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. Catholic Social Services of the Miami Valley

    EIN 310536645 · Headquarters: Dayton, OH, United States · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Catholic Social Workers National Association Inc

    EIN 205185543 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Catholic Visitation Society

    EIN 316045380 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Catholic War Veterans John J Buckley Post 1292

    EIN 346557777 · Headquarters: YOUNGSTOWN, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  5. Catholic War Veterans of the United 0661 Post

    EIN 237188980 · Headquarters: Russia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Catholic War Veterans of the United States of Amer

    EIN 237188275 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Catholic War Veterans of the United States of America

    EIN 237188308 · Headquarters: TOLEDO, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Catholic War Veterans of the United States of America

    EIN 454368857 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. Catholic War Veterans of the United States of America Inc

    EIN 237143278 · Headquarters: METAMORA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Catholic War Veterans of the United States of America Inc

    EIN 237167407 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Catholic War Veterans of the United States of America Inc

    EIN 237188960 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Catholic War Veterans of the United States of America Inc

    EIN 311704472 · Headquarters: GROVE CITY, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Catholic War Veterans of the United States of America Inc

    EIN 341482128 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  14. Catholic War Veterans of the United States of America Inc

    EIN 341845253 · Headquarters: SANDUSKY, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Catholic War Veterans of the United States of America Inc

    EIN 346540510 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Catholic War Veterans of the United States of America Inc

    EIN 346544701 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Catholic War Veterans of the United States of America Inc

    EIN 455465571 · Headquarters: Leipsic, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Catholic War Veterans of the United States of America Inc

    EIN 465011165 · Headquarters: Norwalk, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Catholic War Veterans of the United States of America Inc

    EIN 994972502 · Headquarters: Sylvania, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Catholic War Veterans of the United States or America Inc

    EIN 883285202 · Headquarters: Fairview Park, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Catholic War Veterans S E Suburban Post 1812

    EIN 237188320 · Headquarters: INDEPENDENCE, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Catholics United for the Faith Inc

    EIN 132621966 · Headquarters: HOPEDALE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Catholics United for the Poor

    EIN 311150882 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Catlantis Cat Sanctuary and Rescue

    EIN 843880986 · Headquarters: East Liverpool, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Catrone Trucking Bowling League

    EIN 270997739 · Headquarters: Orrville, OH, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Cavalier Cheer

    EIN 465694707 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Cavalier King Charles Spaniel Club of Greater Chicago

    EIN 320071937 · Headquarters: Hamilton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Cavaliers in Action

    EIN 311214937 · Headquarters: PIQUA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Caybl Inc

    EIN 471638545 · Headquarters: Kings Mills, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  30. Cbmc Inc

    EIN 341184445 · Headquarters: Sandusky, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  31. Cbt Development Inc

    EIN 341270284 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Ccaa Inc

    EIN 311316707 · Headquarters: MILFORD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Cchs Class of 65 Reunion

    EIN 472155380 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Ccno Corrections Officers Association Local 64

    EIN 341808639 · Headquarters: Stryker, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. Ceata Romanian Folk Ensemble

    EIN 394087065 · Headquarters: Parma Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Cecil Mauger Charitable Trust

    EIN 316313464 · Headquarters: NEWARK, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Cedar Bog Association

    EIN 311068715 · Headquarters: Urbana, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Cedar Lodge No 430

    EIN 340233933 · Headquarters: Orrville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Cedar Meadows Inc

    EIN 311204975 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Cedar One Group Foundation

    EIN 422942569 · Headquarters: Wintersville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Cedars-sinai Irrevocable Trust

    EIN 386830448 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Cedarwood Beach Club

    EIN 341843762 · Headquarters: Mentor, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Celebrate Westlake

    EIN 341703289 · Headquarters: North Ridgeville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Celina American Legion Auxiliary Unit 210

    EIN 346556033 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Celina Band Boosters C/o Ashley Giesige

    EIN 346526037 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Celina Chapt 388 Women of the Moose

    EIN 341314133 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Celina Govenors Cup Regatta Inc

    EIN 341803331 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. Celina High School Class of 2011

    EIN 812994301 · Headquarters: Celina, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Celina Lake Festival Inc

    EIN 341183714 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Celina Lodge No 1473 Loyal Order of Moose

