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. National Society of the Sons of the American Revolution

    EIN 820959145 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Society of the Sons of the American Revolution

    EIN 874392738 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. National Society of the Sons of the American Revolution

    EIN 883673781 · Headquarters: Andover, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. National Society of the Sons of the American Revolution

    EIN 912095979 · Headquarters: MARTINS FERRY, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Society of Tole & Decorative Painters

    EIN 341701420 · Headquarters: North Ridgeville, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. National Society to Prevent BlindnessOhio Affiliate

    EIN 316063433 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. National Society United States Daughters of 1812

    EIN 311140917 · Headquarters: Loveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. National Society United States Daughters of 1812

    EIN 311410310 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. National Society United States Daughters of 1812

    EIN 311653299 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  10. National Society United States Daughters of 1812

    EIN 320653294 · Headquarters: Lindsey, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Society United States Daughters of 1812

    EIN 341192887 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. National Society United States Daughters of 1812

    EIN 341445117 · Headquarters: Norton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. National Society United States Daughters of 1812

    EIN 341772910 · Headquarters: Middleburg Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. National Society United States Daughters of 1812

    EIN 341773424 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. National Society United States Daughters of 1812

    EIN 341774827 · Headquarters: Hanoverton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. National Society United States Daughters of 1812

    EIN 341896164 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. National Society United States Daughters of 1812

    EIN 463454054 · Headquarters: Portsmouth, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Society United States Daughters of 1812

    EIN 473342675 · Headquarters: Wakeman, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Society United States Daughters of 1812

    EIN 473814752 · Headquarters: Boardman, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Society United States Daughters of 1812

    EIN 474086414 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. National Society United States Daughters of 1812

    EIN 475183070 · Headquarters: South Charleston, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. National Society United States Daughters of 1812

    EIN 742785301 · Headquarters: North Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Sorority of Phi Delta Kappa Inc

    EIN 311390229 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. National Sorority of Phi Delta Kappa Inc

    EIN 510189539 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Sorority of Phi Delta Kappa Inc

    EIN 510189563 · Headquarters: Twinsburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Sorority of Phi Delta Kappa Inc

    EIN 510189564 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. National Sorority of Phi Delta Kappa Inc

    EIN 510189578 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. National Sorority of Phi Delta Kappa Inc

    EIN 510194886 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  29. National Sorority of Phi Delta Kappa Inc

    EIN 942555730 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. National Space Society

    EIN 942925498 · Headquarters: Parma, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. National Speakers Association Ohio Nsa

    EIN 742510969 · Headquarters: HILLIARD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. National Staff Organization

    EIN 510150675 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. National Sunroom Association

    EIN 364168056 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  34. National Technical Association

    EIN 521699945 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. National Tooling & Machining Association

    EIN 340646162 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. National Trail Alumni Association

    EIN 320307798 · Headquarters: NEW PARIS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. National Treasury Employees Union

    EIN 237384013 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. National Treasury Employees Union

    EIN 316050049 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. National Treasury Employees Union

    EIN 316050629 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Treasury Employees Union

    EIN 346555559 · Headquarters: Middleburg Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Treasury Employees Union

    EIN 346556090 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. National Treasury Employees Union

    EIN 346581405 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. National Treasury Employees Union

    EIN 510646898 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. National Treasury Employees Union

    EIN 911963003 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. National Trial Education Association - Ntea

    EIN 310975306 · Headquarters: GERMANTOWN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. National Utility Contractors Association of Ohio Inc

    EIN 264212795 · Headquarters: RICHFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Nationwide Activities Association

    EIN 316037785 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Nationwide Children's Hospital

    EIN 010782751 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Nationwide Foundation

    EIN 316022301 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. Nationwide Ins Co & Aff EE HealthCare Trust

    EIN 311432329 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Natl Assoc of Letter Carriers 118

    EIN 346547167 · Headquarters: Mansfield, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Natl Assoc of Ltr Carriers 3688

    EIN 346597156 · Headquarters: WILLOWICK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Natl Society Women Descendants of the Ancient & Honorable Artillery

