| Norton Elementary Parent Advisory CommitteeNorton | Form 990-EZ | $22,637FY2026 |
| Tinora Boosters Club IncDefiance | Form 990-EZ | $22,597FY2025 |
| Botkins Music BoostersBotkins | Form 990-N | No figure |
| Seaborn Home and School AssociationMineral Ridge | Form 990-EZ | $22,464FY2025 |
| The Rossford Athletic Boosters ClubRossford | Form 990-N | No figure |
| Young Scientist FoundationCleveland | Form 990-N | No figure |
| Friends of the Gates Mills Public LibraryGates Mills | Form 990-N | No figure |
| Cleveland Italian Scholarship ClubCleveland | Form 990-EZ | $21,715FY2024 |
| Homegrown AllianceBlanchester | Form 990-N | No figure |
| Brunswick Rotary Foundation IncBrunswick | Form 990-N | No figure |
| Parent-Teacher Organization of Mill Valley Elem SchoolMarysville | Form 990-N | No figure |
| Professional Training Centers IncNorth Ridgeville | Form 990-N | No figure |
| Global Bhutanese Organization-GboCincinnati | Form 990-N | No figure |
| Canal Winchester Elementary Schools PTO IncCanal Winchester | Form 990-N | No figure |
| St Marys Roughrider Football Parents IncSaint Marys | Form 990-EZ | $20,510FY2025 |
| Hardin Northern Athletic BoostersKenton | Form 990-EZ | $20,385FY2025 |
| Build My Future Central OhioGahanna | Form 990-N | No figure |
| Friends of the Buckeye Lake Library IncBuckeye Lake | Form 990-N | No figure |
| St Vincent Alumni Association of Graduate Nurses of Toledo OhioToledo | Form 990 | $20,102FY2025 |
| Paulding Exempted Character Academy IncPaulding | Form 990-N | No figure |
| Bryant Beans Butt IncChillicothe | Form 990-N | No figure |
| Chardon Man Up ClubChardon | Form 990-N | No figure |
| On Target Outfitters Foundation IncCanfield | Form 990-N | No figure |
| Inspire Girls AcademySolon | Form 990-N | No figure |
| Fredericktown Athletic Boosters ClubFredericktown | Form 990-EZ | $19,723FY2025 |
| Ulaa Social Services Health and Educational FoundationGroveport | Form 990-N | No figure |
| The Grand Lake Area Literature Festival IncSaint Marys | Form 990-N | No figure |
| Versailles Parent Teacher OrganizationBradford | Form 990-EZ | $19,102FY2026 |
| Building Industry Association of Central Ohio Foundation IncColumbus | Form 990-N | No figure |
| Hope Learning Academy FoundationSylvania | Form 990-N | No figure |
| Downtowners IncColumbus | Form 990-N | No figure |
| Shoreland Mothers ClubToledo | Form 990-EZ | $18,566FY2026 |
| Fairfield West Elementary Parents & Teachers for ChildrenFairfield | Form 990-N | No figure |
| North Canton City Schools FoundationNorth Canton | Form 990-N | No figure |
| Pike Christian Academy FoundationWaverly | Form 990-N | No figure |
| Salineville Southern Alumni Community Scholarship FoundationSalineville | Form 990-N | No figure |
| McMsa FoundationDayton | Form 990-N | No figure |
| Bunsold Monarch Athletic AssociationMarysville | Form 990-EZ | $18,277FY2025 |
| Cmul Alumni AssociationProctorville | Form 990-N | No figure |
| Deloris C Parsons Endowment FundKirtland | Form 990-EZ | $18,017FY2025 |
| HS & C Home Community & Schools Impact IncCincinnati | Form 990-N | No figure |
| American Watchmakers Institute Educational Libr and Muse CharHarrison | Form 990-N | No figure |
| BBB Community Partnership FoundationToledo | Form 990-EZ | $17,287FY2025 |
| Youth & Senior Connections IncCleveland | Form 990-N | No figure |
| Ohio Post 194 Education CorpMason | Form 990-N | No figure |
| Northwest Ohio Educational Technology FoundationBowling Green | Form 990-N | No figure |
| Allen East Music AssociationHarrod | Form 990-EZ | $16,789FY2025 |
| Lakota CapeRisingsun | Form 990-N | No figure |
| Hubbard Elementary School Parents AssociationHubbard | Form 990-EZ | $16,110FY2025 |
| Sabina Elementary PTOSabina | Form 990-N | No figure |