| Ohio High School Athletic Association | 501(c)(3) | 1942 | $24.5 million | $22.8 million | 2025-07 |
| Fugees Family Inc | 501(c)(3) | 2006 | $4.2 million | $29.4 million | 2025-06 |
| Direct Instructional Support Systems Inc | 501(c)(3) | 1990 | $4 million | $3.5 million | 2024-12 |
| Capital City Aviation Inc | 501(c)(7) | 2013 | $2.9 million | $84,294 | 2024-12 |
| Swim and Racquet Club | 501(c)(4) | 1963 | $1.4 million | $3.7 million | 2025-10 |
| Oahc Inc | 501(c)(3) | 2022 | $1.2 million | $1.3 million | 2025-12 |
| Columbus Flying Club | 501(c)(7) | 2020 | $1.1 million | $267,220 | 2025-12 |
| Ohio Farm Bureau Foundation Inc | 501(c)(3) | 2002 | $1.1 million | $7.3 million | 2025-12 |
| Rapid 5 Project | 501(c)(3) | 2022 | $1 million | $1.2 million | 2025-06 |
| Final Third Foundation | 501(c)(3) | 2018 | $930,001 | $155,370 | 2025-05 |
| Columbus Metropolitan Club Inc | 501(c)(3) | 1977 | $734,538 | $1.5 million | 2025-08 |
| 2ND & 7 Foundation | 501(c)(3) | 2002 | $723,214 | $1.4 million | 2025-12 |
| Northwest Swim Club Inc | 501(c)(7) | 2020 | $711,950 | $561,024 | 2025-12 |
| Canonsburg Corporation | 501(c)(7) | 2008 | $465,550 | $1.1 million | 2024-12 |
| Upper Arlington Crew Inc | 501(c)(3) | 1997 | $427,393 | $238,590 | 2025-06 |
| United States Bowling Congress Inc | 501(c)(3) | 2004 | $324,999 | $358,414 | 2025-07 |
| Columbus Curling Club Inc | 501(c)(3) | 2006 | $319,292 | $1.4 million | 2025-06 |
| Upper Arlington Ice Hockey Association | 501(c)(3) | 2009 | $300,697 | $112,412 | 2026-06 |
| Alpha Theta House Corporation of Delta Gamma | 501(c)(7) | 2008 | $293,538 | $554,589 | 2025-06 |
| Asian Festival Corporation | 501(c)(3) | 2004 | $285,938 | $997,706 | 2025-12 |
| Top Bins Foundation | 501(c)(3) | 2025 | $280,729 | $840,331 | 2024-12 |
| Northwest Flyers Inc | 501(c)(7) | 2019 | $259,646 | $74,348 | 2025-12 |
| Columbus Crusaders Youth Sports Inc | 501(c)(3) | 2005 | $234,224 | $106,533 | 2025-12 |
| Upper Arlington Youth Football Association Inc | 501(c)(3) | 2015 | $228,253 | $132,881 | 2025-03 |
| Crew Supporters Union | 501(c)(7) | 2012 | $222,429 | $104,627 | 2024-12 |
| Alpha Eta Rho Inc International Aviation Fraternity | 501(c)(7) | 2014 | $209,711 | $63,021 | 2024-12 |
| Columbus Figure Skating Club Inc | 501(c)(3) | 2011 | $184,269 | $242,095 | 2025-06 |
| Upper Arlington Athletic | 501(c)(3) | 1975 | $178,176 | $42,858 | 2025-07 |
| Upper Arlington Aquatics Boosters | 501(c)(3) | 2020 | $163,168 | $78,568 | 2025-09 |
| 237 Brothers in Taekwondo USA | 501(c)(3) | 2019 | $138,601 | $4,750 | 2025-12 |
| Columbus Softball Association | 501(c)(3) | 2010 | $127,196 | $51,493 | 2024-03 |
| Mustang Baseball of Central Ohio | 501(c)(3) | 2013 | $125,713 | $60,510 | 2025-12 |
| New American Heritage Sports League | 501(c)(3) | 2024 | $106,110 | $57 | 2025-12 |
| Northland Swim Club Inc | 501(c)(3) | 2023 | $96,177 | $7,338 | 2023-12 |
| Columbus Ice Hockey Club Inc | 501(c)(3) | 1999 | $96,004 | $60,907 | 2024-12 |
| Friends of Ohio State Crew | 501(c)(3) | 2001 | $95,593 | $83,061 | 2025-12 |
| Columbus Local Organizing Committee | 501(c)(3) | 2015 | $95,000 | $542 | 2024-12 |
| Columbus United Fencing Club | 501(c)(3) | 2024 | $93,274 | $35,838 | 2025-12 |
| Central Ohio Girls Hockey Association | 501(c)(3) | 2018 | $75,446 | $25,768 | 2025-12 |
| Columbus Park of Roses Foundation Inc | 501(c)(3) | 1973 | $66,649 | $938,397 | 2025-12 |
| Bikes for All People | 501(c)(3) | 2014 | $60,996 | $33,652 | 2024-12 |
| Nationwide Associate Network | 501(c)(7) | 2011 | $60,255 | $963,310 | 2025-12 |
| League of Ohio Sportsmen Foundation | 501(c)(3) | 1980 | $54,628 | $261,435 | 2024-12 |
| Greater Columbus Sports Foundation | 501(c)(3) | 2002 | $53,805 | $349,575 | 2024-12 |
| Friends of Schiller Park | 501(c)(3) | 2019 | $52,576 | $159,363 | 2024-12 |
| Upper Arlington Wrestling Booster Club | 501(c)(3) | 2023 | $48,867 | $45,099 | 2025-04 |
| Upper Arlington Field Hockey Association | 501(c)(3) | 2022 | $47,111 | $58,591 | 2025-12 |
| 50 Plus Recreation Inc | 501(c)(3) | 1994 | $39,391 | $77,919 | 2025-12 |
| Columbus Crew Foundation | 501(c)(3) | 2024 | $38,373 | $181,556 | 2024-12 |
