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. Optimist International

    EIN 316085053 · Headquarters: Centerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Optimist International

    EIN 316085054 · Headquarters: Eaton, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Optimist International

    EIN 341254670 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Optimist International

    EIN 341468379 · Headquarters: Ridgeway, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Optimist International

    EIN 341479925 · Headquarters: Fairlawn, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Optimist International

    EIN 341658645 · Headquarters: McDonald, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Optimist International

    EIN 341700308 · Headquarters: Streetsboro, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Optimist International

    EIN 346555600 · Headquarters: MANSFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Optimist International

    EIN 346555681 · Headquarters: LIMA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Optimist International

    EIN 346569680 · Headquarters: Conneaut, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Optimist International

    EIN 510184423 · Headquarters: Mason, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Optimist International

    EIN 510184498 · Headquarters: Ostrander, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Optimist International

    EIN 510212967 · Headquarters: New Middletown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Optimist International

    EIN 900531336 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Optimist International

    EIN 901032772 · Headquarters: Beavercreek, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Optimist International

    EIN 933583986 · Headquarters: Springfield, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Optimist International Club

    EIN 346608158 · Headquarters: CORTLAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Optimist International Optimist Club of Van Wert Ohio Club 24391

    EIN 341328741 · Headquarters: VAN WERT, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  19. Optimist International-centerville Ohio Noon

    EIN 316083734 · Headquarters: Dayton, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. Optometric Educators Inc

    EIN 310873508 · Headquarters: Dublin, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Or & W Firemans Association

    EIN 341427673 · Headquarters: Shadyside, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Orange Area Service Committee

    EIN 237404780 · Headquarters: PEPPER PIKE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Orange Music Patronaires

    EIN 237065691 · Headquarters: Pepper Pike, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Orange School Employees Credit Union

    EIN 340927136 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  25. Orange Schools Foundation

    EIN 341690189 · Headquarters: PEPPER PIKE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Orange Teachers Association

    EIN 341399794 · Headquarters: Pepper Pike, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Orange Township Fire Company

    EIN 460531933 · Headquarters: Nankin, OH, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  28. Orchard Hill Swim Club Inc

    EIN 310720769 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Orchard Villas Homeowners Association

    EIN 364548190 · Headquarters: Holland, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. Orco Sportsmans Association Inc

    EIN 341279887 · Headquarters: GENEVA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Order Italian Sons and Daughters of America

    EIN 237633355 · Headquarters: Brecksville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Order Italian Sons and Daughters of America

    EIN 237633363 · Headquarters: Mayfield Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Order Italian Sons and Daughters of America

    EIN 237633377 · Headquarters: Mayfield Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Order Italian Sons and Daughters of America

    EIN 237633379 · Headquarters: Chardon, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Order Italian Sons and Daughters of America

    EIN 237633393 · Headquarters: South Euclid, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Order of Eastern Star of Ohio

    EIN 932677743 · Headquarters: Heath, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Order of Eastern Star Trinity Chapter 16

    EIN 344474096 · Headquarters: LIMA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Order of Hercules Cincinnati Lodge 1

    EIN 316035187 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Order of Italian Sons and Daughters of America

    EIN 814800940 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Order of the Alhambra Inc

    EIN 237196237 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Order of the Amaranth Inc Supreme Council

    EIN 237614240 · Headquarters: Hinckley, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Order of the Amaranth Inc Supreme Council

    EIN 237614242 · Headquarters: Hinckley, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Order of the Amaranth Inc Supreme Council

    EIN 237614245 · Headquarters: BARNESVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Order of the Amaranth Inc Supreme Council

    EIN 237614251 · Headquarters: Girard, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Order of the Amaranth Inc Supreme Council

    EIN 237614264 · Headquarters: Zanesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Order of the Amaranth Inc Supreme Council

    EIN 237614269 · Headquarters: Painesville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Order of the Amaranth Inc Supreme Council

    EIN 237614270 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Order of the Amaranth Inc Supreme Council

    EIN 237614271 · Headquarters: Salem, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Order of the Amaranth Inc Supreme Council

    EIN 311100232 · Headquarters: Piqua, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Order of the Amaranth Inc Supreme Council

    EIN 346533595 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Order of the Easter Star of Ohio

    EIN 462536312 · Headquarters: troy, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Order of the Eastern Star

    EIN 474580832 · Headquarters: Groveport, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  53. Order of the Eastern Star of Ohio

