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. Cleveland Miniaturia Society

    EIN 341660979 · Headquarters: Westlake, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Cleveland Mounted Police Charitable

    EIN 346848684 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Cleveland National Air Show Charitable Foundation Inc

    EIN 341741796 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Cleveland National Air Show Inc

    EIN 341017073 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Cleveland Newspaper Publ-newsp & Mag Drivers Un Loc 473 Rec Fund

    EIN 341234556 · Headquarters: VALLEY VIEW, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Cleveland Ohio Chapter of Association of Legal Administrator

    EIN 341586907 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Cleveland Peace Action

    EIN 201324485 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  8. Cleveland Performing Arts Ministry Inc

    EIN 341481112 · Headquarters: Northfield, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Cleveland Photographic Workshop

    EIN 341265976 · Headquarters: SHAKER HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Cleveland Plumbing Contractors Association Inc

    EIN 340709637 · Headquarters: BROOKLYN HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Cleveland Plumbing Industry Promotion & Education Fund

    EIN 346558989 · Headquarters: BROOKLYN HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Cleveland Police Historical Society Inc

    EIN 341397411 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Cleveland Police Patrolmens Assoc

    EIN 341045635 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Cleveland Police Patrolmens Social

    EIN 341271217 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Cleveland Psychological Assoc Inc

    EIN 341377843 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Cleveland Public Library Foundation

    EIN 346565428 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Cleveland Regional Association of Biologists

    EIN 341722691 · Headquarters: Ravenna, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  18. Cleveland Repertory Orchestra

    EIN 862397936 · Headquarters: Cleveland Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Cleveland Resource Network

    EIN 853839505 · Headquarters: shaker heights, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Cleveland Right to Life Inc

    EIN 341191080 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Cleveland Road Runners Club

    EIN 341409850 · Headquarters: LAKEWOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Cleveland Rock & Roll Inc

    EIN 341597956 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Cleveland Rowing Foundation

    EIN 341606654 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Cleveland Society for Contemporary Art The

    EIN 341326566 · Headquarters: Moreland Hills, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Cleveland Society for Human Resource Man

    EIN 341335129 · Headquarters: MENTOR, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Cleveland Society Inc

    EIN 341018103 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. Cleveland Society of Financial Service Professionals

    EIN 346561757 · Headquarters: BEREA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Cleveland Society of Hospital Pharmacists

    EIN 340003062 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Cleveland Society of Obstetrics & Gynecology

    EIN 346536593 · Headquarters: Chardon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Cleveland Society of Pathologists Inc

    EIN 346554739 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Cleveland South High Class of 57

    EIN 311507501 · Headquarters: SEVEN HILLS, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  32. Cleveland State University Alumni Association

    EIN 345519719 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Cleveland State University Chapter of Aaup

    EIN 341556594 · Headquarters: FAIRVIEW PARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Cleveland Student Housing Assoc

    EIN 341106100 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. Cleveland Surgical Society

    EIN 341429663 · Headquarters: BROADVIEW HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Cleveland Teachers Union 279 Cleveland

    EIN 340050410 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Cleveland Teamsters Motorcycle Association

    EIN 204298947 · Headquarters: Rocky River, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  38. Cleveland Ufology Project

    EIN 341439125 · Headquarters: Brunswick, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Cleveland Urban Minority Alcoholism and Drug Abuse Outreach Project

    EIN 341517684 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Cleveland West Side Chapter of Delta Delta Delta

    EIN 275083754 · Headquarters: Rocky River, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  41. Cleveland Womens Golf Association

    EIN 341688100 · Headquarters: Concord Twp, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Clh Foundation

    EIN 311346007 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Cliff Brilla Memorial Fund

    EIN 203777878 · Headquarters: Burton, OH, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Clifton Business & Professional Ass

    EIN 311068183 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Clifton Meadows Corporation

    EIN 310592717 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Clifton Music Club

    EIN 510138691 · Headquarters: Cleves, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Clifton Park Trustees

    EIN 340154388 · Headquarters: LAKEWOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Clifton Properties Inc

    EIN 346543351 · Headquarters: FAIRVIEW PARK, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Clinton Co Historical Society Inc

    EIN 311014721 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Clinton County 4-H Committee

    EIN 311053903 · Headquarters: Wilmington, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Clinton County Community Action Program

    EIN 310723063 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Clinton County Convention Visitors Bureau

    EIN 311592477 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Clinton County Farm Bureau

    EIN 316032662 · Headquarters: Wilmington, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Clinton County Farmers' and Sportsman's Association

    EIN 310855604 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Clinton County Historical Society

    EIN 310586407 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Clinton County Humane Society Company

    EIN 237223963 · Headquarters: Wilmington, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Clinton County Leadership Institute

    EIN 311205953 · Headquarters: WILMINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Clinton County Retired Teachers Association

    EIN 800628460 · Headquarters: Wilmington, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Clinton Lodge No 47 F&am

    EIN 340233979 · Headquarters: MASSILLON, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  60. Clinton Massie Youth Wrestling Program Inc

    EIN 270450201 · Headquarters: Clarksville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Clintonville Women's Club

    EIN 316037052 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Cliometrics Society

    EIN 311177580 · Headquarters: Oxford, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Clippard Instrument Laboratory Inc Health Care Plan & Trust

    EIN 311245120 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Clipped Wings United Airlines Stewardess Alumnae and Flight Atte

    EIN 320381569 · Headquarters: Rocky River, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  65. Clocktower Collaborative

    EIN 931355775 · Headquarters: Hudson, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Clover C Clark Memorial Tr

    EIN 016007111 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  67. Clover Friends 4-H Club of Champaign County

    EIN 454645657 · Headquarters: Mechanicsburg, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  68. Cloverdale Garden Club

    EIN 113666144 · Headquarters: Cloverdale, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. Cloverleaf Education Association

    EIN 341379538 · Headquarters: Seville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Cloverleaf Music Associates Inc

    EIN 341395610 · Headquarters: Westfield Center, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Cloverleaf Soccer Association

    EIN 341510527 · Headquarters: Seville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Clovers for Christ

    EIN 461871619 · Headquarters: Xenia, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  73. Clss of 67 Reunion

    EIN 472691734 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  74. Club 16

    EIN 346555668 · Headquarters: HOLLAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  75. Club 59 Ers

    EIN 341021073 · Headquarters: EUCLID, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Club Alma Yaucana

    EIN 341693406 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  77. Club Ark Ministries Inc

    EIN 455118545 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Club Condos of Zanesville

    EIN 842477134 · Headquarters: ZANESVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Club Marinole Inc

    EIN 310623331 · Headquarters: Kettering, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Club Metro

    EIN 341734663 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Club Nineteen

    EIN 310951717 · Headquarters: Sylvaina, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Club5678

    EIN 933396239 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Clyde Chapt No 1111 Women of the Moose

    EIN 237150043 · Headquarters: Clyde, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  84. Clyde Heritage League Inc

    EIN 237453363 · Headquarters: CLYDE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Clyde Knights of Columbus Council 1175

    EIN 341962276 · Headquarters: Clyde, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Clyde Pee Wee Cheerleading

    EIN 800573709 · Headquarters: Clyde, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  87. Clyde-green Springs Education Association

    EIN 341312319 · Headquarters: Clyde, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Clydescope Economic Dev Corp

    EIN 341811627 · Headquarters: CLYDE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  89. Clydesdale Breeders of the USA

    EIN 420996041 · Headquarters: Fredericktown, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Cma Benefit Club Paul Frankenfeld

    EIN 316050571 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Cma-hinman Hurlbut

    EIN 346506384 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Cmla-allen Dp3 Fd 6 Ta

    EIN 346527626 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  93. CMPA Education Foundation of the CMPA

    EIN 311401538 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Cms East Inc Ohio Endowment Care

    EIN 616566313 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Co Moor Recreation Club

    EIN 341190799 · Headquarters: STRONGSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Co-lab Creative Inc

    EIN 931663940 · Headquarters: WORTHINGTON, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Coal Grove Volunteer Fire Department Auxiliary

    EIN 472417229 · Headquarters: Coal Grove, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Coalition for Redistricting Reform

    EIN 823808301 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  99. Coalition of Labor Union Employees

    EIN 461895145 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Coalition to Ban Ohio Dog Auctions

    EIN 270419491 · Headquarters: LEWIS CENTER, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

First page and all pages