| Columbus Classic Tennis | 501(c)(3) | 2023 | $15,854 | $1,161 | 2024-12 |
| The 1903-1909 Early Ford Registry Inc | 501(c)(3) | 2007 | $1,665 | $23,021 | 2025-12 |
| Academic Team Atthe Ohio State University | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| All City Youth League | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Alpha Iota Chapter of Delta Sigma Phi | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Andy24 | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Archery Club of Ohio State | 501(c)(3) | 2023 | | $7,123 | 2025-06 |
| Beat the Streets - Columbus | 501(c)(3) | 2021 | $0 | $0 | 2026-07 |
| Bexley Boys Youth MS Lacrosse | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Blast FC Foundation | 501(c)(3) | 2021 | | $2,415 | 2025-12 |
| Bluffsview Archery | 501(c)(3) | 2025 | | | |
| Bobcats Fastpitch Club | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Build the Mat Wrestling Club | 501(c)(3) | 2024 | | | |
| Cap City Athletic Association | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Central Ohio Digital Interconnect Group | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Central Ohio Martial Arts Teams | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Central Ohio Pickleball | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Central Ohio Pirates | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Central Ohio Water Polo | 501(c)(3) | 2026 | | | |
| Chaarg | 501(c)(7) | 2022 | $0 | $0 | 2025-12 |
| Chop Organization Corporation | 501(c)(3) | 2024 | $0 | $0 | 2026-01 |
| Clintonville Basketball Association | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Clintonville Moms and Dads Club | 501(c)(7) | 2025 | | | |
| Cmflinden Eagles Association LLC | 501(c)(3) | 2025 | | | |
| Columbus Arfc Inc | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Columbus Castaways Rugby Club | 501(c)(3) | 2018 | $0 | $0 | 2026-05 |
| Columbus Chess Club Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Columbus Coyotes Rugby Football Club | 501(c)(3) | 2014 | $0 | $0 | 2024-06 |
| Columbus Crew Fan Council | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Columbus Legacy Artistic Swimming Club | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Columbus Ohana Cheer | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Columbus Ohio Gay Lesbian Ally Hockey Association | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Columbus Rams Youth Organization Football and Cheer Incorporated | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Columbus Sharks Masters Swim Team | 501(c)(7) | 2014 | $0 | $0 | 2025-05 |
| Columbus Soap Box Derby Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Columbus Sole Survivors | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Columbus Speedskating Club | 501(c)(3) | 2015 | $0 | $0 | 2024-05 |
| Common Threads Quilt Guild Inc | 501(c)(4) | 2002 | $0 | $0 | 2025-12 |
| David Tolani Foundation | 501(c)(3) | 2024 | | | |
| Dfus Blue Camp | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Drop in Foundation | 501(c)(3) | 2025 | | | |
| Dublin Athletic Gear Project | 501(c)(3) | 2026 | | | |
| Eaa9 Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| East Central United States Kendo Federation | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Eastsidelions Corp | 501(c)(3) | 2024 | | | |
| Eddie Rickenbacker Chapter of Ipms USA Incorported | 501(c)(7) | 2009 | $0 | $0 | 2024-12 |
| Extra Mile Athletics | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Foundation for Childrens Services | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Friends of Ohio | 501(c)(3) | 2026 | | | |
| Fund for Sports | 501(c)(3) | 2024 | | | |
| Gladiators Baseball | 501(c)(3) | 2026 | | | |
| Grandview Gators Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Grandview Youth Football Association | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Grandview Youth Wrestling Club | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Groveport Blue Lightning | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Grunk Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hard Fought Sports Fund | 501(c)(3) | 2026 | | | |
