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. Sidekicks Made

    EIN 822527199 · Headquarters: Cincinnati, OH, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Sidestreams Foundation Inc

    EIN 452635688 · Headquarters: Cincinnati, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Sidewalk Soldiers

    EIN 384074788 · Headquarters: Dayton, OH, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  4. Sidney Alive Sidney Alive

    EIN 811821507 · Headquarters: SIDNEY, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Sidney Amateur Baseball Comm

    EIN 341413607 · Headquarters: Sidney, OH, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Sidney Athletic Booster Group Inc C/o Athletic Director

    EIN 260170737 · Headquarters: SIDNEY, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Sidney Big-four Passenger Station Preservation Association

    EIN 842280211 · Headquarters: Sidney, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Sidney Boat Club Inc

    EIN 341656730 · Headquarters: Sidney, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Sidney Chapt 813 Women of the Moose

    EIN 341303822 · Headquarters: SIDNEY, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. Sidney Civic Band Association

    EIN 311388519 · Headquarters: Sidney, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Sidney Co-operative Nursery School

    EIN 341055221 · Headquarters: SIDNEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  12. Sidney Dance Company

    EIN 311014364 · Headquarters: Sidney, OH, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Sidney Education Association

    EIN 237078892 · Headquarters: Sidney, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Sidney Fenn Parent Teacher Organization

    EIN 341392239 · Headquarters: Medina, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Sidney Frohman Foundation C/o Payne Nickles & Co

    EIN 346517809 · Headquarters: SANDUSKY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Sidney Lodge No 568 Loyal Order of Moose Inc

    EIN 344404812 · Headquarters: SIDNEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Sidney Post 217 American Legion Baseball

    EIN 274312621 · Headquarters: SIDNEY, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Sidney Post No 217 American Legion Inc

    EIN 344407888 · Headquarters: SIDNEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Sidney Softball Association

    EIN 465506198 · Headquarters: SIDNEY, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Sidney Vespa Quarterback Club Inc

    EIN 341963178 · Headquarters: SIDNEY, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Sidney Youth Football Inc C/o Tim Clayton

    EIN 202025443 · Headquarters: SIDNEY, OH, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  22. Sidney-shelby County Chamber of Commerce

    EIN 344406030 · Headquarters: SIDNEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Sidney-shelby County Model Train Ra Ilroad Club

    EIN 394154932 · Headquarters: Sidney, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Sidney-shelby County Workforce

    EIN 463086586 · Headquarters: SIDNEY, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Sidney-shelby Crime Stoppers Inc

    EIN 311299286 · Headquarters: Sidney, OH, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Sidney-shelby Cty Ymca Foundation

    EIN 341631890 · Headquarters: SIDNEY, OH, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Sidney-shelby Economic Partnership

    EIN 341414342 · Headquarters: SIDNEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Sids Play Learn and Grow Space Nfp

    EIN 863632201 · Headquarters: Bay Village, OH, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Siearras Mission

    EIN 853462182 · Headquarters: Westlake, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Siebert Tw Colestock Jr High Pnc Bank Na

    EIN 256040152 · Headquarters: CLEVELAND, OH, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  31. Siegel & Shuster Society

    EIN 262414105 · Headquarters: Mayfield Heights, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Siegel Rare Neuroimmune Association

    EIN 911780467 · Headquarters: Powell, OH, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Siegfried Family Foundation

    EIN 341936942 · Headquarters: AVON LAKE, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  34. Siembida & Boggs Philanthropic Foundation

    EIN 271969036 · Headquarters: LEETONIA, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Siemer Family Foundation

    EIN 311550556 · Headquarters: COLUMBUS, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Siemer Foundation

    EIN 311260542 · Headquarters: NEW ALBANY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Siemer Institute

    EIN 814859121 · Headquarters: COLUMBUS, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Siena Society

    EIN 310913811 · Headquarters: Dayton, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Sierra Lin Fauver Scholarship Fund

    EIN 020805570 · Headquarters: COLUMBUS, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Sierra's Haven For New And Used Pets

    EIN 311779083 · Headquarters: Portsmouth, OH, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Sierras Sanctuary Inc

    EIN 823543183 · Headquarters: Warren, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Siete Sur Ministries

    EIN 611636613 · Headquarters: HARTVILLE, OH, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. SIFA International Inc

    EIN 823995817 · Headquarters: Mason, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Sifco Foundation

    EIN 346531019 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. Siffrin Housing Options Inc

    EIN 262315887 · Headquarters: CANTON, OH, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Siffrin Inc

    EIN 341193822 · Headquarters: CANTON, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Sifi Ministry Dba Safe Harbor House

    EIN 274388478 · Headquarters: XENIA, OH, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Sig Fiji Alumni Association

    EIN 510189944 · Headquarters: FAIRBORN, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Sig House Company

    EIN 010816719 · Headquarters: Oakwood, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. Sight Conservation of Defiance Co Inc

