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. Athens Golf and Country Club

    EIN 314119160 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Athens High School Century Club

    EIN 237076239 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Athens Masonic Temple Company

    EIN 314119310 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Athens Rotary Club-rotary Interntl

    EIN 316055854 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Athens United Immigrant Support Prj

    EIN 843822024 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Athens Uptown Association

    EIN 994680243 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Athens Uptown Special Improvement District Inc

    EIN 853248967 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  8. Athletic Club of Columbus

    EIN 314119430 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Athletic Club of Sandusky Inc

    EIN 200162694 · Headquarters: SANDUSKY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Atkins Grace Uw Fbo Charities

    EIN 066138990 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. Atkins Vernon L Ochr

    EIN 346516702 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  12. Atlantic Brass Quintet Inc

    EIN 043107983 · Headquarters: Shaker Heights, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. Atomic Credit Union

    EIN 314415974 · Headquarters: Piketon, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Attica Goodknights Inc

    EIN 341487916 · Headquarters: Attica, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Atwood Area Fall Festival

    EIN 341782478 · Headquarters: SHERRODSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Atwood Glens Association Inc

    EIN 833998720 · Headquarters: MINERAL CITY, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Atwood Yacht Club Inc

    EIN 340731946 · Headquarters: SHERRODSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Atwood-mauk Corporation

    EIN 340978105 · Headquarters: BURTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. ATZFarmHouse Alumni Association

    EIN 311456776 · Headquarters: Lancaster, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Auburn Foundation

    EIN 341379265 · Headquarters: BEACHWOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Auditorium Building Company

    EIN 314119830 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  22. Audrey Dohar Scholarship Fund

    EIN 814791864 · Headquarters: Mineral Ridge, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  23. Audrey House Ltd

    EIN 823966267 · Headquarters: dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  24. Auglaize and Mercer Counties Convention and Visitors Bureau

    EIN 341603294 · Headquarters: ST MARYS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Auglaize Area Tennis Association

    EIN 275077616 · Headquarters: WAPAKONETA, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  26. Auglaize County Farm Bureau Inc

    EIN 346527404 · Headquarters: Wapakoneta, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Auglaize County Genealogical Society

    EIN 341496154 · Headquarters: Wapakonwta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Auglaize County Historical Society

    EIN 346560999 · Headquarters: Wapakoneta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Auglaize Industries Inc

    EIN 341389538 · Headquarters: NEW BREMEN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  30. Auglaize Roots & Shoots

    EIN 341894097 · Headquarters: Wapakoneta, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Auglaize Townships United

    EIN 862671311 · Headquarters: WAPAKONETA, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Augustus Warner Fbo Sumner Fdn

    EIN 346500753 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Ault Park Advisory Council Inc

    EIN 311231795 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. Aultman Home for Aged Women

    EIN 346652426 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Aultman Orrville Auxiliary Hospital

    EIN 341628256 · Headquarters: Orrville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Aultman Retirees and Friends

    EIN 471632477 · Headquarters: North Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  37. Aurora Baseball Club Llc

    EIN 263504344 · Headquarters: Aurora, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  38. Aurora Chamber of Commerce

    EIN 341328014 · Headquarters: AURORA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Aurora Education Association

    EIN 237418153 · Headquarters: KENT, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Aurora Historical Society

    EIN 237027198 · Headquarters: Aurora, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Aurora Library Trust

    EIN 346556975 · Headquarters: AURORA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Aurora R Kittredge Charitable Trust

    EIN 466634504 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Austin Healey Club of America Miami Valley Chapter

    EIN 811271909 · Headquarters: Vandalia, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Austin Healey Club of America- Northeast-Ohio

    EIN 341368950 · Headquarters: Hudson, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Austintown Choral Parents Club

    EIN 270190509 · Headquarters: Austintown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Austintown Education Association

    EIN 341056304 · Headquarters: Austintown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Austintown Intermediate School Pta

    EIN 237254693 · Headquarters: Youngstown, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Austintown Kiwanis Youth & Community Service Fund Inc

    EIN 346526260 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  49. Austintown Little League Association

