Nonprofits in Ronkonkoma, New York

Nonprofits in Ronkonkoma, New York. Browse 188 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. 2459 Ocean Owner Llc

    EIN 830908572 · Headquarters: RONKONKOMA, NY, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. A Home Fur Now Rescue Inc C/o Meredith Alvaro

    EIN 462350181 · Headquarters: RONKONKOMA, NY, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Aec Electrical Charitable Foundation Inc

    EIN 132946603 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  4. Aerospace Education Corporation

    EIN 204064346 · Headquarters: RONKONKOMA, NY, USA · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  5. After Hours Wedding Ministry Inc

    EIN 834394370 · Headquarters: RONKONKOMA, NY, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Families for Protection of Life

    EIN 113153415 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  7. American Federation of Teachers

    EIN 460899712 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. American Federation of Teachers

    EIN 510203488 · Headquarters: Ronkonkoma, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Legion

    EIN 116167134 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. American Oriental Arts Foundation of New York Inc

    EIN 113539267 · Headquarters: RONKONKOMA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Amvets

    EIN 113410191 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Amvets

    EIN 462956496 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Amvets

    EIN 870726918 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Amvets 48 Riders

    EIN 932388516 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Ancient Mystical Order of Rosae Crucis

    EIN 112627791 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Anjuman Wazifa Sadaat-o-momineen of North America

    EIN 133588100 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Association for Mental Health & Wellness Inc

    EIN 113012392 · Headquarters: RONKONKOMA, NY, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Association of Civilian Technicians Inc

    EIN 352278401 · Headquarters: RONKONKOMA, NY, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  19. Association of Electrical Contractors Inc

    EIN 111976583 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  20. Baes Missions Inc

    EIN 882618114 · Headquarters: RONKONKOMA, NY, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Ballet Long Islandinc

    EIN 270058354 · Headquarters: Ronkonkoma, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Bcli Inc

    EIN 270180166 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Brotherhood of Locomotive Engineers and Trainmen Long Island Welfare Fund

    EIN 510247782 · Headquarters: Ronkonkoma, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Catholic War Veterans

    EIN 760834023 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Central Council of the Society of St Vincent De Paul in the Diocese

    EIN 383778718 · Headquarters: Ronkonkoma, NY, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Chamber of Commerce of the Greater Ronkonkomas

    EIN 112629266 · Headquarters: RONKONKOMA, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Childrens Foundation of Suffolk Inc

    EIN 753106563 · Headquarters: RONKONKOMA, NY, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. Civil Service Employees Association

    EIN 113242419 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Clear The Way Supportive Housing Co

    EIN 822179485 · Headquarters: Ronkonkoma, NY, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  30. Club 4651 Inc

    EIN 237544094 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Club Lif Inc

    EIN 461249404 · Headquarters: RONKONKOMA, NY, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  32. Columbiettes Incorporated

    EIN 112444498 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Community Program Centers of Li Inc

    EIN 112539861 · Headquarters: RONKONKOMA, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Connetquot Aquatics Inc

    EIN 113499285 · Headquarters: RONKONKOMA, NY, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990

  35. Connetquot Youth Association Inc

    EIN 113033409 · Headquarters: Ronkonkoma, NY, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Connetquot Youth Cheer Organization

    EIN 332901680 · Headquarters: RONKONKOMA, NY, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Connetquot Youth Football Organization Incorporated

    EIN 841657802 · Headquarters: RONKONKOMA, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Connetquot Youth Soccer League

    EIN 113065647 · Headquarters: RONKONKOMA, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. County Plumbers Inc

    EIN 112050234 · Headquarters: RONKONKOMA, NY, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Crime Victims Center Inc D/b/a Parents for Megans Law Inc

    EIN 113496343 · Headquarters: RONKONKOMA, NY, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Denkyira Development Association of North America Inc

    EIN 332786094 · Headquarters: Ronkonkoma, NY, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Deputy Sheriff Harry Steiger Memorial Scholarship Fund

    EIN 113403820 · Headquarters: Ronkonkoma, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. DezyStrong Foundation

    EIN 841827478 · Headquarters: Ronkonkoma, NY, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. District Lodge 3 Sons of Norway Charitable Trust

    EIN 900672298 · Headquarters: RONKONKOMA, NY, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  45. Drive for Dana Inc

    EIN 873405569 · Headquarters: RONKONKOMA, NY, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Edith L Slocum Pta

    EIN 112989761 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Eric Michael Helps Foundation

    EIN 820630539 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Fifth Precinct Fellowship Inc

    EIN 993163731 · Headquarters: Ronkonkoma, NY, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Finley Robertson Porter Region of Antique Automobile Club of America

    EIN 383813398 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. First Haitian Community Resource Center Inc

    EIN 454394503 · Headquarters: RONKONKOMA, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. First Universal Ministry of the Divine Inc

    EIN 264709516 · Headquarters: Ronkonkoma, NY, US · Religion Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Foundas Inc

    EIN 851813930 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Fraternal Order of Police

    EIN 112540708 · Headquarters: Ronkonkoma, NY, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Fraternal Order of Police

