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. The Miami Valley Chapter of the Risk Management Association

    EIN 310908996 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  2. The Miami Valley Steam Threshers Assocation Inc

    EIN 310892194 · Headquarters: Plain City, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. The Michelson Foundation Charitable Trust (C/o Richard Michelson Jr)

    EIN 346616858 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. The Middletown Ohio Kiwanis Foundation

    EIN 311050170 · Headquarters: Middletown, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. The Midwest Sungard Corbel Users Group

    EIN 382887219 · Headquarters: Broadview Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. The Mikesell Wade Foundation

    EIN 346518852 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. The Miles Greenwood Historical Fire Apparatus Society

    EIN 311204954 · Headquarters: Amelia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. The Milton and Tamar Maltz Family Foundation

    EIN 650164300 · Headquarters: BEACHWOOD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. The Mirth Project

    EIN 851146000 · Headquarters: Powell, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. The Mlm Charitable Foundation

    EIN 341018519 · Headquarters: MAUMEE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  11. The Mohawk Country Club

    EIN 344413738 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. The Mount Washington Community Council Inc

    EIN 311087312 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. The Murch Foundation

    EIN 346520188 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. The Murray & Murray Charitable Foundation

    EIN 341746379 · Headquarters: SANDUSKY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. The Murray Family Boy Scouts of Ame Boy Scouts of America

    EIN 311404570 · Headquarters: ADAMSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. The Muse Machine Inc

    EIN 311028673 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. The Museum of Motivation

    EIN 300567856 · Headquarters: Uniontown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. The Nancy Jeffrey Kingsley Foundation

    EIN 853943081 · Headquarters: BEXLEY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. The Nancy-clay Marsteller Charitable Foundation

    EIN 341603345 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. The National Bowling Association Inc

    EIN 340902186 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. The National Catholic College Admission Association

    EIN 222811383 · Headquarters: New Albany, OH, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The National Conference of Artists Inc

    EIN 237360790 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. The National Hay Association Inc

    EIN 381655677 · Headquarters: GENOA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. The National Management Association

    EIN 310387780 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. The National Postal Mail Handlers Union Local 304

    EIN 341120293 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. The Nationalities Broadcasters Association Inc

    EIN 800595343 · Headquarters: CHAGRIN FALLS, OH, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  27. The Nerdy Bible

    EIN 920458032 · Headquarters: Canton, OH, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  28. The New Lexington-junction City Scholarship Council Endowment Fund

    EIN 311112979 · Headquarters: New Lexington, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. The New Me Foundation

    EIN 462308363 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. The Newman Foundation Incorporated

    EIN 316061954 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. The Nfg Foundation C/o Mark Senff

    EIN 311387062 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. The Niels a Lundgard and Ruth Lundgard

    EIN 316678858 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  33. The Nord Family Foundation

    EIN 341595929 · Headquarters: AMHERST, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. The Nordonia Hills Chamber of Commerce

    EIN 341496145 · Headquarters: Northfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. The Nordson Corporation Foundation

    EIN 341596194 · Headquarters: WESTLAKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  36. The North Fairmount Community Council

    EIN 310824331 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. The North High School Boosters Club of Eastlake

    EIN 341176266 · Headquarters: Eastlake, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  38. The North Olmsted Chamber of Commerce

    EIN 341119388 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. The Northwest Chapter of the Ohio Association of School Business Off

    EIN 824699485 · Headquarters: Rossford, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. The Norwalk Cemetery Association

    EIN 341581163 · Headquarters: NORWALK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. The Nurturing Nest Inc

    EIN 311706123 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. The O'neill Brothers Foundation C/o Francis Jay O'neill

    EIN 346545084 · Headquarters: CHAGRIN FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. The O-i Charities Foundation

    EIN 346554560 · Headquarters: PERRYSBURG, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  44. The Oaks

    EIN 340825929 · Headquarters: North Lawrence, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. The Oaks Foundation Inc

    EIN 341724387 · Headquarters: SEBRING, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. The Ohio Art Corridor

    EIN 831343647 · Headquarters: MCCONNELSVLE, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  47. The Ohio Association of Chiefs of Police

    EIN 310801191 · Headquarters: DUBLIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. The Ohio Association of Garden Clubs Inc Region 7

    EIN 331181521 · Headquarters: Bucyrus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. The Ohio Center for Law Related Education

