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. South Shore Sportsman Club of Grand Lake St Marys Ohio

    EIN 341512041 · Headquarters: CELINA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. South Shore Yacht Club Inc

    EIN 346501025 · Headquarters: Akron, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. South Side Duplicate Club

    EIN 341018605 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. South Side Sportsmens Club

    EIN 341413267 · Headquarters: WATERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. South Suburban Montessori Association Inc

    EIN 341056728 · Headquarters: BRECKSVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. South Suburbs Dart League Inc

    EIN 341762993 · Headquarters: north Royalton, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. South Summit Chamber of Commerce

    EIN 340084260 · Headquarters: BARBERTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. South Summit Sports and Scholarship Inc

    EIN 341621265 · Headquarters: AKRON, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  9. South Toledo Bears

    EIN 383873696 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. South Toledo Senior Center

    EIN 341357745 · Headquarters: Toledo, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. South Webster Food Pantry

    EIN 853118789 · Headquarters: SOUTH WEBSTER, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. South West Argumentation Team Inc

    EIN 824237777 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. South Western Buckeye Pee Wee Football League

    EIN 510676485 · Headquarters: Brookville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. South-western Education Association

    EIN 311054429 · Headquarters: GROVE CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Southeast Chapter of Ohio Association of School Business Off

    EIN 272838622 · Headquarters: Hammondsville, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. Southeast Clergy Meals-on-wheels Inc

    EIN 341475654 · Headquarters: BEDFORD, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Southeast Conservation Club Inc

    EIN 316036094 · Headquarters: GROVE CITY, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Southeast Diversified Industries Inc

    EIN 311312055 · Headquarters: Cambridge, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Southeast Local District Teachers Association Seldta

    EIN 341274685 · Headquarters: RAVENNA, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Southeast Local Education Association

    EIN 341347731 · Headquarters: Apple Creek, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Southeast Michigan Virginia Tech Alumni

    EIN 842203725 · Headquarters: TOLEDO, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. Southeast Ohio Breastfeeding Coalition

    EIN 833544813 · Headquarters: Norwich, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Southeast Ohio Youth Mentoring

    EIN 311184053 · Headquarters: ATHENS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Southeast Regional Library System Serls

    EIN 310829210 · Headquarters: Wellston, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Southeastern Band Parents

    EIN 310951217 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Southeastern Conference of Community Bankers Inc

    EIN 366143461 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Southeastern Division Council for T Emplar Advancement of the Grand Co

    EIN 331305955 · Headquarters: Marietta, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Southeastern Ecumenical Ministry Inc

    EIN 237018162 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Southeastern Local Association of School Employees

    EIN 311639053 · Headquarters: SPRINGFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Southeastern Local Education Association Clark County

    EIN 310889544 · Headquarters: Fairborn, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Southeastern Local Teachers' Association

    EIN 237090604 · Headquarters: Chillicothe, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Southeastern Ohio Funeral Directors Association

    EIN 365159463 · Headquarters: Amanda, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Southeastern Ohio Mechanical Contractor Associationinc

    EIN 311633083 · Headquarters: ZANESVILLE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Southeastern Ohio Oil & Gas Association

    EIN 311055701 · Headquarters: MARIETTA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Southeastern Ohio Watercolor Society

    EIN 311079962 · Headquarters: New Concord, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Southern Cherokee Nation of Kentucky Inc

    EIN 473005057 · Headquarters: Plymouth, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Southern Hills Joint Vocational School Teachers Association

    EIN 311270425 · Headquarters: Georgetown, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Southern Hills Oasbo

    EIN 471945044 · Headquarters: Portsmouth, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  39. Southern Local Teachers Association

    EIN 311046530 · Headquarters: Salineville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Southern Lorain County Historical Society

    EIN 237140303 · Headquarters: WELLINGTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Southern Ohio Adult Soccer Association

    EIN 311454889 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Southern Ohio Association of Realto

    EIN 310850282 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Southern Ohio Beagle Club Inc

    EIN 900556561 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Southern Ohio Canine Search & Rescue

    EIN 871289671 · Headquarters: Chillicothe, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Southern Ohio Chamber Alliance

    EIN 311398387 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Southern Ohio Filmmakers Assn

    EIN 450576032 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  47. Southern Ohio Flying K9s

    EIN 263797558 · Headquarters: Lebanon, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Southern Ohio Genealogical Society

    EIN 311190752 · Headquarters: Hillsboro, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Southern Ohio Medical Center Title Holding Company

    EIN 311417566 · Headquarters: PORTSMOUTH, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Southern Ohio Memorial Post No 6878 of the Veterans of Foreign

    EIN 311102136 · Headquarters: Proctorville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Southern Ohio Miners INC

    EIN 933128588 · Headquarters: McArthur, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. Southern Ohio Professional Golfers Association

    EIN 510142575 · Headquarters: Dayton, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Southern State Community College Foundation

    EIN 311463267 · Headquarters: Hillsboro, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Southern Terrace Mobile Home Residents Association

    EIN 320599565 · Headquarters: Columbiana, OH, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  55. Southern Warren County Chamber of Commerce

    EIN 020815324 · Headquarters: MORROW, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Southfield Preparatory Academy

    EIN 850670838 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Southside Club Inc

    EIN 310904161 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Southside Community Ministries

    EIN 310923342 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Southview Legacy 81

    EIN 471136664 · Headquarters: North Olmsted, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Southwest General Health Center

    EIN 341455141 · Headquarters: Middleburg Heights, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Southwest Ohio Association for the Education of Young Children

    EIN 316053085 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Southwest Ohio Electrical Organization

    EIN 931794191 · Headquarters: Monroe, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Southwest Ohio Fire Safety

    EIN 311135798 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Southwest Ohio General Service Area 56

    EIN 311267040 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Southwest Ohio Music Academy

    EIN 392942274 · Headquarters: Kettering, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Southwest Ohio Nurses Assn District 8

    EIN 310271639 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Southwest Ohio Purchasers for Government

    EIN 311213664 · Headquarters: Dayton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Southwest Ohio Rhetoricians and Debaters

    EIN 814124930 · Headquarters: Harveysburg, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Southwest Ohio Trial Lawyers Association

    EIN 311305187 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Southwestern City Schools Educational Foundation

    EIN 311216019 · Headquarters: Grove City, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Southwestern Division Council for Templar Advancement of the Command

    EIN 320616148 · Headquarters: West Chester, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Southwestern Ohio 4-H Camp Inc

    EIN 310561372 · Headquarters: Lebanon, OH, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  73. Southwestern Ohio Board of Officials

    EIN 020683571 · Headquarters: Columbus, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Southwestern Ohio Building Officials Association

    EIN 310909824 · Headquarters: Cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Southwestern Ohio Chamber of Commerce

    EIN 311406504 · Headquarters: Montgomery, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Southwestern Ohio Education Assn

    EIN 310597998 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Southwestern Ohio Feathers Finns & Furs Inc

    EIN 311271023 · Headquarters: Deer Park, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Southwestern Ohio Garage & Gasoline Dealers Association Inc

    EIN 316050774 · Headquarters: VANDALIA, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Southwestern Ohio Hemophilia Foundation

    EIN 311527065 · Headquarters: DAYTON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. Southwestern Ohio Land Title Association

    EIN 311387336 · Headquarters: Batavia, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Southwestern Ohio Northern Kentucky Square Dancers Federation Inc

    EIN 316050660 · Headquarters: Milford, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Southwestern Ohio Public Radio Inc

    EIN 510163061 · Headquarters: Huber Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Southwestern Ohio School Nurses Association

    EIN 311124260 · Headquarters: Kettering, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Southwestern Ohio School Psychologist Association

    EIN 310930226 · Headquarters: Bellbrook, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Southwestern Ohio Water Company

    EIN 310530404 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Spartan Boosters Club Attn Mr Mike Burns Trustee

    EIN 341427163 · Headquarters: Mansfield, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Sparwell Farm

    EIN 871654173 · Headquarters: AKRON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Spaulding Foundation

    EIN 311096254 · Headquarters: Cincinnati, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  89. Spaulding-dwntwn Pocatello Pfdn

    EIN 943098511 · Headquarters: BROOKLYN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. Spay Slayers

    EIN 393635660 · Headquarters: Urbana, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Special Events Committee

    EIN 371775244 · Headquarters: Lancaster, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. Special Needs Connect

    EIN 300635665 · Headquarters: Canal Fulton, OH, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  93. Special Olympics Ohio Inc

    EIN 510183468 · Headquarters: WESTERVILLE, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Speerstra Peter & Evelyn Tr

    EIN 386480250 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Spencer Historical Society

    EIN 341296919 · Headquarters: Spencer, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Spencer Township Fire Fighters Association

    EIN 651232228 · Headquarters: Holland, OH, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  97. Spencer-holman Lodge 738 Knights of Pythias

    EIN 460905852 · Headquarters: Spencer, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Spencerville-jennings P T O Inc

    EIN 341887864 · Headquarters: Spencerville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Spiderweb Inc

    EIN 341335489 · Headquarters: JEFFERSON, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Spina Bifida Assoication of Canton Ohio

    EIN 341328103 · Headquarters: North Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages