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. Indian Hill Schools Booster Association

    EIN 316051089 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Indian Isles Christmas Lights Community Association

    EIN 341725762 · Headquarters: Russells Point, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Indian Lake Ace

    EIN 943463451 · Headquarters: Bellefontiane, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Indian Lake Chamber of Commerce Inc

    EIN 344469508 · Headquarters: RUSSELLS POINT, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Indian Lake Chapter 452 Women of the Moose

    EIN 341372816 · Headquarters: LAKEVIEW, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Indian Lake Education Association

    EIN 341718229 · Headquarters: Bellefontaine, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Indian Lake Lodge No 1533 Loyal Order of Moose

    EIN 341337838 · Headquarters: LAKEVIEW, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Indian Lake Yacht Club Inc

    EIN 346556065 · Headquarters: RUSSELLS POINT, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Indian Springs Homeowners Association

    EIN 311250893 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Indian Valley Teachers Association

    EIN 237089335 · Headquarters: Gnadenhutten, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Indiv App Ohio

    EIN 821532516 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Indo-american Vollyball Association

    EIN 711024877 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Indoor Tennis Club

    EIN 310712294 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Industrial Diamond Association of America Inc

    EIN 221582276 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  15. Industrial Fasteners Institute

    EIN 340065420 · Headquarters: INDEPENDENCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Industrious Education Fund

    EIN 992396851 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Indy-hio Gymact Corporation

    EIN 933958107 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Ineos Nationwide Council

    EIN 472162341 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Infinite Possibilitz

    EIN 852796585 · Headquarters: South Euclid, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Infinity Trust

    EIN 341712605 · Headquarters: NORWALK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  21. Information Systems Audit and Control Association

    EIN 942579763 · Headquarters: Berea, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Information Systems Audit and Controls Association

    EIN 205770701 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Information Systems Security Association

    EIN 202064861 · Headquarters: Fairborn, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. Information Systems Security Association

    EIN 363888500 · Headquarters: Mentor, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Information Technology Student Association

    EIN 473676768 · Headquarters: youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. Infusion Nurses Society Inc

    EIN 311367281 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Inland Northwest Airstream Club

    EIN 320618333 · Headquarters: Jackson Center, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Inn at Broad Inc

    EIN 200604735 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  29. Innerwest Community Development Corporation

    EIN 341610700 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Inniswood Volunteers Inc

    EIN 311106851 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Innovation Franklinton

    EIN 394850525 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Innovation Ohio

    EIN 274562062 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Innovative Cpr Solutions

    EIN 990480847 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Inquiry-based Learning School Co

    EIN 992271097 · Headquarters: Cuyahoga Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Inri Chapel No 17 St Thomas of Acon USA

    EIN 844220755 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Inscape Center for Personal Vocation

    EIN 843142070 · Headquarters: STEUBENVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Inside Out Beauty Project Inc

    EIN 332545907 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Inspiring Life

    EIN 832999881 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Inspiring Purpose Day Program

    EIN 850961351 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Institue of Internal Auditors

    EIN 310897665 · Headquarters: Beavercreek, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. Institute for Human Rights and Responsibilities

    EIN 310993769 · Headquarters: GALENA, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Institute for Secular Wisdom Inc

    EIN 455062843 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Institute for Supply Management-miami Valley Inc

    EIN 316023383 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  44. Institute for the Study of Performance and Spirituality Inc

    EIN 208832326 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  45. Institute for the Works of Social Welfare

    EIN 811661637 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  46. Institute of Classical Architecture and Art Inc

    EIN 263187495 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Institute of Industrial & Systems Engineers at Oh State Chapter 885

    EIN 310884450 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Institute of Industrial Engineers I Nc

    EIN 316048727 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Institute of Industrial Engineers Inc

    EIN 510151293 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. Institute of Internal Auditors

    EIN 237405457 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Institute of Internal Auditors

    EIN 237405458 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Institute of Management Accountants Inc

    EIN 237353282 · Headquarters: SYLVANIA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Institute of Management Accountants Inc

    EIN 237353303 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. Institute of Management Accountants Inc

