitable Foundation

    EIN 851056274 · Headquarters: ALBANY, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  76. American Regions Math League

    EIN 133511640 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  77. American Renaissance Theater Corporation

    EIN 510192412 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Rental Association

    EIN 112717083 · Headquarters: Ontario, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. American Rhododendron Society

    EIN 237412286 · Headquarters: Lake Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Rose Society

    EIN 166045899 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Rose Society

    EIN 384194023 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. American Rose Society

    EIN 581783079 · Headquarters: Penfield, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. American Rose Society

    EIN 581783173 · Headquarters: Massapequa, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Rose Society

    EIN 581832701 · Headquarters: South Wales, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Rose Society

    EIN 581926120 · Headquarters: Manlius, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. American Saddlebred Assoc of Ny

    EIN 161397288 · Headquarters: Whitesboro, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. American Sauna Society Inc

    EIN 205428975 · Headquarters: Fishkill, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Scandinavian Heritage Foundation Inc

    EIN 222514273 · Headquarters: JAMESTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. American Section of the Societe De Chimie Industrielle Inc

    EIN 136161994 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. American Shelter Inc

    EIN 223177650 · Headquarters: BUFFALO, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Skin Association Inc

    EIN 133401320 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. American Small Craft Association Inc

    EIN 237396609 · Headquarters: Oakland Garden, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Social History Productions Incorporated

    EIN 133261663 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. American Society for Pain Management Nursing-New York City Chapter

    EIN 134036450 · Headquarters: Little Neck, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  95. American Society for Pharmacy Law Inc

    EIN 521250852 · Headquarters: Albany, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. American Society for Psychical Research Inc

    EIN 131655205 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  97. American Society for Training and Development

    EIN 237456865 · Headquarters: Niskayuna, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. American Society for Training and Development

    EIN 510222829 · Headquarters: Fayetteville, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Society for Training and Development

    EIN 510222861 · Headquarters: Hamburg, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. American Society for Training and Development

    EIN 510222988 · Headquarters: ROCHESTER, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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