    EIN 344292690 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Celina Mercer Cnty Chamber Commerce

    EIN 344478719 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Celina Senior High Athletic Booster Club

    EIN 341344630 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Celina-mercer County Combined Services Appeal Inc

    EIN 341239044 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Cement Masons Jatc 536

    EIN 310711433 · Headquarters: AMANDA, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Cement Masons Local 131 Joint Apprenticeship

    EIN 237224002 · Headquarters: BEAVERCREEK, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Cement Masons Local 524 Apprentice Train

    EIN 316059403 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Center Cemetery Trust Fund

    EIN 356035244 · Headquarters: HAMILTON, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Center for Addiction Treatment F/k/a the Center for Chemical Addictions

    EIN 310792742 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Center for Anabaptist History

    EIN 264016975 · Headquarters: MARTINSBURG, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  60. Center for Arts-inspired Learning

    EIN 341241756 · Headquarters: CLEVELAND, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Center for Disability Services

    EIN 316402437 · Headquarters: HEATH, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Center for Family Medicine

    EIN 372076366 · Headquarters: Lakewood, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Center for Humane Options in Childbirth Experience

    EIN 310930225 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Center for Neurological Development

    EIN 341435371 · Headquarters: BURKETTSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Center for Somali Relief and Development

    EIN 270559357 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  66. Center for the Study of Networks and Society

    EIN 823441046 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. Center of His Presence Inc

    EIN 871838203 · Headquarters: Saint Marys, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Center Street Historic District Association Inc

    EIN 341584901 · Headquarters: Ashland, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  69. Centerville Band Boosters Inc

    EIN 311053177 · Headquarters: CENTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Centerville Classroom Teachers Association

    EIN 237124977 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Centerville Education Foundation Inc

    EIN 311092704 · Headquarters: Centerville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Centerville Garden Club Inc

    EIN 310798161 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Centerville Primary Village South Parent Teacher Organization

    EIN 260501099 · Headquarters: Centerville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Centerville Rotary Club Educational Foundation Inc

    EIN 310899445 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Centerville School Orchestra Supporters

    EIN 311020905 · Headquarters: Centerville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Centerville Washington History

    EIN 316078472 · Headquarters: CENTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Central & Northern Ohio Chapter of the Counselors of Real Estate

    EIN 453687865 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Central Academy Ohio Podiatric Medical Association

    EIN 800589045 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Central Chapter of Ohio Association of School Business Officials

    EIN 883565764 · Headquarters: Plain City, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  80. Central Clinic Behavioral Health

    EIN 311411744 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Central Clinic-inc

    EIN 310552288 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Central Coated Products Inc

    EIN 341678523 · Headquarters: ALLIANCE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Central Community House

    EIN 314379438 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Central Construction Electrical Workers Inc

    EIN 311106885 · Headquarters: NASHPORT, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  85. Central Midwest Regional Council of Carpenters Supplemental Unemployment Be

    EIN 341237479 · Headquarters: CANFIELD, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Central Office of Dayton Inc

    EIN 310866028 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Central Ohio Abcd

    EIN 472308452 · Headquarters: Westerville, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Central Ohio Air Conditioning Contractors of America

    EIN 311253260 · Headquarters: POWELL, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Central Ohio Alumni Association of Theta XI Fraternity Inc

    EIN 311405617 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Central Ohio Anglers & Hunters Club

    EIN 316066917 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Central Ohio Antique Fire Apparatus Association

    EIN 311217502 · Headquarters: Canal Winchester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Central Ohio Assoc of Catholic Educator

    EIN 311043946 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Central Ohio Associated General Contractors Inc

    EIN 316054137 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Central Ohio Association for Justice

    EIN 311021217 · Headquarters: Powell, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Central Ohio Association for Talent Development

    EIN 316083472 · Headquarters: Galena, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Central Ohio Association of Christian Broadcasters Inc

    EIN 310988382 · Headquarters: MARION, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Central Ohio Bicentennial Association

    EIN 237401552 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Central Ohio Boys Volleyball Officials Association

    EIN 461674922 · Headquarters: Plain City, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Central Ohio Branch of the International Dyslexia Association

    EIN 311264070 · Headquarters: Westerville, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. Central Ohio Bridge Association

    EIN 316068096 · Headquarters: Pickerington, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

First page and all pages