    EIN 113513823 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Gace Flying Club

    EIN 112394585 · Headquarters: RONKONKOMA, NY, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Gatelot Avenue Pta

    EIN 237035533 · Headquarters: Ronkonkoma, NY, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  57. Gift of Life USA Inc

    EIN 812839326 · Headquarters: Ronkonkoma, NY, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Gifts from God Inc

    EIN 301386168 · Headquarters: Ronkonkoma, NY, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Give Paws a Chanceinc

    EIN 271282148 · Headquarters: Ronkonkoma, NY, USA · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  60. Glen Pettit Foundation

    EIN 113632118 · Headquarters: Ronkonkoma, NY, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Golia Family Charitable Group Inc

    EIN 884064349 · Headquarters: RONKONKOMA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  62. Great Smile American Hero

    EIN 823814849 · Headquarters: RONKONKOMA, NY, USA · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  63. Greater Ronkonkoma Civic Association

    EIN 921283935 · Headquarters: Ronkonkoma, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Gulianna Hope Foundation Inc

    EIN 881975094 · Headquarters: RONKONKOMA, NY, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Haitian American United for Change H a U C Inc

    EIN 262520684 · Headquarters: Ronkonkoma, NY, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Hauppauge Basketball Organization I

    EIN 203013515 · Headquarters: Ronkonkoma, NY, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  67. Insurgo Foundation Inc

    EIN 831316949 · Headquarters: RONKONKOMA, NY, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  68. International Association of Sheet Metal Air Rail & Transportation

    EIN 113092543 · Headquarters: RONKONKOMA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Iroko Charities International Inc

    EIN 113582584 · Headquarters: Ronkonkoma, NY, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Iron Sights Suffolk County Inc

    EIN 883041740 · Headquarters: RONKONKOMA, NY, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Islip Culture Committee

    EIN 463537746 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. Islip Park Ranger Association Inc

    EIN 113301310 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. James Edmonds Memorial Scholarship Fund Inc

    EIN 881030708 · Headquarters: Ronkonkoma, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Jerome & April Kern Family Foundation Inc

    EIN 814809321 · Headquarters: RONKONKOMA, NY, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  75. Just 4 Paws Cat Rescue Trap Neuter Return Inc

    EIN 851411493 · Headquarters: RONKONKOMA, NY, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Kenneth E Senior Aerospace Scholarship Foundation

    EIN 262002115 · Headquarters: RONKONKOMA, NY, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  77. Knights of Columbus St Regis Council 4651

    EIN 112444262 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Lake Grove Newfield Soccer Clu

    EIN 463012167 · Headquarters: RONKONKOMA, NY, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990

  79. Lake Ronkonkoma Historical Society

    EIN 112866202 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Lakeland Fire Department Inc

    EIN 113242723 · Headquarters: RONKONKOMA, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Lakeland Volunteer Firemans Benevolent Association

    EIN 116026564 · Headquarters: RONKONKOMA, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. LI Against Domestic Violence Inc

    EIN 112470902 · Headquarters: Ronkonkoma, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Li Second Amendment Preservation Association Inc

    EIN 271684184 · Headquarters: RONKONKOMA, NY, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  84. Long Island Arboricultural Assoc Inc

    EIN 112909214 · Headquarters: Ronkonkoma, NY, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Long Island Blues Inc

    EIN 201457701 · Headquarters: RONKONKOMA, NY, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  86. 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

  87. Long Island Falcons Travel Baseball Inc

    EIN 264538174 · Headquarters: Ronkonkoma, NY, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Long Island Ford Mercury Club Inc C O Robert M Horstman

    EIN 112424198 · Headquarters: RONKONKOMA, NY, US · Environment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  89. Long Island Junior Soccer League Inc

    EIN 112563964 · Headquarters: RONKONKOMA, NY, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Long Island Nurses

    EIN 861190558 · Headquarters: RONKONKOMA, NY, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Long Island Professional Aviation Maintenance Association Lipama Inc

    EIN 900896586 · Headquarters: Ronkonkoma, NY, US · Employment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. Long Island Soccer Referees Association Inc

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

  93. Louis Mancuso Sr Scholarship Fund

    EIN 262962427 · Headquarters: Ronkonkoma, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Macarthur Business Alliance Inc

    EIN 113244707 · Headquarters: Ronkonkoma, NY, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Mental Health Association in Suffolk County Inc

    EIN 111949966 · Headquarters: RONKONKOMA, NY, USA · Mental Health & Crisis Intervention · Latest available filing year: 2015 · Primary form: IRS Form 990

  96. Millie Dagostino Scholarship Fund Inc

    EIN 842801428 · Headquarters: Ronkonkoma, NY, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Air Traffic Controllers Association

    EIN 112929292 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Navy League of the United States Long Island Council

    EIN 823564496 · Headquarters: RONKONKOMA, NY, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. New York Sportscene Childrens Foun

    EIN 113271812 · Headquarters: RONKONKOMA, NY, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Niagra Falls Namhatta Center Inc

    EIN 994724673 · Headquarters: Ronkonkoma, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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