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. Ohio Valley Business and Professional Women

    EIN 472766371 · Headquarters: Steubenville, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Ohio Valley Business Association I

    EIN 351592982 · Headquarters: DUBLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Ohio Valley Chapter American Theatre Organ Society

    EIN 316079454 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Ohio Valley Chapter of Ohio Association of School Business Off

    EIN 831442519 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Ohio Valley Chapter of the Community Association Institute

    EIN 311443309 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. Ohio Valley Chapter of the North American Rock Garden Society Inc

    EIN 800591639 · Headquarters: Franklin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Ohio Valley Christian Youth Camp Inc

    EIN 921301371 · Headquarters: LITTLE HOCKNG, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Ohio Valley Construction Education Foundation

    EIN 311366629 · Headquarters: SPRINGBORO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Ohio Valley Experimenters Club

    EIN 813033125 · Headquarters: Overpeck, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. Ohio Valley Forestry Fellowship

    EIN 311004515 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Ohio Valley Foundation Fifth Third Bank

    EIN 316008508 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. Ohio Valley Goodwill Industries

    EIN 310554062 · Headquarters: Cincinnati, Ohio, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Ohio Valley Irish Red White Setter Club

    EIN 452386879 · Headquarters: waterford, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  14. Ohio Valley Karting Association

    EIN 316081769 · Headquarters: Camden, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Ohio Valley Labor Management Cooperation Corporation Inc

    EIN 651234661 · Headquarters: MONROE, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  16. Ohio Valley Local Education Association

    EIN 311132223 · Headquarters: Peebles, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Ohio Valley Majestic Brass

    EIN 844056598 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  18. Ohio Valley N a R I

    EIN 311470851 · Headquarters: CENTERVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Ohio Valley Officials Association- Basketball

    EIN 311106951 · Headquarters: Cleves, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Ohio Valley Quilters Guild

    EIN 311038262 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Ohio Valley Railcars Inc

    EIN 341829084 · Headquarters: North Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Ohio Valley Region PCA Inc

    EIN 311101957 · Headquarters: Hamilton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Ohio Valley Region Sports Car Club of America Inc

    EIN 310946335 · Headquarters: LEWIS CENTER, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Ohio Valley Section of the Association for Diagnostics And

    EIN 311101343 · Headquarters: Wyoming, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Ohio Valley Ski Council Inc

    EIN 310928066 · Headquarters: Beavercreek, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Ohio Valley Society of Plastic Surgeons

    EIN 204578285 · Headquarters: NORTH RIDGEVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Ohio Valley Teen Challenge Inc

    EIN 341313938 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Ohio Valley Vigilantes Cowboy Club Inc

    EIN 341859604 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Ohio Valley YMCA

    EIN 340714794 · Headquarters: EAST LIVERPOOL, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Ohio Vegetable & Small Fruit Research & Development Program

    EIN 311399530 · Headquarters: FRAZEYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Ohio Venture Association

    EIN 341434174 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  32. Ohio Veterinary Medical Association

    EIN 314425770 · Headquarters: POWELL, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Ohio Vision Foundation

    EIN 346575500 · Headquarters: Geneva, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Ohio Voter Action Fund

    EIN 830775350 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Ohio Voters First

    EIN 991699706 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Ohio Voters for Companion Animals Inc

    EIN 464879875 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  37. Ohio Votes for Animals Inc

    EIN 454475418 · Headquarters: AMELIA, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  38. Ohio Wagon Train Asso

    EIN 237068829 · Headquarters: PARIS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Ohio Water Quality Association

    EIN 311305887 · Headquarters: FRAZEYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  40. Ohio Water Well Association Inc

    EIN 341672711 · Headquarters: FRAZEYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Ohio Watercolor Society

    EIN 341268282 · Headquarters: Springfield, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Ohio Welsh Pony Association Inc

    EIN 900283730 · Headquarters: ROOTSTOWN, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  43. Ohio Western Reserve Chapter Military Officers Assoc of America

    EIN 364164785 · Headquarters: COPLEY, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Ohio Wholesale Marketers Assoc

    EIN 314350046 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Ohio Wine Producers Association

    EIN 310885009 · Headquarters: GENEVA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Ohio Women Lead Right