    EIN 341809834 · Headquarters: Defiance, OH, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Sight for All United Inc

    EIN 811468439 · Headquarters: STRUTHERS, OH, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Sight for Life

    EIN 383872939 · Headquarters: CINCINNATI, OH, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Sight for Sore Eyes Corporation

    EIN 651306838 · Headquarters: Beachwood, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Sigm Chi Fraternity

    EIN 340529720 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Sigma Alpha Epsilon

    EIN 340728828 · Headquarters: CONCORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Sigma Alpha Epsilon Chapt House Assoc of Miami Univ

    EIN 310444767 · Headquarters: Cincinnati, OH, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990

  57. Sigma Alpha Epsilon Fraternity

    EIN 262202177 · Headquarters: Akron, OH, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Sigma Alpha Epsilon Fraternity

    EIN 314307186 · Headquarters: Delaware, OH, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  59. Sigma Alpha Epsilon Fraternity

    EIN 316050654 · Headquarters: columbus, OH, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. Sigma Alpha Epsilon Fraternity

    EIN 340984205 · Headquarters: Copley, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Sigma Alpha Epsilon Fraternity

    EIN 461485200 · Headquarters: Worthington, OH, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. Sigma Alpha Epsilon Fraternity

    EIN 463791915 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Sigma Alpha Epsilon Fraternity

    EIN 474461543 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Sigma Alpha Epsilon Fraternity

    EIN 821501353 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Sigma Alpha Epsilon Fraternity Ohio Epsilon

    EIN 310396490 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Sigma Alpha Epsilon Pi

    EIN 814397203 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Sigma Alpha Mu Fraternity

    EIN 346598255 · Headquarters: Cleveland, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  68. Sigma Alpha Mu Fraternity

    EIN 861566872 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Sigma Alpha Mu Fraternity Mu Psi Chapter

    EIN 310624813 · Headquarters: Oxford, OH, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Sigma Alumni Foundation Inc

    EIN 331355340 · Headquarters: Columbus, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. Sigma Alumni Society Inc

    EIN 933011050 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Sigma Beta Club 216 Foundation

    EIN 393638267 · Headquarters: Maple Heights, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sigma Beta Housing Corporation

    EIN 853656591 · Headquarters: BEXLEY, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Sigma Beta Sorority Inc

    EIN 356065180 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Sigma Chi - Ohio University

    EIN 473011091 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. Sigma Chi Building Company

    EIN 310537567 · Headquarters: HAMILTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Sigma Chi Fra-zeta Psi

    EIN 316077296 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Sigma Chi Fraternity

    EIN 310987703 · Headquarters: Cincinnati, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  79. Sigma Chi Fraternity

    EIN 311188098 · Headquarters: Dayton, OH, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Sigma Chi Fraternity

    EIN 314307189 · Headquarters: Columbus, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Sigma Chi Fraternity

    EIN 314307190 · Headquarters: Delaware, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  82. Sigma Chi Fraternity

    EIN 314380140 · Headquarters: Granville, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  83. Sigma Chi Fraternity

    EIN 346402079 · Headquarters: KENT, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  84. Sigma Chi Fraternity

    EIN 821096677 · Headquarters: Oxford, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Sigma Chi Fraternity Eta Chi Chapter

    EIN 341234160 · Headquarters: Youngstown, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Sigma Chi House Corporation Inc Zeta Lambda

    EIN 340970155 · Headquarters: WESTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Sigma Community Reinvestment & Empowerment Foundation Inc

    EIN 562539624 · Headquarters: Columbus, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Sigma Delta Phi Fraternity

    EIN 316063439 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  89. Sigma Delta Phi of Otterbein College

    EIN 264201553 · Headquarters: Westerville, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Sigma Delta Tau

    EIN 815249601 · Headquarters: Kent, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Sigma Gamma Epsilon

    EIN 311446469 · Headquarters: Columbus, OH, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  92. Sigma Gamma Epsilon

    EIN 371488499 · Headquarters: New Concord, OH, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  93. Sigma Gamma Epsilon

    EIN 742797570 · Headquarters: Athens, OH, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  94. Sigma Gamma Epsilon

    EIN 742797592 · Headquarters: Delaware, OH, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  95. Sigma Gamma Epsilon Delta Epsilon Chapter

    EIN 510206295 · Headquarters: DAYTON, OH, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  96. Sigma Gamma Rho Sorority

    EIN 311333118 · Headquarters: BRATENAHL, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Sigma Gamma Rho Sorority

    EIN 900785554 · Headquarters: ATHENS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sigma Gamma Rho Sorority Inc

    EIN 113810295 · Headquarters: WILBERFORCE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Sigma Gamma Rho Sorority Inc

    EIN 142011102 · Headquarters: WORTHINGTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Sigma Gamma Rho Sorority Inc

    EIN 201735751 · Headquarters: SAINT BERNARD, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages