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. Nassau County Feis Committe Corp

    EIN 272148229 · Headquarters: Huntington, NY, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Nassau County Firefighters Burn Center Foundation Inc

    EIN 113081830 · Headquarters: GARDEN CITY, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Nassau County Firefighters Museum and Education Center

    EIN 201933012 · Headquarters: GARDEN CITY, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Nassau County Firefighters Pipes and Drums

    EIN 562312736 · Headquarters: Levittown, NY, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Nassau County Fsgcs Youth Athletic League Inc

    EIN 113631106 · Headquarters: FRANKLIN SQUARE, NY, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  6. Nassau County Girls Soccer Officials

    EIN 471646472 · Headquarters: Carle Place, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Nassau County Girls Track and Field Officials Association Inc

    EIN 113134869 · Headquarters: Wyandanch, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Nassau County Harley Owners Group Inc

    EIN 202903857 · Headquarters: BELLMORE, NY, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  9. Nassau County Historical Society Inc

    EIN 116015918 · Headquarters: Garden CIty, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Nassau County Interscholastic Mathematics League

    EIN 461906423 · Headquarters: EAST SETAUKET, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Nassau County Investigators Police Benevolent Assn

    EIN 743097897 · Headquarters: MINEOLA, NY, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Nassau County Junior Firefighters Association

    EIN 260696293 · Headquarters: EAST NORWICH, NY, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Nassau County K of C Softball League

    EIN 900396495 · Headquarters: VALLEY STREAM, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Nassau County Lacrosse Coaches Association

    EIN 920608097 · Headquarters: HAUPPAUGE, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Nassau County Library Association Co Nassau Library System

    EIN 237042359 · Headquarters: UNIONDALE, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Nassau County Magistrates Associationinc

    EIN 260145971 · Headquarters: WILLISTON PARK, NY, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Nassau County Mathematics Teachers Association

    EIN 470917167 · Headquarters: East Meadow, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Nassau County Med Center Auxiliary Inc

    EIN 116047418 · Headquarters: East Meadow, NY, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Nassau County Medical Society

    EIN 111068640 · Headquarters: Garden City, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Nassau County Municipal Employees Csea Local #882

    EIN 113188211 · Headquarters: EAST NORTHPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Nassau County Municipal Police Chiefs Association

    EIN 113067160 · Headquarters: GARDEN CITY, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Nassau County Museum of Art

    EIN 112949583 · Headquarters: ROSLYN HARBOR, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  23. Nassau County Pba Foundation Inc

    EIN 474513733 · Headquarters: MINEOLA, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Nassau County Pba Pac Fund

    EIN 912079561 · Headquarters: MINEOLA, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Nassau County Poet Laureate Society Inc

    EIN 352404520 · Headquarters: Farmingdale, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Nassau County Police Activity League Inc

    EIN 116002869 · Headquarters: Hicksville, NY, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Nassau County Police Department Foundation Inc

    EIN 352351865 · Headquarters: Garden City, NY, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Nassau County Police Department Muslim Officers Society Inc

    EIN 992492139 · Headquarters: VALLEY STREAM, NY, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Nassau County Police Medic Association Inc

    EIN 465540599 · Headquarters: East Meadow, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Nassau County Police Reserve Association Scholarship Fund Inc

    EIN 112518765 · Headquarters: SYOSSET, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Nassau County Police Wives Inc

    EIN 237038077 · Headquarters: Wheatley Heights, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Nassau County Probation Officers Association Inc

    EIN 113005613 · Headquarters: Garden City, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Nassau County School Facilities Associat Ion Inc

    EIN 832261988 · Headquarters: BELLMORE, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Nassau County Schools Cooperative Workers Compensation Self-insured Trust

    EIN 112937849 · Headquarters: WANTAGH, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Nassau County Sheriff's Department Emerald Society Inc

    EIN 113615027 · Headquarters: East Meadow, NY, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  36. Nassau County Sheriffs Correction Officers Benevolent Association

    EIN 113230884 · Headquarters: EAST MEADOW, NY, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Nassau County Shomrim Society Foundation Inc

    EIN 474119093 · Headquarters: MINEOLA, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Nassau County Soccer Officals Association Inc

    EIN 825449707 · Headquarters: WEST HEMPSTEAD, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Nassau County Society of Pathologists Inc

    EIN 510152333 · Headquarters: Mineola, NY, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  40. Nassau County Spca Inc

    EIN 237301597 · Headquarters: BETHPAGE, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Nassau County Track Coaches Association

    EIN 421705038 · Headquarters: EAST PATCHOGUE, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Nassau County United Veterans Self Help Residency Program Inc

    EIN 475020515 · Headquarters: HEMPSTEAD, NY, USA · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  43. Nassau County Veterans Monument Fund Inc

    EIN 113038927 · Headquarters: HICKSVILLE, NY, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Nassau County Village Officials Association

    EIN 116038010 · Headquarters: GREAT NECK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Nassau County Womens Bar Foundation Inc

    EIN 134354023 · Headquarters: Garden City, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Nassau Cty Psychol Assn

    EIN 112438451 · Headquarters: MASSAPEQUA PARK, NY, US · Mental Health & Crisis Intervention · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  47. Nassau Cty Sheriffs Correction Officers Benevolent Assoc Widows & Childrens Fund

    EIN 861166234 · Headquarters: EAST MEADOW, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Nassau Cty Sheriffs Dep Columbia Assoc Cultural & Educational Corp

    EIN 320358926 · Headquarters: Massapequa, NY, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Nassau Cultural Center Inc

    EIN 111975953 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Nassau Educational Local 865 Csea

    EIN 112314788 · Headquarters: EAST MEADOW, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Nassau Electric League Inc

    EIN 111803485 · Headquarters: WESTBURY, NY, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  52. Nassau Emerald Society Inc

    EIN 113603056 · Headquarters: MASSAPEQUA, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Nassau Engine and Hose Co No 3 Inc

    EIN 452276182 · Headquarters: Valley Stream, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Nassau Firefighters Memorial Endowment Association

    EIN 205589826 · Headquarters: Port Washington, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Nassau Firematic Water Rescue Association Inc

    EIN 845040559 · Headquarters: ATLANTIC BEACH, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Nassau First Corporation

    EIN 026147525 · Headquarters: Locust Valley, NY, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  57. Nassau Flyers Condor Radio Control Club Inc

    EIN 113089666 · Headquarters: WESTBURY, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Nassau Free Library

    EIN 146028103 · Headquarters: NASSAU, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Nassau Health Care Foundation Inc

    EIN 112033858 · Headquarters: EAST MEADOW, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Nassau Hiking & Outdoor Club Inc

    EIN 237066610 · Headquarters: OLD BETHPAGE, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Nassau Hook and Ladder Co No1 Inc

    EIN 113432161 · Headquarters: Valley Stream, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Nassau Hose Company 1

    EIN 922435453 · Headquarters: Nassau, NY, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Nassau Hose Company No 1 of the Valley Stream Fire Department Inc

    EIN 112668865 · Headquarters: VALLEY STREAM, NY, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Nassau Innovation Reward Fund Inc

    EIN 800030165 · Headquarters: New York, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  65. Nassau Interfaith and Outreach Inc

    EIN 844980229 · Headquarters: EAST MEADOW, NY, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Nassau Interfaith Chaplains Inc

    EIN 812800468 · Headquarters: EAST MEADOW, NY, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Nassau Intergroup of Overeaters Anonymous Inc

    EIN 873343332 · Headquarters: Levittown, NY, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Nassau Land Trust Inc

    EIN 113604202 · Headquarters: GARDEN CITY PARK, NY, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  69. Nassau Lawyers Association Inc

    EIN 237089126 · Headquarters: Mineola, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Nassau Library System

    EIN 111903822 · Headquarters: UNIONDALE, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Nassau Medical Services Foundation Inc

    EIN 237114133 · Headquarters: Garden City, NY, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  72. Nassau Mineral Club Inc

    EIN 116034834 · Headquarters: Glen Cove, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Nassau Music Educators Association

    EIN 237087846 · Headquarters: HICKSVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Nassau Nursery Association Inc

    EIN 141504559 · Headquarters: NASSAU, NY, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Nassau Park Lake Improvement Association

    EIN 161571972 · Headquarters: NASSAU, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Nassau Pediatric Society Inc

    EIN 112480341 · Headquarters: GREAT NECK, NY, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  77. Nassau Penn Fund Inc

    EIN 852625189 · Headquarters: WANTAUGH, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Nassau Performing Artsinc

    EIN 113514079 · Headquarters: UNIONDALE, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Nassau Philharmonia Inc Douglas S Hoppe

    EIN 824446901 · Headquarters: GREENLAWN, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  80. Nassau Physicians Foundation Ltd

    EIN 201083023 · Headquarters: MINEOLA, NY, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Nassau Physicians Guild Inc

    EIN 111876120 · Headquarters: E ISLIP, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Nassau Point Property Owners Association

    EIN 112001043 · Headquarters: Cutchogue, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Nassau Police Conference

    EIN 116029642 · Headquarters: FREEPORT, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  84. Nassau Pops Symphony Orchestra

    EIN 112789266 · Headquarters: FRANKLIN SQUARE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Nassau Psychological Services Institute

    EIN 112142821 · Headquarters: MERRICK, NY, US · Social Science · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  86. NASSAU READING COUNCIL New York State Reading Association

    EIN 112195665 · Headquarters: ALBANY, NY, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. Nassau Regional Emergency Medical Services Program Agency Inc

    EIN 383688708 · Headquarters: MINEOLA, NY, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  88. Nassau Regional Ems Council Inc

    EIN 113183400 · Headquarters: EAST MEADOW, NY, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Nassau Retirees Legal Fund Inc

    EIN 933916750 · Headquarters: SEAFORD, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Nassau Schodack Cemetery Assoc

    EIN 141442392 · Headquarters: Nassau, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Nassau Senior Housing Development Fund Company Inc

    EIN 141794916 · Headquarters: TROY, NY, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  92. Nassau Suffolk Bridge Association Inc

    EIN 112388607 · Headquarters: Huntington, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Nassau Suffolk Civil Engineers

    EIN 237373929 · Headquarters: Riverhead, NY, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Nassau Suffolk District Branch Inc

    EIN 872143986 · Headquarters: Garden City, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Nassau Suffolk Funeral Directors Association

    EIN 112965270 · Headquarters: SAYVILLE, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Nassau Suffolk Horsemens Assoc Inc

    EIN 112378880 · Headquarters: Manorville, NY, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Nassau Suffolk Hospital Council Foundation Inc

    EIN 111805346 · Headquarters: HAUPPAUGE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Nassau Suffolk Hospital Council Inc

    EIN 113434265 · Headquarters: HAUPPAUGE, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Nassau Suffolk Services for the Autistic Inc

    EIN 112669753 · Headquarters: COMMACK, NY, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Nassau Suffolk Water Commissioners' Association

    EIN 800921595 · Headquarters: CARLE PLACE, NY, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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