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. Long Island Chapter of Real Estate Staging Association - Resa

    EIN 465689039 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. Long Island Chapter of the American Rock Garden Society Inc

    EIN 112725075 · Headquarters: Williston Park, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Long Island Chapter of the World Presidents Organization Inc

    EIN 263780269 · Headquarters: SMITHTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  4. Long Island Chapter the Links Inc

    EIN 116083928 · Headquarters: MANHASSET, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Long Island Chess Nuts Association

    EIN 113344102 · Headquarters: MILLER PLACE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Long Island Choral Society Inc

    EIN 116083664 · Headquarters: GARDEN CITY, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Long Island Church of Christ

    EIN 112635664 · Headquarters: BAY SHORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990

  8. Long Island City Post No 2348 Veterans of Foreign Wars of the Us

    EIN 237173182 · Headquarters: Astoria, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Long Island Civic Alliance Inc

    EIN 301378043 · Headquarters: Farmingdale, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Long Island Coalition for Life Inc

    EIN 237252175 · Headquarters: Old Bethpage, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Long Island Coalition for the Homeless Inc

    EIN 112770718 · Headquarters: AMITYVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Long Island Community Chorus Inc

    EIN 112720242 · Headquarters: Lynbrook, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Long Island Composers Alliance Inc

    EIN 112398117 · Headquarters: New Suffolk, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Long Island Consultation Center Inc

    EIN 111792226 · Headquarters: Elmhurst, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Long Island Contractors Association Inc

    EIN 116011736 · Headquarters: MELVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Long Island Council for the Social Studies

    EIN 237417959 · Headquarters: Medford, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Long Island Council of Churches Inc

    EIN 111635087 · Headquarters: FREEPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Long Island Council on Alcoholism & Drug Dependence Inc

    EIN 111833092 · Headquarters: WESTBURY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Long Island Country Music Association Inc

    EIN 112736150 · Headquarters: Commack, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Long Island Cremation Co Inc

    EIN 112536847 · Headquarters: WEST BABYLON, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Long Island Dietetic Association

    EIN 273643868 · Headquarters: Bethpage, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  22. Long Island Divers Association Inc

    EIN 112718481 · Headquarters: Bayport, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Long Island Early Fliers Club

    EIN 116038965 · Headquarters: HOLBROOK, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Long Island Entrepreneurs Group CO Marshall & Moss LLP

    EIN 830356984 · Headquarters: Westbury, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Long Island Federation of Labor Afl-cio

    EIN 111945909 · Headquarters: HAUPPAUGE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Long Island Film & Tv Foundation In

    EIN 113172210 · Headquarters: BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Long Island Flower Growers Association Inc

    EIN 237381309 · Headquarters: Jamesport, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Long Island Flute Club Inc

    EIN 112688508 · Headquarters: Massapequa, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Long Island Focus

    EIN 813570955 · Headquarters: NORTHPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  30. Long Island Gay and Lesbian Youth Inc

    EIN 112707397 · Headquarters: Bay Shore, NY, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  31. Long Island Gay and Lesbian Youth Inc

    EIN 473630479 · Headquarters: Woodbury, NY, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  32. Long Island Gay and Lesbian Youth Inc

    EIN 814759947 · Headquarters: Woodbury, NY, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  33. Long Island Gay and Lesbian Youth Inc Group Return

    EIN 900779518 · Headquarters: HAUPPAUGE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Long Island Gay Lesbian Bisexual & Transgender Health&human S

    EIN 208512786 · Headquarters: Bay Shore, NY, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  35. Long Island Golf Course Superintendents

    EIN 237370431 · Headquarters: WADING RIVER, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Long Island Great Books Council Inc

    EIN 112563401 · Headquarters: Hauppauge, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Long Island Harley Owners Group Inc

    EIN 112920835 · Headquarters: Bayshore, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Long Island Head Start

    EIN 112771919 · Headquarters: Patchogue, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Long Island Horticultural Society Inc

    EIN 111011960 · Headquarters: baldwin, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Long Island Hospitality And Leisure Association Inc

    EIN 461665371 · Headquarters: Plainview, NY, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  41. Long Island Housing Services Inc

    EIN 112494324 · Headquarters: BOHEMIA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Long Island Import Export Assoc Inc

    EIN 112613534 · Headquarters: BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  43. Long Island Italian American Lions

    EIN 352857052 · Headquarters: West Babylon, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Long Island Lactation Consultant Association Inc

    EIN 812046981 · Headquarters: Amityville, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Long Island Latino Teachers Association Inc

    EIN 331149451 · Headquarters: CENTRAL ISLIP, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Long Island Library Resources Council Inc

    EIN 112157354 · Headquarters: BELLPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Long Island Lightning

    EIN 300544530 · Headquarters: centereach, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Long Island Live Steamers Inc

    EIN 112575889 · Headquarters: Brookhaven, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Long Island Metropolitan Lacrosse Foundation Inc (USA Chapter)

    EIN 113044206 · Headquarters: LEVITTOWN, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Long Island Mineral & Geology Society Inc

    EIN 112616686 · Headquarters: Mattituck, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Long Island Mobile Amateur Radio Club Inc

    EIN 112469363 · Headquarters: Stewart Manor, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Long Island Moose Legion No 20

    EIN 237519791 · Headquarters: LINDENHURST, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Long Island Motor Touring Club Inc

    EIN 711034659 · Headquarters: Farmingdale, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  54. Long Island Museum Association Inc

    EIN 112548752 · Headquarters: Huntington, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Long Island Muslim Alliance Inc

    EIN 841786376 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  56. Long Island Nursery & Landscape Association Inc

    EIN 116036838 · Headquarters: SAYVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Long Island Off Road Inc

    EIN 113412148 · Headquarters: Setauket, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Long Island Oil Heating and Cooling Professionals Association Inc

    EIN 112901093 · Headquarters: NORTH BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  59. Long Island Ophthalmological Society Inc

    EIN 113196561 · Headquarters: Albany, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Long Island Paddlers Inc

    EIN 455027767 · Headquarters: Malverne, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Long Island Panhellenic

    EIN 113347628 · Headquarters: Huntngton, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  62. Long Island Paranormal Investigators Inc

    EIN 800720434 · Headquarters: Lake Ronkonkoma, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Long Island Pharmacists Society Inc

    EIN 111949455 · Headquarters: MELVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Long Island Plumbing and Heating

    EIN 116042355 · Headquarters: SAYVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Long Island Poetry & Literature Repository Inc

    EIN 833580578 · Headquarters: Southampton, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Long Island Poetry Collective Inc

    EIN 112378182 · Headquarters: HUNTINGTON, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. Long Island Police Square Club Inc

    EIN 832169292 · Headquarters: Rockville Centre, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Long Island Pride Chorus Inc

    EIN 113210752 · Headquarters: Medford, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Long Island Pride Lions Club

    EIN 882970804 · Headquarters: Long Beach, NY, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Long Island Professional Horsemens Association Inc

    EIN 113039934 · Headquarters: SOUND BEACH, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Long Island Progressive Coalition Education Project Inc

    EIN 112725213 · Headquarters: Massapequa, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Long Island Progressive Coalition Inc

    EIN 112849848 · Headquarters: MASSAPEQUA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Long Island Pure Water Ltd

    EIN 822847849 · Headquarters: MELVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  74. Long Island Pythian Council

    EIN 237089116 · Headquarters: OCEANSIDE, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  75. Long Island Quilters Society Inc

    EIN 112814137 · Headquarters: Merrick, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Long Island Radiological Society

    EIN 112469427 · Headquarters: STONY BROOK, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Long Island Regional Advisory Council on Higher Education

    EIN 510243480 · Headquarters: BROOKVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Long Island Restaurant & Caterers Memorial Scholarship Foundation

    EIN 112873153 · Headquarters: FARMINGDALE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Long Island Restaurant and Caterers Association Incorporated

    EIN 132502080 · Headquarters: FARMINGDALE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Long Island Rifle Club Inc

    EIN 861357310 · Headquarters: Seneca Falls, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Long Island Romance Writers

    EIN 113341191 · Headquarters: SEA CLIFF, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Long Island Royals Jr Hockey Club Inc

    EIN 112934408 · Headquarters: KINGS PARK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Long Island Safety Ppe Fund Trust

    EIN 846958744 · Headquarters: HAUPPAUGE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Long Island School for the Gifted

    EIN 112532703 · Headquarters: Syosset, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Long Island Second to None

    EIN 811312208 · Headquarters: PECONIC, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  86. Long Island Senior Golf Association C/o Dsjcpa

    EIN 116036399 · Headquarters: WESTBURY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Long Island Shooters Club at Glen Cove

    EIN 263035434 · Headquarters: Glen Cove, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  88. Long Island Soccer Referees Association Inc

    EIN 112484408 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Long Island Software & Technology Network

    EIN 113394239 · Headquarters: PLAINVIEW, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Long Island Speech Assocation Inc

    EIN 112226910 · Headquarters: MASTIC BEACH, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Long Island State Park Policebenevolent Association Inc

    EIN 112538805 · Headquarters: FARMINGDALE, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Long Island Studies Council

    EIN 112533311 · Headquarters: Coram, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Long Island Sunrise Trail Chptr of Natl Railway Historicl Society Inc

    EIN 237108003 · Headquarters: BABYLON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Long Island Taxpayers Alliance Inc

    EIN 800738743 · Headquarters: Bellmore, NY, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  95. Long Island Teachers Benevolent Fund

    EIN 112572385 · Headquarters: SAYVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Long Island Thunder Baseball Inc

    EIN 824813165 · Headquarters: MASSAPEQUA, NY, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  97. Long Island Tigers Alumni Fund Inc

    EIN 453790038 · Headquarters: HICKSVILLE, NY, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  98. Long Island Track & Field Inc

    EIN 113481674 · Headquarters: BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Long Island Transportation Association Inc

    EIN 833534881 · Headquarters: WEST BABYLON, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. Long Island Tumor Registrars Association

    EIN 112721366 · Headquarters: Southold, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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