    EIN 526063797 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Natural Communication Inc

    EIN 341531930 · Headquarters: Malvern, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  55. Natural Gas Claims and Litigation Association

    EIN 522084029 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Natural Stone Institute

    EIN 382817639 · Headquarters: OBERLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Nature Lovers Garden Club

    EIN 262258178 · Headquarters: Howard, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Navarre Bethlehem Twp Historical Society Inc

    EIN 237432158 · Headquarters: NAVARRE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Navarre Farm & Game Assoc

    EIN 341438205 · Headquarters: Navarre, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  60. Navarre Village Mobil Home Assoc

    EIN 341845467 · Headquarters: Navarre, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Navistar Inc Retiree Supplemental Benefit Trust

    EIN 341778431 · Headquarters: RICHMOND HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Navy Club of Uss Ohio Ship 726

    EIN 050524607 · Headquarters: ohio city, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Navy League of the United States Cleveland Council

    EIN 341529360 · Headquarters: Rocky River, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  64. Navy League of the United States Columbus Ohio Council

    EIN 310902227 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Navy Petty Officer Club

    EIN 311042467 · Headquarters: CHILLICOTHE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Navy Seabee Veterans of America

    EIN 311336149 · Headquarters: Groveport, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Navy Seabee Veterans of America

    EIN 316067757 · Headquarters: Oxford, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Navy Seabee Veterans of America

    EIN 341846500 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Navy Seabee Veterans of America

    EIN 346581420 · Headquarters: Newton Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Navy Seabee Veterans of America

    EIN 346582215 · Headquarters: Defiance, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Navy Seabee Veterans of America

    EIN 510208043 · Headquarters: Fairview Park, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Navy Seabee Veterans of America

    EIN 911906563 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Nazarathpet Vshare Welfare Association

    EIN 320221769 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. Nazca Restoration Inc

    EIN 473397342 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  75. Nazir Cladron 27

    EIN 346527644 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Nbc-USA Housing Association I Inc Riddlehaven-upper Sandusky

    EIN 311189601 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Nch Citizens Police Academy Alumni Association

    EIN 020576592 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  78. Ncr at Home Health and Wellness

    EIN 203265134 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Ncr Bradenton Holdings Inc

    EIN 844203668 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Ncr of Castleton Housing Development Fund Co Inc

    EIN 311254889 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Ncr of Clifton Park Housing Development Fund Co Inc

    EIN 311377281 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Ncr of Greenport Housing Development Fund Company Inc

    EIN 311046789 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Ncr of Lyons Housing Development Fund Company Inc

    EIN 311070763 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Ncr of Niagara Falls Housing Development Fund Company Inc

    EIN 311432146 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Ncr of Queensbury Housing Development Fund Company Inc

    EIN 311288295 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Ncr of Sidney Housing Development Fund Company Inc

    EIN 311046835 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Ncr of Solvay Housing Development Fund Company Inc

    EIN 311248887 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Ncr of Victor Housing Development Fund Company Inc

    EIN 311132676 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Ncr of Warsaw Housing Development Fund Company

    EIN 311046832 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Ncr of Webster Housing Development Fund Company Inc

    EIN 311248886 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Ncr of Wheatfield Housing Development Fund Company Inc

    EIN 310941461 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Ncr of Whitehall Housing Development Fund Co Inc

    EIN 311248885 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Ncr Permanent Supportive Housing Service

    EIN 452399965 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. NCR Retired Employees Assoc Inc

    EIN 311462146 · Headquarters: Germantown, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  95. Neal Cemetery Association Incorporated

    EIN 452820546 · Headquarters: Mt Orab, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Neal J Katila Scholarship Fund

    EIN 311224618 · Headquarters: PAINESVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Neal Post 743 American Legion

    EIN 346558884 · Headquarters: NORTH KINGSVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Near West Community Land Trust Inc

    EIN 851857031 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Needmor Co the Northern Trust Company

    EIN 346504812 · Headquarters: PERRYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. Needmor Fund for Social Justice

    EIN 921083786 · Headquarters: PERRYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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