Nonprofits in Ohio

Nonprofits in Ohio. Browse 89,326 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 Museum of Education in Partnership for Americas Future Inc

    EIN 341673581 · Headquarters: STOW, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. National Nanotechnology Collaoration Innovation Network

    EIN 300637646 · Headquarters: Tipp City, OH, US · Science & Technology · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  3. National Neutropenia Network Inc

    EIN 383207136 · Headquarters: CINCINNATI, OH, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. National Online Trainers

    EIN 883739370 · Headquarters: Medina, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. National Open Commerce and Safer Highway Coalition

    EIN 991388967 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. National Order of Trench Rats Cincinnati Dugout 634

    EIN 364825509 · Headquarters: Fairfield, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. National Org of Vascular Anomalies

    EIN 562054522 · Headquarters: Terrace Park, OH, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Organization for Women Inc

    EIN 311437626 · Headquarters: Athens, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  9. National Organization for Women Inc

    EIN 341829070 · Headquarters: Oberlin, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. National Organization for Women Inc

    EIN 521240681 · Headquarters: Worthington, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. National Organization for Women Inc

    EIN 521240688 · Headquarters: Jefferson, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  12. National Organization for Women Inc

    EIN 521240690 · Headquarters: Canton, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. National Organization for Women Inc

    EIN 521309677 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  14. National Organization for Women Inc

    EIN 521309682 · Headquarters: Westerville, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  15. National Organization for Women Inc

    EIN 521627687 · Headquarters: Toledo, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  16. National Organization of Accredited Healthshares

    EIN 842428764 · Headquarters: Uniontown, OH, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  17. National Organization of Black Law Enforcement Executives

    EIN 831989908 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. National Organization of Black Law Enforcement Executives Noble

    EIN 911823721 · Headquarters: CLEVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Organization of Mothers of Twins Clubs Inc

    EIN 311215192 · Headquarters: CINCINNATI, OH, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. National Pan Hellenic Council of Greater Cleveland

    EIN 822230675 · Headquarters: Glenwillow, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. National Pan-hellenic Council of Columbus

    EIN 264223763 · Headquarters: COLUMBUS, OH, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  22. National Pathfinder Youth Organization Inc

    EIN 800898321 · Headquarters: Jackson, OH, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. National Peace Academy

    EIN 272285227 · Headquarters: South Euclid, OH, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. National Precinct Alliance

    EIN 272324971 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  25. National Quarter Pony Association

    EIN 310955286 · Headquarters: Melrose, OH, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Railroad Contractors Assoc

    EIN 521041961 · Headquarters: CENTERBURG, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National Railway Historical Society Inc Conneaut Chapter

    EIN 237023415 · Headquarters: CONNEAUT, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. National Registry of Emergency Medical Technicians

    EIN 310806232 · Headquarters: COLUMBUS, OH, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. National Religious Music Week Alliance

    EIN 200061658 · Headquarters: Hamilton, OH, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  30. National Reyes Syndrome Foundation Inc

    EIN 510155006 · Headquarters: BRYAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. National Right to Read Foundation International

    EIN 421602844 · Headquarters: West Chester, OH, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. National Rites of Passage Institute Inc

    EIN 311538430 · Headquarters: CLEVELAND, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. National Rural Letter Carriers Assocation

    EIN 311763629 · Headquarters: Rushville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. National Rural Letter Carriers Association

    EIN 237235261 · Headquarters: Graysville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. National Rural Letter Carriers Association

    EIN 237235274 · Headquarters: MORRAL, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. National Rural Letter Carriers Association

    EIN 237235332 · Headquarters: ST MARYS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. National Rural Letter Carriers Association

    EIN 237235333 · Headquarters: WAUSEON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. National Rural Letter Carriers Association

    EIN 237235335 · Headquarters: HILLSBORO, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. National Rural Letter Carriers Association

    EIN 311078628 · Headquarters: LOVELAND, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Rural Letter Carriers Association

    EIN 311763736 · Headquarters: IRONTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Rural Letter Carriers Association

    EIN 341338210 · Headquarters: FINDLAY, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. National Rural Letter Carriers Association

    EIN 341951408 · Headquarters: Lynhurst, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Rural Letter Carriers Association

    EIN 341952256 · Headquarters: MINERAL CITY, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. National Rural Letter Carriers Association

    EIN 341952861 · Headquarters: Newcomerstown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. National Rural Letter Carriers Association

    EIN 522366826 · Headquarters: GRAFTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. National Rural Letter Carriers Association

    EIN 943434149 · Headquarters: MECHANICSBURG, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. National Safety Council Central Oh

    EIN 311504726 · Headquarters: COLUMBUS, OH, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  48. National Safety Council Ohio Chapter

    EIN 340730155 · Headquarters: Youngstown, OH, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. National Sales & Marketing Executives Inc

