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. Central Ohio Chapter Cai

    EIN 311591329 · Headquarters: WESTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. Central Ohio Chapter Information Systems Security Assn

    EIN 363888495 · Headquarters: HILLIARD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Central Ohio Chapter of the National Electrical Contractors Association

    EIN 314397924 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Central Ohio Clash

    EIN 464890842 · Headquarters: Marion, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  5. Central Ohio Corp of Dance Clubs Inc

    EIN 010963366 · Headquarters: Gahanna, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Central Ohio Crime Stoppers Inc

    EIN 310916741 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Central Ohio Deaf Blind Association

    EIN 465303619 · Headquarters: canal wnchster, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. Central Ohio Federation of Musicians Local 103

    EIN 314153275 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Central Ohio Fiction Writers

    EIN 742529243 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Central Ohio Health Care Consortium

    EIN 311341366 · Headquarters: GRANVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  11. Central Ohio Hot Jazz Society

    EIN 311125707 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Central Ohio Labor Council Afl-cio

    EIN 314446019 · Headquarters: COLUMBS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Central Ohio Land Title Underwriters Association

    EIN 311447008 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Central Ohio Living Free Inc

    EIN 814410536 · Headquarters: CIRCLEVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Central Ohio Mental Health Center

    EIN 314443574 · Headquarters: Delaware, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Central Ohio Mg Owners

    EIN 311076592 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Central Ohio Moose Legion No 63

    EIN 237519823 · Headquarters: GALION, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Central Ohio Nari

    EIN 311141711 · Headquarters: GAHANNA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Central Ohio Organization of Nursing Leadership

    EIN 923225657 · Headquarters: Lewis Center, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Central Ohio Orienteers

    EIN 334142644 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Central Ohio Pen Club

    EIN 861948843 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Central Ohio Radio Kontrols

    EIN 311066758 · Headquarters: Galena, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Central Ohio Reef Aquarist

    EIN 201642503 · Headquarters: Pickerington, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  24. Central Ohio Roller Dolls

    EIN 453060614 · Headquarters: Mount Vernon, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  25. Central Ohio Saddle Club Association Inc

    EIN 341208463 · Headquarters: Streetsboro, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Central Ohio Section of Asnt

    EIN 831890758 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  27. Central Ohio Service Intergroup of Overeaters Anonymous

    EIN 311019690 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Central Ohio Sign Association

    EIN 873202368 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Central Ohio Soaring Association Inc

    EIN 237168541 · Headquarters: Dublin, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Central Ohio Spina Bifida Alliance

    EIN 311087596 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Central Ohio Tax Club

    EIN 474670657 · Headquarters: LANCASTER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Central Ohio Teamsters Building Co

    EIN 310724398 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Central Ohio Theatre Roundtable

    EIN 203624228 · Headquarters: Bexley, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Central Ohio Tractor Pullers Assoc

    EIN 341667792 · Headquarters: MOUNT VICTORY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Central Ohio Unit of the Herb Society of America

    EIN 311032204 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Central Ohio Veteran & Retired Employees Association

    EIN 823899163 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  37. Central Point Preparatory Academy

    EIN 844844684 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Central School of Practical Nursing Inc

    EIN 340873175 · Headquarters: INDEPENDENCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Central School of Practical Nursing Ta

    EIN 346507840 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Central State University Chapter of the American Association of Un

    EIN 311296072 · Headquarters: wilberforce, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Central States Insulation Abatement Contractors Association Inc

    EIN 311267987 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Central Western Firemens Association Inc

    EIN 310997806 · Headquarters: COVINGTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Centricity Perinatal Users Group

    EIN 261311056 · Headquarters: Medina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Centurion Foundation

    EIN 311255905 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Cer Fund of Local 400

    EIN 346727972 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Certified Pipe Welding Bureau of Cleveland Ohio Inc

    EIN 340858945 · Headquarters: BROOKLYN HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Cesear's Forum

    EIN 363661063 · Headquarters: TWINSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Ceska Sin Sokol

    EIN 340138940 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Cfa Society Cleveland

    EIN 237065462 · Headquarters: SHAKER HTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Cfa Society of Cincinnati Inc

    EIN 237094427 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Cfa Society of Columbus

    EIN 311393658 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. CHA Animal Shelter

    EIN 510166864 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Chadwicksamaritan Hospital 51

    EIN 146014711 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  54. Chadwickst Johns Ep Ch Cohoes 51

    EIN 146014710 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. Chagrin Falls Alumni Association

    EIN 341702103 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Chagrin Falls Auxiliary No 2436

    EIN 237592205 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Chagrin Falls Educational

    EIN 341572271 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Chagrin Falls Historical Society

    EIN 346571176 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Chagrin Falls Meals on Wheels Inc

    EIN 341193117 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Chagrin Falls Music Lovers

    EIN 237398234 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Chagrin Falls Park Community Center Corporation

    EIN 800830689 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Chagrin Falls Park Community Development Corporation

    EIN 460968322 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  63. Chagrin Falls Park Historical Society Inc

    EIN 460968526 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. Chagrin Falls Suburban Volunteer Fireman's Association

    EIN 341047668 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Chagrin Falls Vfw Post 12067

    EIN 262366896 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. Chagrin Harbor Beach Yacht Club

    EIN 825279111 · Headquarters: Eastlake, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. Chagrin Lagoons Yacht Club

    EIN 340835152 · Headquarters: EASTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. CHAGRIN LAKES CLUB INC Co J Flaiz

    EIN 341039341 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. Chagrin River Yacht Club

    EIN 341043812 · Headquarters: EASTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Chagrin Valley Chamber of Commerce

    EIN 340834278 · Headquarters: Chagrin Falls, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Chagrin Valley Country Club

    EIN 340139070 · Headquarters: MORELAND HILLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Chagrin Valley Fish & Game Protective Association Inc

    EIN 810678140 · Headquarters: Chardon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Chagrin Valley Hunt Club

    EIN 340139080 · Headquarters: GATES MILLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Chagrin Valley Rec Center Council Inc

    EIN 346004351 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. Chagrin Valley Ski Club

    EIN 384157299 · Headquarters: Columbia Station, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Chahoonausable Forks Fire Dpt 51

    EIN 146050262 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. Chalfant Society

    EIN 310997002 · Headquarters: DRESDEN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Chalker High School Newton Chalker

    EIN 346543924 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Chamber of Commerce of Sandusky County

    EIN 344407238 · Headquarters: Fremont, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Chamber of Commerce of Southwestern Auglaize County Inc

    EIN 341868773 · Headquarters: NEW BREMEN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Chamber Professionals of Ohio

    EIN 237129981 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Champ Vallones Animal Welfare Inc

    EIN 271783954 · Headquarters: Geneva, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  83. Champaign County Arts Council Inc

    EIN 237411142 · Headquarters: Urbana, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Champaign County Chamber of Commerce

    EIN 344474283 · Headquarters: Urbana, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Champaign County Farm Bureau

    EIN 346570970 · Headquarters: Troy, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  86. Champaign County Historical Society

    EIN 237247172 · Headquarters: Urbana, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Champaign County Junior Dairy Council

    EIN 992469953 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Champaign County Retired Teachers Association

    EIN 900427137 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Champaign Cty Memorial Foundation

    EIN 346536218 · Headquarters: URBANA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Champion Cheer Athletic Boosters

    EIN 454864281 · Headquarters: CASTALIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  91. Champion City Bmx Inc

    EIN 270429753 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  92. Champion Credit Union Inc

    EIN 344407085 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Champion Fishermans Club Inc

    EIN 311158260 · Headquarters: HAMILTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Champion Quarter Century & Retiree Club

    EIN 341600627 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Champion School Support Association

    EIN 800315515 · Headquarters: Warren, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Champion Youth Soccer League

    EIN 341443807 · Headquarters: Warren, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Championjohn W Oag # 54-0444

    EIN 316023090 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Champions Tennis Club

    EIN 933978608 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Chaney High School Athletic Foundation Inc

    EIN 341623029 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Chapel Hill Christian School - Endowment Fund

    EIN 341588010 · Headquarters: CUYAHOGA FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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