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. Coalition to Keep Columbus Strong

    EIN 455598389 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  2. Coalition to Restore American Values

    EIN 831249836 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Coalition to Restore Public Trust

    EIN 852254748 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  4. Coalton Volunteer Fireman Inc

    EIN 316028935 · Headquarters: COALTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  5. Coast Guard Investigators Association

    EIN 202920651 · Headquarters: COPLEY, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  6. Coatings Research Group Inc

    EIN 520678247 · Headquarters: BEREA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Cobblestone Estates Homeowners Association Inc

    EIN 311402061 · Headquarters: Centerville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Coenant of the Crow

    EIN 994187782 · Headquarters: NEW PLYMOUTH, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Coghlin Memorial Institute

    EIN 341365394 · Headquarters: Toledo, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Cohen Animal Shelter

    EIN 800631467 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Cohen Elliott Fbo Ujc Tw

    EIN 146119516 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Coitsville Police Association

    EIN 341941288 · Headquarters: Lowellville, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  13. Col Justice M Chambers Det 555 Marine Corps League

    EIN 341806965 · Headquarters: Mentor, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Coldstream Country Club

    EIN 310619763 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  15. Coldwater Academic Promoters

    EIN 341569949 · Headquarters: COLDWATER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Coldwater Area Chamber of Commerce

    EIN 237451623 · Headquarters: Coldwater, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Coldwater Athletic Booster Club

    EIN 341336926 · Headquarters: COLDWATER, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Coldwater Columbian Squires

    EIN 943476225 · Headquarters: Coldwater, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Coldwater Kiwanis Club Kiwanis Club

    EIN 113837972 · Headquarters: COLDWATER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Coldwater Teachers Organization

    EIN 341281929 · Headquarters: Coldwater, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Cole Family Foundation

    EIN 341715561 · Headquarters: REPUBLIC, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Colerain Elementary Pta

    EIN 237256462 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Colerain Volunteer Fire Company

    EIN 341326966 · Headquarters: COLERAIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Coleys Corner

    EIN 901031239 · Headquarters: belmont, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  25. Collective Prosperity

    EIN 821024980 · Headquarters: DUBLIN, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Collective Within Training Center I Nc

    EIN 392955254 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Collectively Helping Underrepresented Relevant Communit

    EIN 933922613 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. College and University Work-family Association

    EIN 943261263 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  29. College Athletic Business Management Association

    EIN 386107311 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. College Club of Canton

    EIN 237455921 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. College Club of Tuscarawas County

    EIN 341370527 · Headquarters: New Philadelphia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. College Club West

    EIN 346540035 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. College Club West Scholarship Foundation Inc

    EIN 341276284 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. College Hill Forum

    EIN 310921811 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. College Hill Garden Club

    EIN 311716559 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  36. College Hill Historical Society

    EIN 311232286 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. College Hill Knothole Association

    EIN 311009681 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. College of Optometrists in Vision Development

    EIN 410962335 · Headquarters: AURORA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. College of Psychiatric and Neurologic Pharmacists Collegiate

    EIN 833904528 · Headquarters: TOLEDO, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. College of Psychiatric and Neurologic Pharmacists Neomed

    EIN 813615419 · Headquarters: ROOTSTOWN, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  41. College Properties of Northern Ohio Inc

    EIN 340960554 · Headquarters: OBERLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. College Town House Board

    EIN 311277141 · Headquarters: Granville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. College Womens Club of Dayton Ohio

    EIN 237431062 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Collegiate Alumni Network of Central Ohio

    EIN 262769108 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Collingwood Presbyterian Church Foundation

    EIN 346557660 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Collinwood and Nottingham Village Development Corp

    EIN 341361233 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Collinwood Memories Club

    EIN 341542198 · Headquarters: WILLOUGHBY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Collinwood Nottingham Historical So Ciety

    EIN 423705916 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Colonel Crawford Education Association

    EIN 237076217 · Headquarters: Galion, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Colonial City Chapter 100 Women of the Moose

    EIN 316040239 · Headquarters: Mount Vernon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Colonial City Lodge 2555

    EIN 912029206 · Headquarters: MOUNT VERNON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Colony Club Inc

    EIN 346556510 · Headquarters: Ontario, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Colorado Plaza Senior Housing Inc

    EIN 311714219 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Colorectal Team Overseas

    EIN 465682588 · Headquarters: GROVE CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Colored Pencil Society of America

    EIN 205326960 · Headquarters: Bryan, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Columbia After Prom 26 Inc

    EIN 921272387 · Headquarters: Columbia Station, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Columbia Athletic Association

    EIN 340158595 · Headquarters: Barberton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Columbia Band Boosters

    EIN 341397623 · Headquarters: Columbia Station, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Columbia Chamber of Commerce Inc

    EIN 341769407 · Headquarters: Columbia Station, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  60. Columbia Game Club

    EIN 237064842 · Headquarters: COLUMBIA STATION, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Columbia Historical Society

    EIN 341386783 · Headquarters: COLUMBIA STA, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Columbia Local Education Association

    EIN 341424861 · Headquarters: Columbia Station, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Columbia Recreation Association Inc

    EIN 314152473 · Headquarters: E FULTONHAM, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Columbia Township Volunteer Fire Department

    EIN 521334345 · Headquarters: Albany, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Columbian Association of Niles Ohio

    EIN 237140834 · Headquarters: Niles, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Columbiana Area Chamber of Commerce

    EIN 341341246 · Headquarters: COLUMBIANA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Columbiana Co Centaur Radio

    EIN 341639912 · Headquarters: east liverpool, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. Columbiana County Antique Tractor Association Inc

    EIN 341739440 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Columbiana County Archers

    EIN 611681826 · Headquarters: LISBON, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Columbiana County Dairy Teams

    EIN 465022977 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Columbiana County Democratic Womens Caucus

    EIN 853443364 · Headquarters: LIsbon, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Columbiana County Equine Team 4-H Club of Columbiana County

    EIN 933403977 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Columbiana County Farm Bureau

    EIN 346526925 · Headquarters: North Royalton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Columbiana County Historical Association

    EIN 341253555 · Headquarters: Salem, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Columbiana County Junior Fair Pocket Pets

    EIN 471416834 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  76. Columbiana County Law Library Association

    EIN 346536454 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Columbiana County Mental Health Clinic

    EIN 341417161 · Headquarters: LISBON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Columbiana County School Emp Cu

    EIN 340869735 · Headquarters: LISBON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Columbiana Local Association of School Support Oea Nea

    EIN 341756621 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Columbiana Womens Club Inc

    EIN 341023646 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Columbus Academy Alumni Association

    EIN 237218946 · Headquarters: Gahanna, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Columbus African Violet Society

    EIN 412171728 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Columbus Apartment Association

    EIN 310784214 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Columbus Aqua Ski Club Inc

    EIN 311032114 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Columbus Aquarium Fish Enthusiasts

    EIN 311449593 · Headquarters: LONDON, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Columbus Architecture Foundation

    EIN 237413425 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Columbus Area Chapter Apa

    EIN 862022639 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. Columbus Arts Ball Giving

    EIN 273069667 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  89. Columbus Assoc of Building Owners

    EIN 311065415 · Headquarters: LEWIS CENTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Columbus Association for the Southern Theatre

    EIN 311051023 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Columbus Association of Realtors

    EIN 314154020 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Columbus Astronomical Society

    EIN 311100385 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Columbus Automobile Dealers Association

    EIN 314152650 · Headquarters: DUBLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Columbus Babywearing

    EIN 471166766 · Headquarters: Upper Arlington, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Columbus Bar Association Auxiliary

    EIN 311119837 · Headquarters: Gahanna, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Columbus Bible Students Inc

    EIN 237017465 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Columbus Catholic Young Adult Conference

    EIN 931921928 · Headquarters: Delaware, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Columbus Central High School Alumni Association

    EIN 365134337 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Columbus Ceo Collective

    EIN 871052991 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  100. Columbus Chapter 84 of Ikebana International

    EIN 311107804 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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