| New London Park Improvement CorporationNew London | Form 990 | $225,778FY2024 |
| Dayton Ice Hounds Youth HockeySpringboro | Form 990 | $225,319FY2025 |
| Huron County Youth Soccer ClubNorwalk | Form 990 | $223,412FY2024 |
| Kettering Parks FoundationKettering | Form 990 | $222,517FY2025 |
| Parents of Wrestlers Encouraging Results IncMarysville | Form 990 | $222,038FY2025 |
| Neurofit Gym IncHamilton | Form 990 | $221,294FY2025 |
| Lakota Thunderbird Youth BasketballLiberty Township | Form 990 | $220,688FY2025 |
| Centerville Hustle Basketball Club IncDayton | Form 990 | $217,466FY2025 |
| Copley Adult All Sports Boosters ClubCopley | Form 990 | $216,794FY2025 |
| United States Karaoke AssociationDublin | Form 990 | $216,541FY2025 |
| Nwo Lady Irish Fastpitch Softball IncToledo | Form 990 | $215,318FY2025 |
| Cincinnati Recreation Commission FoundationCincinnati | Form 990 | $214,853FY2024 |
| Spiketown IncSouth Salem | Form 990 | $214,373FY2025 |
| AquamissionsBay Village | Form 990 | $213,943FY2025 |
| Liberty-Benton Soccer Association IncFindlay | Form 990 | $213,259FY2024 |
| Little Miami Youh Soccer Association IncMorrow | Form 990 | $213,123FY2024 |
| Great Lakes Wrestling FoundationAvon | Form 990 | $211,976FY2024 |
| North Royalton Soccer ClubNorth Royalton | Form 990 | $211,401FY2024 |
| Hockey Players in Business IncMentor | Form 990 | $210,301FY2025 |
| All-Ohio Basketball Program IncPickerington | Form 990 | $210,090FY2025 |
| Phoenix Rising Together IncAkron | Form 990 | $210,000FY2024 |
| Olentangy Rowing Club IncWorthington | Form 990 | $209,447FY2025 |
| Youth and Adult Community Association of Sandusky CountyFremont | Form 990 | $208,962FY2025 |
| Amanda Clearcreek Athletic BoostersAmanda | Form 990 | $208,810FY2024 |
| Dayton Metro Youth Basketball IncDayton | Form 990 | $208,074FY2025 |
| Miracle League of Lake CountyMentor | Form 990 | $208,057FY2025 |
| Ohio South State Referee CommitteeCincinnati | Form 990 | $207,403FY2025 |
| Grasshoppers FC CorpLewis Center | Form 990 | $207,115FY2025 |
| Waynedale Baseball Diamond ClubApple Creek | Form 990 | $206,160FY2025 |
| Canton-Akron Hockey AssociationNorth Canton | Form 990 | $205,598FY2026 |
| Three Rivers Community Athletic AssociationCleves | Form 990 | $205,453FY2024 |
| Ohio Association of Track & Cross Country CoachesPowell | Form 990 | $205,447FY2025 |
| Blue Chips Public Relations IncBlacklick | Form 990 | $204,923FY2025 |
| River View Athletic BoostersWarsaw | Form 990 | $203,275FY2024 |
| Little League Baseball IncWooster | Form 990 | $202,908FY2025 |
| Portage Park District FoundationStreetsboro | Form 990 | $202,168FY2025 |
| Hocking Valley Gymnastics Boosters Organization IncLancaster | Form 990 | $202,041FY2025 |
| Ohio Thunder YbPowell | Form 990 | $201,228FY2025 |
| Indian Hill Schools Boosters AssociationCincinnati | Form 990 | $200,876FY2026 |
| Vermilion Schools Athletic Boosters IncVermilion | Form 990 | $199,559FY2025 |
| Zanesville Soccer and Riverside Park Improvement AssociationZanesville | Form 990 | $199,459FY2025 |
| Ohio BlastMineral Ridge | Form 990-EZ | $197,479FY2025 |
| Elyria Ice Hockey Boosters Club IncElyria | Form 990 | $197,415FY2025 |
| Nick Tisone BaseballYoungstown | Form 990-EZ | $197,384FY2023 |
| Bath Sports Boosters Association IncLima | Form 990 | $197,196FY2025 |
| Twinsburg Athletic Club Soccer Association IncTwinsburg | Form 990-EZ | $196,897FY2025 |
| Delphos Canal DaysDelphos | Form 990-EZ | $196,844FY2024 |
| Bexley Boosters IncBexley | Form 990 | $196,145FY2026 |
| Canfield Athletic Boosters IncCanfield | Form 990 | $195,784FY2025 |
| Springboro-Clearcreek Baseball Association IncSpringboro | Form 990 | $194,319FY2024 |