    EIN 020748192 · Headquarters: Duncan Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Order of the Eastern Star of Ohio

    EIN 208974926 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Order of the Eastern Star of Ohio

    EIN 237064766 · Headquarters: Painesville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Order of the Eastern Star of Ohio

    EIN 237105053 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Order of the Eastern Star of Ohio

    EIN 237131183 · Headquarters: PORT CLINTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Order of the Eastern Star of Ohio

    EIN 237131366 · Headquarters: Lorain, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Order of the Eastern Star of Ohio

    EIN 237153526 · Headquarters: Middletown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Order of the Eastern Star of Ohio

    EIN 237159656 · Headquarters: Bellefontaine, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Order of the Eastern Star of Ohio

    EIN 237159674 · Headquarters: Cuyahoga Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Order of the Eastern Star of Ohio

    EIN 237161383 · Headquarters: Watewrville, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. Order of the Eastern Star of Ohio

    EIN 237165759 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Order of the Eastern Star of Ohio

    EIN 237165983 · Headquarters: Waterville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Order of the Eastern Star of Ohio

    EIN 237169888 · Headquarters: Fairborn, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Order of the Eastern Star of Ohio

    EIN 237172198 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Order of the Eastern Star of Ohio

    EIN 237172987 · Headquarters: Warren, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  68. Order of the Eastern Star of Ohio

    EIN 237172990 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Order of the Eastern Star of Ohio

    EIN 237197456 · Headquarters: Tipp City, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Order of the Eastern Star of Ohio

    EIN 237503308 · Headquarters: Marysville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Order of the Eastern Star of Ohio

    EIN 237503311 · Headquarters: Kingsville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  72. Order of the Eastern Star of Ohio

    EIN 237503314 · Headquarters: Collins, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Order of the Eastern Star of Ohio

    EIN 237503315 · Headquarters: East Liverpool, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Order of the Eastern Star of Ohio

    EIN 237503316 · Headquarters: Reno, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Order of the Eastern Star of Ohio

    EIN 237503319 · Headquarters: Findlay, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Order of the Eastern Star of Ohio

    EIN 237503322 · Headquarters: Lima, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Order of the Eastern Star of Ohio

    EIN 237503333 · Headquarters: Catawba, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Order of the Eastern Star of Ohio

    EIN 237503340 · Headquarters: Ravenna, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Order of the Eastern Star of Ohio

    EIN 237503342 · Headquarters: Van Wert, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. Order of the Eastern Star of Ohio

    EIN 237503352 · Headquarters: Dexter City, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Order of the Eastern Star of Ohio

    EIN 237503353 · Headquarters: Perrysburg, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Order of the Eastern Star of Ohio

    EIN 237503354 · Headquarters: williamsport, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Order of the Eastern Star of Ohio

    EIN 237503356 · Headquarters: Edison, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Order of the Eastern Star of Ohio

    EIN 237503359 · Headquarters: Wauseon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Order of the Eastern Star of Ohio

    EIN 237503360 · Headquarters: Deshler, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Order of the Eastern Star of Ohio

    EIN 237503366 · Headquarters: Logan, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Order of the Eastern Star of Ohio

    EIN 237503380 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Order of the Eastern Star of Ohio

    EIN 237503381 · Headquarters: REPUBLIC, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Order of the Eastern Star of Ohio

    EIN 237503382 · Headquarters: Fostoria, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Order of the Eastern Star of Ohio

    EIN 237503387 · Headquarters: Waverly, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Order of the Eastern Star of Ohio

    EIN 237503393 · Headquarters: NEWCOMERSTOWN, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Order of the Eastern Star of Ohio

    EIN 237503394 · Headquarters: Harveysburg, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Order of the Eastern Star of Ohio

    EIN 237503396 · Headquarters: Dublin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Order of the Eastern Star of Ohio

    EIN 237503401 · Headquarters: DEERFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Order of the Eastern Star of Ohio

    EIN 237503407 · Headquarters: Harrod, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Order of the Eastern Star of Ohio

    EIN 237503414 · Headquarters: McArthur, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Order of the Eastern Star of Ohio

    EIN 237503415 · Headquarters: Continental, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Order of the Eastern Star of Ohio

    EIN 237503416 · Headquarters: Spencerville, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Order of the Eastern Star of Ohio

    EIN 237503418 · Headquarters: West Milton, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Order of the Eastern Star of Ohio

    EIN 237503420 · Headquarters: Pomeroy, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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