| Borderline Junior Volleyball IncHamilton | Form 990 | $263,824FY2025 |
| Westlake Soccer AssociationWestlake | Form 990 | $263,170FY2025 |
| Bowling Green Youth Hockey AssociationBowling Green | Form 990 | $263,114FY2025 |
| Keystone Athletic Team Supporters IncLagrange | Form 990 | $261,308FY2025 |
| Sokol Greater Cleveland Gymnastic & Educational OrganizationCleveland | Form 990 | $261,158FY2024 |
| United States Bowling Congress IncCincinnati | Form 990 | $259,353FY2025 |
| Cincinnati Sled HockeyMontgomery | Form 990 | $258,344FY2025 |
| Gahanna Soccer AssociationGahanna | Form 990 | $256,083FY2025 |
| Springboro Cheer ClubDayton | Form 990 | $255,479FY2026 |
| Cultivate YogaAvon | Form 990 | $255,009FY2024 |
| Ohio Youth Rugby AssociationMansfield | Form 990 | $254,737FY2025 |
| Oneteam CFCleveland | Form 990 | $254,730FY2024 |
| United States Bowling Congress IncDayton | Form 990 | $254,621FY2024 |
| Girls on the Run of Northwest OhioToledo | Form 990 | $251,588FY2025 |
| Southern Ohio Collegiate Baseball ClubAthens | Form 990 | $250,838FY2025 |
| Lakewood Athletic Boosters ClubHebron | Form 990 | $250,611FY2025 |
| Jackson Youth Football Association IncCanton | Form 990 | $250,272FY2025 |
| Indian Lake Development CorporationRussells Point | Form 990 | $249,966FY2025 |
| Upper Arlington High School Mens Lacrosse AssociationDublin | Form 990 | $249,742FY2025 |
| Cincinnati West Soccer Club IncCincinnati | Form 990 | $249,719FY2024 |
| Westerville Amateur Soccer Association IncWesterville | Form 990 | $249,507FY2025 |
| Community Recreational Council of Chillicothe OhioChillicothe | Form 990 | $249,029FY2024 |
| Ohio Spikes IncCanton | Form 990 | $248,556FY2025 |
| All Ohio Balloon Festival IncMarysville | Form 990 | $248,328FY2024 |
| Westerville Youth Baseball and Softball League IncWesterville | Form 990 | $247,557FY2024 |
| Baltimore Youth Baseball AssociationBaltimore | Form 990 | $246,099FY2025 |
| Warren Local Athletic BoostersVincent | Form 990 | $245,826FY2024 |
| DOOMMorrow | Form 990 | $243,826FY2025 |
| Firestone Akron Swim TeamAkron | Form 990 | $243,824FY2025 |
| Loudonville Perrysville Booster Club IncLoudonville | Form 990 | $243,344FY2025 |
| Westerville North Athletic Booster Club IncWesterville | Form 990 | $243,200FY2025 |
| Miami Skating Academy ParentsOxford | Form 990 | $241,955FY2025 |
| Camp Obannon of Licking County IncNewark | Form 990 | $241,851FY2025 |
| Aurora Baseball League IncAurora | Form 990 | $241,661FY2025 |
| Cincinnati Curling Club IncWest Chester | Form 990 | $240,493FY2025 |
| Butler United Soccer Club IncVandalia | Form 990 | $238,251FY2024 |
| Lancaster Select Soccer Association IncLancaster | Form 990 | $236,293FY2025 |
| Cardinal Soccer ClubMentor | Form 990 | $236,006FY2024 |
| River Valley Baseball for YouthsCaledonia | Form 990 | $234,680FY2025 |
| Columbus Crusaders Youth Sports IncColumbus | Form 990 | $234,224FY2025 |
| Versailles Girls SoftballVersailles | Form 990 | $233,260FY2025 |
| Sheridan High School Athletic BoostersGlenford | Form 990 | $231,306FY2025 |
| North Shore Volleyball ClubSandusky | Form 990 | $230,988FY2025 |
| Wadsworth Youth Football Booster Club IncWadsworth | Form 990 | $230,354FY2025 |
| Ansonia Foundation IncAnsonia | Form 990 | $230,000FY2025 |
| Concord Girls Softball IncPainesville | Form 990 | $229,972FY2024 |
| Gem City ThrowbacksDayton | Form 990 | $228,637FY2024 |
| Upper Arlington Youth Football Association IncColumbus | Form 990 | $228,253FY2025 |
| Canfield Boys Baseball Club IncCanfield | Form 990 | $228,011FY2025 |
| JB Yeager Baseball IncCleves | Form 990 | $225,778FY2025 |