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. Soccer Association for Youth USA

    EIN 237131820 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Soccer Association for Youth USA

    EIN 372076185 · Headquarters: LEESBURG, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Soccer Association for Youth USA

    EIN 833718777 · Headquarters: Casstown, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  4. Soccer Tennis Federation

    EIN 932111286 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Social Phenom

    EIN 863173644 · Headquarters: Cleveland Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Social Philosophy and Policy Foundation

    EIN 341502497 · Headquarters: BOWLING GREEN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  7. Societa Dimutuo Soccorso Carovilles

    EIN 340539855 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Society for Design Administration

    EIN 237070549 · Headquarters: GEORGETOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  9. Society for Handicapped Citizens of Medina County Inc

    EIN 341011571 · Headquarters: SEVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Society for Industrial and Organizational Psychology Inc (Siop)

    EIN 341372077 · Headquarters: TOLEDO, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Society for International Bioenterprise Education and Resear

    EIN 843340418 · Headquarters: Shaker Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Society for Investigative Dermatology

    EIN 231361165 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Society for Management Information Systems

    EIN 341610860 · Headquarters: VALLEY VIEW, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Society for Marketing Professional Services

    EIN 311128327 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Society for Marketing Professional Services

    EIN 600000847 · Headquarters: Eastlake, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Society for Neuroscience

    EIN 451963225 · Headquarters: Rootstown, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  17. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237224876 · Headquarters: Tipp City, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237400257 · Headquarters: Mineral City, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 310140733 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 310960330 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 311009305 · Headquarters: MARION, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 316050250 · Headquarters: Cincinnat, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 340933188 · Headquarters: Deshler, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 346552443 · Headquarters: FAIRVIEW PARK, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 346572262 · Headquarters: Port Clinton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 346599606 · Headquarters: Chesterland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 386111217 · Headquarters: Montpelier, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 237009207 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 237439718 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 311192988 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 311713890 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 316039096 · Headquarters: Middletown, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 320003412 · Headquarters: INDEPENDENCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 346573190 · Headquarters: sheffield village, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 346573586 · Headquarters: Mayfield Village, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 346575015 · Headquarters: Massillon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 346575083 · Headquarters: COLUMBIANA, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 346582126 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 386115939 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 753141213 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Society for Preservation and Encouragement of Barbershop Quarte

    EIN 834416661 · Headquarters: Newark, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Society for Rehabilitation

    EIN 340901410 · Headquarters: Concord, OH, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  43. Society for the Preservation and Encouragement of Barbershop

    EIN 316051156 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Society for the Study of Narrative Literature

    EIN 382975160 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Society of American Foresters

    EIN 521273259 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Society of American Military Engineers

    EIN 316077303 · Headquarters: Fairborn, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Society Of American Military Engineers

    EIN 316077304 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Society of American Military Engineers Cleveland Post

    EIN 992592866 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Society of Chartered Property & Casualty Under Cle

    EIN 346558961 · Headquarters: Strongsville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Society of Colonial Wars in Ohio C/o Jeremy Moore

    EIN 316050248 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Society of Cosmetic Chemists

    EIN 311167944 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Society of Cosmetic Chemists

    EIN 341476677 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Society of Critical Care Medicine

    EIN 270221112 · Headquarters: Beachwood, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Society of Financial Service Professionals Cincinnati Chapter

    EIN 316057776 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Society Of Gas Lightning

    EIN 112667948 · Headquarters: Gahanna, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Society of Glass and Ceramic Decorated Products

    EIN 132596145 · Headquarters: ZANESVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Society of Incentive & Travel Executives Inc

    EIN 473452354 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Society of Israel Philatelists Inc

    EIN 236406213 · Headquarters: Pepper Pike, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Society of Manufacturing Engineers

    EIN 237038535 · Headquarters: N Royalton, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Society of Manufacturing Engineers

    EIN 237433204 · Headquarters: Mentor, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Society of Manufacturing Engineers

    EIN 316047304 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Society of Manufacturing Engineers

    EIN 316067486 · Headquarters: Kettering, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Society of Manufacturing Engineers

    EIN 316067487 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Society of Manufacturing Engineers

    EIN 316077202 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Society of Manufacturing Engineers

    EIN 346555731 · Headquarters: Auburn Twp, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Society of Mayflower Descendants in the State of Ohio

    EIN 346556109 · Headquarters: Cleveland, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Society of Ohio Archivists Ohio State University Archives

    EIN 237236160 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Society of Phi Zeta

    EIN 311262509 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Society of Pi Kappa Lambda

    EIN 237150158 · Headquarters: Wooster, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Society of Plastics Engineers

    EIN 237270909 · Headquarters: Liberty Township, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Society of Plastics Engineers

    EIN 346532147 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Society of Plastics Engineers

    EIN 346542520 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Society of Professional Journalists

    EIN 237033901 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Society of Professional Journalists

    EIN 310911785 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Society of Professional Journalists

    EIN 346557724 · Headquarters: Fairview Park, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Society of Professional Journalists

    EIN 800154441 · Headquarters: Fairview Park, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Society of St Vincent De Paul All Saints Conference

    EIN 800609640 · Headquarters: Rossford, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Society of St Vincent De Paul Our Lady of Perpetual Help

    EIN 300643067 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Society of St Vincent De Paul St Charles Conference Lima Oh

    EIN 383826423 · Headquarters: Lima, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Society of St Vincent De Paul St Julie Billiart Conference

    EIN 263319309 · Headquarters: Hamilton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Society of St Vincent De Paul St Ma Rtin De Porres Conference

    EIN 471884865 · Headquarters: Bellaire, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Society of St Vincent De Paul St Mary Conference

    EIN 263046582 · Headquarters: Hillsboro, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Society of St Vincent De Paul St Mary Conference

    EIN 611740498 · Headquarters: Bethel, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  84. Society of St Vincent De Paul St Mary Parish

    EIN 310650628 · Headquarters: Bethel, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  85. Society of the Donauschwaben C/o Elizabeth Tullius

    EIN 316044156 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Society of the War of 1812 in the State of Ohio

    EIN 311243521 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Society of Women Engineers

    EIN 311350000 · Headquarters: Lucasville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Society of Women Engineers

    EIN 311438152 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Society of Women Engineers

    EIN 341668818 · Headquarters: Macedonia, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Society of Women Engineers

    EIN 364679387 · Headquarters: Ada, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Society of Women Engineers

    EIN 364722415 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Society of Women Engineers

    EIN 882998136 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Soft Gripp

    EIN 474088912 · Headquarters: North Ridgeville, OH, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  94. Sogetsu School of Ikebana Columbus Ohio Branch

    EIN 900804604 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Sogg Foundation Inc C/o Randolph D Markey

    EIN 346537192 · Headquarters: MORELAND HILLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  96. Soil and Water Conservatory Society

    EIN 310678959 · Headquarters: Willard, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Sokol Greater Cleveland Gymnastic & Educational Organization

    EIN 340540510 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Sol & Doris R Swiss Foundation

    EIN 386147689 · Headquarters: Oberlin, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  99. Solar Free Stark

    EIN 991723587 · Headquarters: LOUISVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Solid Ground School Christin Butler

    EIN 832198400 · Headquarters: MILLFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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