Unknown & Unclassified nonprofits in Ohio

Unknown & Unclassified nonprofits in Ohio. Browse 26,579 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. Huber Heights Amateur Radio Club Llc

    EIN 872267883 · Headquarters: Huber Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Huber Heights Amvets 464

    EIN 311413715 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Huber Heights Chamber of Commerce

    EIN 310971275 · Headquarters: Huber Heights, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Huber Heights Education Association

    EIN 237078624 · Headquarters: PIQUA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Huber Heights Rotary Club

    EIN 310947790 · Headquarters: HUBER HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Huber Heights Senior Center

    EIN 311329520 · Headquarters: Dayton, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Huber Heights Veterans Club Inc

    EIN 316066149 · Headquarters: New Carlisle, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Huber Ridge Area Association

    EIN 371662732 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Hudson Area Chamber of Commerce

    EIN 341435320 · Headquarters: HUDSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Hudson Community Chorus

    EIN 341603839 · Headquarters: HUDSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Hudson Community Service Association

    EIN 346548847 · Headquarters: HUDSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Hudson Forward Together

    EIN 852260837 · Headquarters: HUDSON, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Hudson Genealogical Study Group

    EIN 341569180 · Headquarters: Hudson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Hudson Heritage Association

    EIN 346551830 · Headquarters: Hudson, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Hudson Junior Invitational Charity

    EIN 341618279 · Headquarters: HUDSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Hudson Montessori Association

    EIN 340903793 · Headquarters: HUDSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Hudson Newcomers Club Inc

    EIN 237390750 · Headquarters: HUDSON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Hudson Park Estates Swim & Tennis Club

    EIN 341621517 · Headquarters: HUDSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  19. Hudson Philo D Max Succ-ta

    EIN 346508442 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Hudson Pre-school Parents Organization

    EIN 341248012 · Headquarters: Hudson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Hudson Tennis Club

    EIN 341247058 · Headquarters: Hudson, OH, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  22. Hudson United Lacrosse

    EIN 412748834 · Headquarters: Hudson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Hudson-essex Terraplane Club Inc

    EIN 310932027 · Headquarters: Fletcher, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Huenited Collective

    EIN 871549262 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Hugh OBrian Youth Leadership Ohio South

    EIN 800905267 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Hugo H & Mabel B Young Foundation

    EIN 346560664 · Headquarters: Loudonville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Hugs and Hope Foundation

    EIN 475265224 · Headquarters: ROCKY RIVER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Human Effectiveness Directorate

    EIN 454798957 · Headquarters: Wright Pat, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. Human Resources Assoc of Central Ohio

    EIN 237410411 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Humane Animal Treatment Association

    EIN 311153234 · Headquarters: COSHOCTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Humane Pawz Inc

    EIN 851353079 · Headquarters: PORTSMOUTH, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  32. Humanitarian Solutions

    EIN 811114514 · Headquarters: MANSFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Humble Helping Hands Foundation Inc

    EIN 995020472 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Humility House

    EIN 341894783 · Headquarters: Blue Ash, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Humility of Mary Housing Inc

    EIN 251592420 · Headquarters: CUYAHOGA FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Humphrey G Residuary Trust

    EIN 066055126 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Hungarian Business & Tradesmen Club

    EIN 340736461 · Headquarters: MAPLE HTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  38. Hungarian Festival Club of Dayton

    EIN 923021791 · Headquarters: Beavercreek, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Hungarian-american Club Inc

    EIN 340372490 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Hunger Network in Ohio

    EIN 310926559 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Hunnybee Healthcare Inc

    EIN 991813252 · Headquarters: SANDUSKY, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Hunter Volunteer Fire Company

    EIN 311229102 · Headquarters: FRANKLIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Hunting Meadows Garden Club

    EIN 341423622 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Huntington Hills Recreation Club Inc

    EIN 310898733 · Headquarters: PICKERINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  45. Huntington School Alumni Assoc

    EIN 475153372 · Headquarters: CHILLICOTHE, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. Huntington Township Volunteer Fire Department Association Incorporate

    EIN 310891672 · Headquarters: Chilicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. Huntingtons Disease Society of America Inc

    EIN 222942577 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  48. Huntsmen Athletic Booster Assoc Inc

    EIN 392163802 · Headquarters: Chillicothe, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Huntsville Alumni Association

    EIN 471024954 · Headquarters: Bellefontaine, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  50. Huron Chamber of Commerce

    EIN 344433651 · Headquarters: HURON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Huron Community Services Inc

    EIN 341313043 · Headquarters: HURON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Huron County Cattlemens Association

    EIN 770714672 · Headquarters: N Fairfield, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. Huron County Chapter of the Ohio Genealogical Society

    EIN 341522428 · Headquarters: Norwalk, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Huron County Farm Bureau

    EIN 346527180 · Headquarters: North Royalton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Huron County Growth Partnership

    EIN 344445500 · Headquarters: NORWALK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Huron County Right to Life Society Inc

    EIN 341353806 · Headquarters: NORWALK, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Huron County Second Chance K-9s

    EIN 822429543 · Headquarters: Norwalk, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  58. Huron Education Association

    EIN 237077173 · Headquarters: Vermilion, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Huron Foundation

    EIN 340735209 · Headquarters: SHAKER HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. Huron River Greenway Coalition

    EIN 341722975 · Headquarters: Huron, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Huron Township Conservation Club

    EIN 341212341 · Headquarters: Huron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Huron Yacht Club

    EIN 341342590 · Headquarters: HURON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Hy Ho Club

    EIN 237366302 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Hy-crest Swim Club & Recreation Association Inc

    EIN 310710548 · Headquarters: West Chester, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  65. Hybrid Bearcats

    EIN 814938218 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Hyde Park Golf & Country Club

    EIN 310327780 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Hyde Park Golf & Country Club Employee Scholarship Fund

    EIN 562571952 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  68. Hyde Park Tennis Club

    EIN 310327725 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. I & I - Life

    EIN 993370419 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. I B P O E of W-martin Luther King Jr Temple 1216

    EIN 853110593 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. I C L Institute

    EIN 341286005 · Headquarters: Cleveland Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. I Can Academy Inc

    EIN 933827235 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. I Heart Humanity

    EIN 844102097 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. I J Van Huffel Foundation Xxxxxxxxx

    EIN 346516726 · Headquarters: WARREN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. I Know I Can

    EIN 311229135 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. I Made It Through Ministries

    EIN 863349702 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. I O O F Prokop Velky Fresh Air Camp

    EIN 341594879 · Headquarters: solon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. I9 Sports Association - Chapter 306

    EIN 464515216 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  79. Iaff Local 4532 Madison County Emergency Medical Professionals

    EIN 333314653 · Headquarters: London, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Iaff Local 5164

    EIN 824830722 · Headquarters: Englewood, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Iatse Cincinnati Stage Employees Local #5

    EIN 310329926 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Iatse Local 216

    EIN 992561370 · Headquarters: Independence, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Iatse Local B-27

    EIN 341213235 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Iatse Stage & Picture Operators Local 209

    EIN 341726553 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Ibew Local 673 Fringe Benefit Funds Inc

    EIN 341506412 · Headquarters: MENTOR, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Ibew Local 71 Building Corporation

    EIN 311407658 · Headquarters: GROVE CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Ibew Local Union 212 Supplemental Unemployment Benefit Trust

    EIN 237278092 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Ibew Local Union 306 Supplemental Health Benefit Fund

    EIN 341409929 · Headquarters: CANFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. IBEW Local Union 972

    EIN 310965899 · Headquarters: Reno, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Ibew Local Union No 129

    EIN 340443362 · Headquarters: LORAIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Ibh Foundation Inc

    EIN 341597850 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Ibt Local No 2750

    EIN 843409884 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Ican Inc

    EIN 341575839 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Ich Baseball Club

    EIN 821997204 · Headquarters: Blacklick, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  95. Icmc

    EIN 341468123 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Ida Croley Cemetery Charitable Tr

    EIN 876433964 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Ida Marie Dowling Trust XVII

    EIN 346525580 · Headquarters: Toledo, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Idora Wildcats 4-H Club of Mahoning County

    EIN 451628293 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  99. If Not for You Ryan Foundation

    EIN 335029131 · Headquarters: roaming shores, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Iglesia Alfa Omega

    EIN 800735299 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

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