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. International Union United Auto Aerospace & Agricultural Workers

    EIN 346564634 · Headquarters: KENT, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. International Union United Auto Aerospace & Agricultural Workers

    EIN 350776833 · Headquarters: Maumee, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. International Union United Auto Aerospace & Agricultural Workers

    EIN 383431108 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. International Union United Auto Aerospace & Agriculture Workers

    EIN 346598272 · Headquarters: Kenton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. International Union Unites Auto Aer Ospace & Agricultural Workers of A

    EIN 911821255 · Headquarters: Brook Park, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Washboard Festival

    EIN 311363638 · Headquarters: LOGAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. International Window Cleaning Association

    EIN 363642488 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. International Womens Insoluency & Reorganization Confederation

    EIN 912088351 · Headquarters: AKRON, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. International Youth and Environmental Development Group

    EIN 990464739 · Headquarters: Lima, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Internatonal Society of Automation

    EIN 237107615 · Headquarters: Perrysburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Interstate Technical Group on Abandoned Underground Mines

    EIN 371562073 · Headquarters: GAHANNA, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  12. Intl Assn of Firefighters Local 136

    EIN 310242575 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Intl Assoc of Fire Fighters Lo336

    EIN 316050812 · Headquarters: MIDDLETOWN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Intl Brotherhood - Boilermakers #900

    EIN 340079905 · Headquarters: BARBERTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Intl Brotherhood of Electrical Workers Local 540

    EIN 340225473 · Headquarters: Massillon, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Intl Brotherhood of Teamsters 24 Tc

    EIN 340584858 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Intl Brotherhood of Teamsters Local 1199

    EIN 310224050 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Intl Brotherhood of Teamsters Local Union 507

    EIN 341002900 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Intl Brotherhood Teamsters Local 92

    EIN 340308397 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Intl Union of Labor Organization Employees

    EIN 902371683 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Inverness Club

    EIN 344269760 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Investment Property Owners Association of Butler County

    EIN 311306356 · Headquarters: HAMILTON, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Investment Trust Fund of Pipefitters Local No 392

    EIN 237166422 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Iok Events Llc

    EIN 455169586 · Headquarters: MIAMITOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  25. Iomc Y-town

    EIN 841991465 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Iot Sandbox Corp

    EIN 332246293 · Headquarters: Stow, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Iota Mu Alumni Chapter Association

    EIN 863540061 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  28. Iota Psi the National Honor Society in Psychology

    EIN 341847230 · Headquarters: Pepper Pike, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Iota Sigma Pi

    EIN 316051112 · Headquarters: Blue Ash, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Iota Sigma Pi

    EIN 412121671 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. IPM Food Pantry

    EIN 237451134 · Headquarters: Cincinnati, Ohio, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Ira E Hamman Scholarship Fund Trust

    EIN 346789013 · Headquarters: PAULDING, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  33. Iranian Cultural Association

    EIN 472343033 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Ireadindies International Inc

    EIN 933521529 · Headquarters: Bladensburg, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. Iris Inc

    EIN 800103993 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  36. Iron Horsemen Mc Hamilton Inc

    EIN 461541322 · Headquarters: hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  37. Iron Phi Foundation

    EIN 921479885 · Headquarters: OXFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Iron Workers Apprenticeship Fund

    EIN 346556883 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Iron Workers Labor Management Cooperation Committee Inc

    EIN 341748244 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Iron Workers Local Union 172 Jatc

    EIN 310673761 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Ironbandogs of Toledo

    EIN 822852670 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Irondale Church of the Nazarene

    EIN 341380142 · Headquarters: Irondale, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  43. Ironton and Lawrence County Area Community Action Organization

    EIN 310714190 · Headquarters: IRONTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Ironton Council for the Arts

    EIN 310985861 · Headquarters: Ironton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Ironton Garden Club

    EIN 300506921 · Headquarters: Ironton, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  46. Ironton Lodge 701 Loyal Order of Moose

    EIN 314216028 · Headquarters: IRONTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Ironton Women of the Moose

    EIN 311022736 · Headquarters: IRONTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Ironworkers District Council of Southern Ohio and Vicinity Benefit Trust

    EIN 310557391 · Headquarters: VANDALIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Ironworkers Joint Appenticeship Trust Fund 550

    EIN 341085729 · Headquarters: Canton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Irr Tr Ua Clara M Huenefeld

    EIN 316391898 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Irving I Stone Support Foundation

    EIN 341476465 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Isabel F Van Horn Scholarship Tuw

    EIN 316464732 · Headquarters: NEWARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Isabelle S Firestone Charitable Trust

    EIN 886464910 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. Isaiah Ministries

    EIN 881615325 · Headquarters: Troy, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Ish Festival C/o Marie Krulewitch

    EIN 832433747 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Islesia Evangelica Oasis De Salvacion Inc

    EIN 237370017 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  57. Ism-akron Inc

    EIN 237362293 · Headquarters: AURORA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Ism-central Ohio Inc

    EIN 316049590 · Headquarters: Lewis Center, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  59. Ism-cleveland Inc

    EIN 340474167 · Headquarters: Independence, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ism-northwest Ohio

    EIN 510158292 · Headquarters: Maumee, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Israeli Childrens Simcha Inc

    EIN 341597391 · Headquarters: UNIVERSITY HEIGHTS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Isseke Cultural Association USA

    EIN 412582322 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Italian American Club of Salem O

    EIN 340491818 · Headquarters: SALEM, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Italian American Professional Businessmens Club

    EIN 341409428 · Headquarters: Akron, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Italian American Society

    EIN 340159208 · Headquarters: Kent, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  66. Italian American War Veterans

    EIN 346580108 · Headquarters: LORAIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Italian American War Veterans #30

    EIN 341431896 · Headquarters: WARREN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Italian American War Veterans of the Us Inc

    EIN 341469277 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Italian American War Veterans of the US Inc

    EIN 911989081 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Italian American War Veterans Post

    EIN 911989077 · Headquarters: WARREN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Italian Scholarship League Inc

    EIN 341411283 · Headquarters: POLAND, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. Italian Village 4Th & Summit

    EIN 871135987 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  73. Itam Post 39

    EIN 882167798 · Headquarters: NILES, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Iue Cwa Local 755

    EIN 310440532 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. IUOE Local 18

    EIN 340200322 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Izaak Walton Leage of America Inc

    EIN 800355428 · Headquarters: Okeana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Izaak Walton League of America Inc

    EIN 237040660 · Headquarters: Seville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Izaak Walton League of America Inc

    EIN 262336112 · Headquarters: Norwalk, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Izaak Walton League of America Inc

    EIN 263416710 · Headquarters: North Royalton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Izaak Walton League of America Inc

    EIN 300200079 · Headquarters: Logan, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Izaak Walton League of America Inc

    EIN 310919436 · Headquarters: Ashley, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Izaak Walton League of America Inc

    EIN 310971366 · Headquarters: Hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Izaak Walton League of America Inc

    EIN 311087106 · Headquarters: Hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Izaak Walton League of America Inc

    EIN 311151554 · Headquarters: HAMILTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Izaak Walton League of America Inc

    EIN 341392164 · Headquarters: Medina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Izaak Walton League of America Inc

    EIN 341492035 · Headquarters: monroeville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Izaak Walton League of America Inc

    EIN 345640476 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Izaak Walton League of America Inc

    EIN 346538214 · Headquarters: Kent, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Izaak Walton League of America Inc

    EIN 412039208 · Headquarters: Willoughby, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Izaak Walton League of America Inc

    EIN 521382414 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Izaak Walton League of America Inc

    EIN 521384808 · Headquarters: Pedro, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. J Allen Mcclain Trust

    EIN 316060712 · Headquarters: XENIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. J B Firestone Charitable Test Tr

    EIN 346577308 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. J Brannon Hull Scholarship Fund Inc

    EIN 311090015 · Headquarters: CROOKSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. J C R C Janis Center Railroad Club

    EIN 311257926 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. J Cromer Mashburn Family Foundation

    EIN 316041836 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. J D Smith Memorial Post No 10 American Legion Incorporated

    EIN 320299315 · Headquarters: EDGERTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. J E R S Foundation

    EIN 993141947 · Headquarters: Columbia Station, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. J Elbert Terpening Estate

    EIN 146051497 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. J F K Senior Citizens

    EIN 341369387 · Headquarters: Eastlake, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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