    EIN 311124428 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. The Ohio Citizens Committee for the Arts Inc

    EIN 341747342 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. The Ohio Congress of Parents and Teachers

    EIN 314351810 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. The Ohio Council of Behavioral Health & Family Services Providers

    EIN 310951018 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. The Ohio Educational Credit Union Inc

    EIN 340153020 · Headquarters: SEVEN HILLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. The Ohio Genealogical Society

    EIN 346555678 · Headquarters: BELLVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. The Ohio Machinery Education and Opportunity Foundation

    EIN 832754692 · Headquarters: BROADVIEW HEIGHTS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. The Ohio Masonic Communities

    EIN 900054759 · Headquarters: Springfield, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. The Ohio Mayors Alliance

    EIN 813097391 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. The Ohio Society of Radiologic Technologist Education and Research Foundati

    EIN 311347892 · Headquarters: Zanesville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. The Ohio Stat University

    EIN 934562922 · Headquarters: Bucyrus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. The Ohio Stat University

    EIN 990863249 · Headquarters: Gallipolis, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. The Ohio State Univeristy

    EIN 833306461 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. The Ohio State Univeristy

    EIN 833361481 · Headquarters: Cortland, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. The Ohio State Univeristy

    EIN 833408909 · Headquarters: MOUNT VERNON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. The Ohio State Univeristy

    EIN 833412398 · Headquarters: Canfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. The Ohio State Univeristy

    EIN 833415842 · Headquarters: Lisbon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. The Ohio State Univeristy

    EIN 833472528 · Headquarters: New Vienna, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. The Ohio State Univeristy

    EIN 833486730 · Headquarters: Louisville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. The Ohio State Univeristy

    EIN 833492915 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. The Ohio State Univeristy

    EIN 833494612 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. The Ohio State Univeristy

    EIN 833528314 · Headquarters: Mount Gilead, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  71. The Ohio State Univeristy

    EIN 833543459 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. The Ohio State Univeristy

    EIN 833550154 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. The Ohio State Univeristy

    EIN 833622063 · Headquarters: Canfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. The Ohio State Univeristy

    EIN 833640708 · Headquarters: georgetown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. The Ohio State Univeristy

    EIN 833702316 · Headquarters: Millersburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. The Ohio State Univeristy

    EIN 833705478 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. The Ohio State Univeristy

    EIN 833778804 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. The Ohio State Univeristy

    EIN 833779726 · Headquarters: Gallipolis, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. The Ohio State Univeristy

    EIN 833807224 · Headquarters: Valley City, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  80. The Ohio State Univeristy

    EIN 833822966 · Headquarters: Louisville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. The Ohio State Univeristy

    EIN 833860949 · Headquarters: Langsville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. The Ohio State Univeristy

    EIN 833911793 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. The Ohio State Univeristy

    EIN 833922948 · Headquarters: Bucyrus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. The Ohio State Univeristy

    EIN 833956293 · Headquarters: New Vienna, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. The Ohio State Univeristy

    EIN 833986319 · Headquarters: Canfield, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  86. The Ohio State Univeristy

    EIN 834013251 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. The Ohio State Univeristy

    EIN 834029477 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. The Ohio State Univeristy

    EIN 834035534 · Headquarters: Oxford, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  89. The Ohio State Univeristy

    EIN 834049311 · Headquarters: Frankfort, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. The Ohio State Univeristy

    EIN 834050209 · Headquarters: Medway, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. The Ohio State Univeristy

    EIN 834079504 · Headquarters: Dorset, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. The Ohio State Univeristy

    EIN 834117182 · Headquarters: Stockport, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. The Ohio State Univeristy

    EIN 834126589 · Headquarters: Litchfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. The Ohio State Univeristy

    EIN 834129014 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. The Ohio State Univeristy

    EIN 834172314 · Headquarters: Delaware, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. The Ohio State Univeristy

    EIN 834188022 · Headquarters: Athens, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. The Ohio State Univeristy

    EIN 834243396 · Headquarters: Newcomerstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. The Ohio State Univeristy

    EIN 834250033 · Headquarters: Norwalk, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  99. The Ohio State Univeristy

    EIN 834356135 · Headquarters: London, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  100. The Ohio State Univeristy

    EIN 834361314 · Headquarters: Bowling Green, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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