    EIN 922997013 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Ohio Womens Alliance Action Fund

    EIN 843460778 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Ohio Womens Bar Association

    EIN 341709779 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Ohio Woods Riders Llc

    EIN 900993167 · Headquarters: Hebron, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  50. Ohio Youth Alliance

    EIN 992633948 · Headquarters: Hilliard, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Ohio's First Class Credit Union

    EIN 340151750 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  52. Ohio's Hospice of Central Ohio

    EIN 311059756 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Ohio-hubei Friendship Association

    EIN 831398672 · Headquarters: Upper Arlington, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. Ohio-penn Rifle League Inc

    EIN 470914170 · Headquarters: WADSWORTH, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Ohioana Library Association

    EIN 314379616 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Ohioans Against Extremism

    EIN 992439787 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Ohioans Against Illegal Gambling

    EIN 462961149 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  58. Ohioans Against the Reckless Dialysis Amendment

    EIN 831182865 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  59. Ohioans for a Voters Bill of Rights

    EIN 464899210 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Ohioans for Cannabis Choice

    EIN 413267030 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Ohioans for Gun Safety

    EIN 815291282 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Ohioans for Humane Farms Inc

    EIN 271757992 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  63. Ohioans for Justice Hilson

    EIN 300998182 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Ohioans for Liberty Inc

    EIN 461230105 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  65. Ohioans for Raising the Wage

    EIN 843355630 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  66. Ohioans for Redistricting Reform

    EIN 923179654 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Ohioans for Reproductive Freedom

    EIN 921313057 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Ohioans for Reproductive Freedom PAC

    EIN 922353443 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Ohioans for Secure and Fair Elections

    EIN 844644352 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  70. Ohioans for Workplace Freedom

    EIN 454573436 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Ohioans United for Education

    EIN 993669401 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Ohioans United for Reproductive Rights

    EIN 922433361 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Ohiodance Inc

    EIN 341222044 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Ohioequalrights

    EIN 332163582 · Headquarters: Chagrin Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Ohiolegislativeblackcaucus

    EIN 453089354 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  76. Ohios Appalachian Country

    EIN 311399103 · Headquarters: Chillicothe, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Ohios Future Foundation

    EIN 833096238 · Headquarters: Wadsworth, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  78. Ohios Time Inc

    EIN 932578688 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Ohsaa - Bcua

    EIN 815214180 · Headquarters: WEST CHESTER, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Ohsdf Support Fund

    EIN 862581905 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Oil and Gas Festival Inc

    EIN 237128630 · Headquarters: SARDIS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Oj Huffman Marital Trust

    EIN 207048843 · Headquarters: FINDLAY, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. Okinawa Tomono Kai of Ohio

    EIN 311431720 · Headquarters: Hilliard, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Ol Fashun Rod and Gun Club Inc

    EIN 310533395 · Headquarters: FAIRBORN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Olaf S Wessel Charitable Trust

    EIN 316445639 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Old Brooklyn Christian Church

    EIN 472988960 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  87. Old Brooklyn Community Development Corporation

    EIN 341177633 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Old Canal Fishing

    EIN 871565956 · Headquarters: Washington Court House, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  89. Old Central Inc

    EIN 341715238 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Old Dublin Association

    EIN 311237982 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Old Fort Local Education Association

    EIN 237113452 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Old Fort Steuben Project Inc

    EIN 341530076 · Headquarters: STEUBENVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Old Mill Stream Foundation

    EIN 203705901 · Headquarters: BLUFFTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Old Stoners Post 7371

    EIN 316085784 · Headquarters: Kipling, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Old Stoners Veterans of Foreign Wars Auxiliary Post 7371

    EIN 815294792 · Headquarters: OLD WASHINGTON, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. Old Straitsville Water Association

    EIN 310894044 · Headquarters: LOGAN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Old Trail School Foundation

    EIN 341664787 · Headquarters: BATH, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Old Washington Community Volunteer Fire Department

    EIN 310992489 · Headquarters: Old Washington, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Old West End Security Inc

    EIN 341348554 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. Old-fashioned Garden Club

    EIN 300527731 · Headquarters: Montgomery, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

First page and all pages