    EIN 237011750 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Autism Awareness Walk-a-thon

    EIN 205148355 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. Autism Society Central Ohio

    EIN 311339541 · Headquarters: WORTHINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Autism Society of America

    EIN 237148438 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Autism Society of Mahoning Valley

    EIN 475553257 · Headquarters: Canfield, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Autism Society of Ohio

    EIN 364833560 · Headquarters: WORTHINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Auto Transportation Union Local 964

    EIN 340241030 · Headquarters: VALLEY VIEW, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Automatic Fire Alarm Association

    EIN 363630660 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Automobile Dealers Educational Assistance Foundation Inc

    EIN 341057430 · Headquarters: BROADVIEW HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. Automotive Service Association of Ohio Inc

    EIN 310838556 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  59. Auxiliary Ladies

    EIN 873475536 · Headquarters: lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Auxiliary of the Bluffton Community Hospital

    EIN 237151755 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Auxiliary of the Smart-td

    EIN 311630811 · Headquarters: Lorain, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Auxiliary of the United Transportation Union

    EIN 233012273 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Auxiliary of the United Transportation Union

    EIN 237578584 · Headquarters: Navarre, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Auxiliary of the United Transportation Union

    EIN 320464135 · Headquarters: Attica, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Auxiliary to the American Postal Workers Union Ohio

    EIN 320774469 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Avanzamos Unidos

    EIN 852806205 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Aviation Safety Institute

    EIN 310834388 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Aviation Trail Inc

    EIN 311019997 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Aviator Sports Boosters Inc

    EIN 341624897 · Headquarters: ALLIANCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Avodah Ministry of Salvation Inc

    EIN 043635392 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  71. Avon Athletic Boosters Club Inc

    EIN 341481084 · Headquarters: AVON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Avon Early Childhood Pta

    EIN 753257434 · Headquarters: AVON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Avon Historical Society Inc

    EIN 346580460 · Headquarters: avon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Avon Lake Baseball Diamond Club

    EIN 861838269 · Headquarters: Avon Lake, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Avon Lake Historical Society

    EIN 346623511 · Headquarters: AVON LAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Avon Lake Kiwanis Scholarship Fund

    EIN 237275321 · Headquarters: AVON LAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  77. Avon Little League Inc

    EIN 521234670 · Headquarters: AVON, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  78. Avon Teachers Association

    EIN 341380369 · Headquarters: Amherst, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Avon Youth Lacrosse

    EIN 874247599 · Headquarters: Avon, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  80. Avondale Running Club

    EIN 311109354 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Avore

    EIN 943008825 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  82. Avrum Katz Foundation

    EIN 341471066 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Awakening Ministry Inc

    EIN 300211930 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ax Ohio Tax

    EIN 392392019 · Headquarters: Mentor, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Ayers Founders Trust

    EIN 237327660 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Ayersville Education Association

    EIN 341250106 · Headquarters: Defiance, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Ayrshire Breeders Association

    EIN 030102250 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Azaguno Inc

    EIN 562409074 · Headquarters: ATHENS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. B Burchenal Jones Tr Fbo Barely Used Pets

    EIN 616703684 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. B L & W H Heald Schshp Truw

    EIN 066087125 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. B M O P Volunteer Fire Company

    EIN 316045302 · Headquarters: Amelia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. B Walton Est--kingston Hospital Etal

    EIN 146108205 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. B-57 Bummers Association Blmf

    EIN 260029189 · Headquarters: Pataskala, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Babcock Caroline Lib Fd Tw

    EIN 346500670 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Babcock Cornelia Fbo Eliza Ta

    EIN 576203090 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. Babes of 1916

    EIN 371543399 · Headquarters: solon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Baby 1St Network

    EIN 237186229 · Headquarters: Toledo, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  98. Bac Flipstars Gymnastics Club Inc

    EIN 475193284 · Headquarters: Medina, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. Bac Local 23 North Shore Chapter Health and Welfare Fund

    EIN 340754400 · Headquarters: VALLEY VIEW, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Bachman George Ta

    EIN 346632809 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

First page and all pages