    EIN 237353308 · Headquarters: LAKEWOOD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Institute of Management Accountants Inc

    EIN 237353309 · Headquarters: BROADVIEW HTS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Institute of Management Accountants Inc

    EIN 237353320 · Headquarters: ELIDA, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  57. Institute of Management Accountants Inc

    EIN 237354289 · Headquarters: WESTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Institute of Management Accountants Inc

    EIN 237354298 · Headquarters: TROY, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Institute of Management Accountants Inc

    EIN 237365944 · Headquarters: ARCANUM, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Institute of Management Accountants Inc

    EIN 341221410 · Headquarters: RICHFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Institute of Real Estate Management

    EIN 510204223 · Headquarters: Dublin, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Insulated Cable Engineers Association Inc

    EIN 221433100 · Headquarters: MIAMITOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Insulators Joint Apprenticeship and Training Committee Trust Fund

    EIN 341666877 · Headquarters: BROOKLYN HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Int Assoc of Firefighters

    EIN 316056410 · Headquarters: Hamilton, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Int'l Assn of Bridge Structural & Ornimental Ironworkers Local 207

    EIN 340561048 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Int'l Assoc of Bridge Structural & Ornamental Iron Workers Local 55

    EIN 344269617 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Int'l Assoc of Iron Workers Local 290

    EIN 310224193 · Headquarters: TIPP CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Int'l Association of Fire Fighters Local

    EIN 237038743 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Int'l Brotherhood of Boilermakers Local 85

    EIN 344269642 · Headquarters: ROSSFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Int'l Brthrhd of Blrmkrs Lodge 357

    EIN 316050122 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Int'l Union of Bricklayers & Allied

    EIN 341159688 · Headquarters: FREMONT, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  72. Int'l Union of Bricklayers Local 6

    EIN 340113199 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  73. Int'l Union of Painters Decorators and Paperhangers Local 7

    EIN 344323870 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Integrative Learning Center of Mid- America

    EIN 311811440 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Inter-city Yacht Club

    EIN 341552208 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990

  76. Interact for Health

    EIN 310932681 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Intercommunity Cable Regulatory Commission of Southwest Ohio

    EIN 311005731 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. Interdenominational Church Ushers Association of Columbus Inc

    EIN 311034074 · Headquarters: columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Interested Citizens Advocating a Residential Environment

    EIN 800518525 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Intergrated Greek Council

    EIN 811237797 · Headquarters: Kent, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Interlink Ministries Inc

    EIN 341700949 · Headquarters: APPLE CREEK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. International Agape Missions Inc

    EIN 262780438 · Headquarters: Lowell, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  83. International Alliance of Theatrica Stage Empl Loc 66 Health & Ins Fnd

    EIN 311104492 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. International Alliance of Theatrical 27 Iatse

    EIN 340308265 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. International Alliance of Theatrical Stage Employees &Moving Pict Local 864

    EIN 316077238 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. International Alliance of Theatrical Stage Employees Local 66

    EIN 310329923 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. International Alliance Theatric Stage Employees

    EIN 316077231 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. International Alliance Theatrical 101 Iatse

    EIN 346595447 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. International Alliance Theatrical Stage Employees

    EIN 341457049 · Headquarters: SYLVANIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 237075631 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 256086848 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. International Alliance Theatrical Stage Employees & Moving Picture

    EIN 340415020 · Headquarters: MENTOR, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. International Alliance Theatrical Stage Employees & Moving Picture M

    EIN 316077235 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. International Alliance Theatrical Stage Employees & Moving Picture M

    EIN 346595448 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. International Alliance Theatrical Stage Employees Local 48

    EIN 340680394 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. International Amphicar Owners Club

    EIN 260198223 · Headquarters: Lakeview, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. International Assn Firefighters 329

    EIN 510226650 · Headquarters: Barberton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. International Assn of Firefighters

    EIN 912058750 · Headquarters: Mason, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. International Assn of Firefighters #109

    EIN 316049471 · Headquarters: NEWARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. International Assn of Firefighters Local 291

    EIN 316050010 · Headquarters: LANCASTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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