    EIN 352539109 · Headquarters: CANTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. National Sales Network Ohio

    EIN 843264994 · Headquarters: Columbus, OH, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. NATIONAL SCENIC BYWAY FOUNDATION National Scenic Byway Association

    EIN 200885499 · Headquarters: Millersburg, OH, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. National School Art Collective

    EIN 474673174 · Headquarters: Lebanon, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National School Boards Leadership Council

    EIN 874543357 · Headquarters: CLARKSVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. National School Boards Leadership Council Ed

    EIN 882120816 · Headquarters: CLARKSVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. National Security Decision-making Game

    EIN 862984060 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. National Show Horse Registry Inc

    EIN 611011886 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. National Sjogrens Syndrome Association

    EIN 860654325 · Headquarters: Beachwood, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  58. National Skal Committee of the United States of America

    EIN 237165771 · Headquarters: Columbus, OH, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  59. National Skilled Trades Network

    EIN 272200773 · Headquarters: COLUMBUS, OH, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. National Slovak Society of the USA

    EIN 237212278 · Headquarters: Mingo Junction, OH, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. National Slovak Society of the USA

    EIN 237212283 · Headquarters: Youngstown, OH, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  62. National Slovak Society of the USA

    EIN 237501127 · Headquarters: Moxahala, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. National Slovak Society of the USA

    EIN 237501132 · Headquarters: Parm, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. National Slovak Society of the USA

    EIN 237501137 · Headquarters: Brooklyn, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. National Slovak Society of the USA

    EIN 237501142 · Headquarters: Lorain, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. National Slovak Society of the USA

    EIN 237501148 · Headquarters: Fairview Park, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. National Slovak Society of the USA

    EIN 237501161 · Headquarters: Lowellville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. National Slovak Society of the USA

    EIN 770666580 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. National Slovak Society of the USA

    EIN 900247570 · Headquarters: Lowellville, OH, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  70. National Society Colonial Dames Xvii Century

    EIN 237163204 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. National Society Colonial Dames Xvii Century

    EIN 237164796 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Society Colonial Dames Xvii Century

    EIN 237171426 · Headquarters: Canton, OH, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  73. National Society Colonial Dames Xvii Century

    EIN 300705463 · Headquarters: Wapakoneta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. National Society Colonial Dames Xvii Century

    EIN 310992895 · Headquarters: OxFord, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Society Colonial Dames Xvii Century

    EIN 311050711 · Headquarters: Canton, OH, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  76. National Society Colonial Dames Xvii Century

    EIN 316083409 · Headquarters: London, OH, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  77. National Society Colonial Dames Xvii Century

    EIN 316083411 · Headquarters: POWELL, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. National Society Colonial Dames Xvii Century

    EIN 341292282 · Headquarters: Streetsboro, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. National Society Colonial Dames Xvii Century

    EIN 341299771 · Headquarters: Shaker Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. National Society Colonial Dames Xvii Century

    EIN 341309924 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. National Society Colonial Dames Xvii Century

    EIN 341310151 · Headquarters: Eastlake, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. National Society Colonial Dames Xvii Century

    EIN 341334246 · Headquarters: Salem, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. National Society Colonial Dames Xvii Century

    EIN 346608192 · Headquarters: London, OH, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  84. National Society Colonial Dames Xvii Century

    EIN 352467383 · Headquarters: Huron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. National Society Colonial Dames Xvii Century

    EIN 454951516 · Headquarters: Morrow, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. National Society Colonial Dames Xvii Century

    EIN 521357512 · Headquarters: Hanoverton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. National Society Colonial Dames Xvii Century

    EIN 556039225 · Headquarters: Wapakoneta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. National Society Coloniel Dames Xvii Century

    EIN 237097819 · Headquarters: London, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  89. National Society Dames of the Court of Honor

    EIN 237144577 · Headquarters: Cleveland, OH, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. National Society Daughters of the British Empire in the United State

    EIN 341347166 · Headquarters: Toledo, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Society Daughters of the Union 1861-1865 Inc

    EIN 311418803 · Headquarters: Milford, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. National Society of Accountants for Cooperatives

    EIN 566045918 · Headquarters: MIAMISBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. National Society of Accountants for Cooperatives

    EIN 911950863 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. National Society of Black Engineers

    EIN 134223474 · Headquarters: Cleveland, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  95. National Society of Black Engineers

    EIN 204143112 · Headquarters: Gahanna, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  96. National Society of Black Engineers -Cincinnati Alumni Extension

    EIN 311445043 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  97. National Society of Black Physician Assistants Inc

    EIN 842842702 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. National Society of Black Sports Professionals Inc

    EIN 462476593 · Headquarters: New Albany, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. National Society of Colonial Dames of America in the State of Ohio

    EIN 310566150 · Headquarters: CINCINNATI, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. National Society of Daughters of American Revolution

    EIN 316049782 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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