| Hilliard Davidson Girls XC Parent Club | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Hillview Tigercats FC Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Indian Lake Trail Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Leading With Love Basketball | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Legends District | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Linda W Daniel Foundation | 501(c)(3) | 2014 | | $27,329 | 2024-12 |
| McCoy 2030 Midwest Booster Club Inc | 501(c)(3) | 2025 | | | |
| Medicine Woods Nature Center | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| Mid Ohio Diver | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Mommy and Me Legacy Foundation | 501(c)(3) | 2026 | | | |
| Muslim Youth Revival | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| National Collegiate Jump Rope Association | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Never Stop Never Quit Foundation | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| New Albany Track Club | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Nexxt Gen Fundraisers of Ohio | 501(c)(3) | 2024 | | | |
| North Columbus Intramural League | 501(c)(3) | 2023 | $0 | $0 | 2025-05 |
| Northland Aquatic Park | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Ohio Chapter | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Ohio Cycling Association Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Ohio Lacrosse Hall of Fame | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Ohio Select | 501(c)(3) | 2026 | | | |
| Ohio Splash | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Ohio State Water Ski Team | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Ohio Valley Filk Fest | 501(c)(7) | 2019 | $0 | $0 | 2024-12 |
| Queer Climbing Columbus Incorporated | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Rebounders Club | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Relentless Rowing Academy | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Reynoldsburg Junior Tennis Club | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ride for Hope | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Rock Climbing Club at Ohio State | 501(c)(3) | 2025 | $0 | $0 | 2026-03 |
| Royal Football Academy | 501(c)(3) | 2026 | | | |
| Safe Space Running | 501(c)(3) | 2026 | | | |
| Sandusky Christmas Market Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Saturday Community Soccer Club | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Scioto Territory Desperados | 501(c)(7) | 1999 | $0 | $0 | 2025-12 |
| Scioto Valley Womens Rugby Club | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Shipwrights of Central Ohio | 501(c)(7) | 2004 | $0 | $0 | 2025-12 |
| Short North Run Club | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Southeast Spirit Boosters | 501(c)(3) | 2024 | | | |
| The Columbus Chapter of Northeasterners Inc | 501(c)(7) | 2020 | $0 | $0 | 2025-06 |
| The Ohio State Figure Skating Club | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Ua Bear Cub Baseball Corporation | 501(c)(3) | 2013 | $0 | $0 | 2023-12 |
| Ua Class of 1973 | 501(c)(7) | 2013 | $0 | $0 | 2024-12 |
| Upper Arlington HS Mens Volleyball Boosters | 501(c)(3) | 2025 | | | |
| Upper Arlington Senior Mens Golf League | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Upper Arlington Softball Association | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Upper Arlington Tennis Foundation Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Upper Arlington Womens Tennis Association | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Valkyries Softball Inc | 501(c)(3) | 2025 | | | |
| Veteran Recreation Ohio | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Village Boys Buckeyes | 501(c)(3) | 2026 | | | |
| Village at Worthington Civic Association | 501(c)(7) | 2018 | $0 | $0 | 2025-06 |
| Volleybears Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Voycenow Foundation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Westerville North Youth Basketball Cheerleading | 501(c)(3) | 2026 | | | |
| Wheels To Wheels Racing Foundation | 501(c)(3) | 2022 | | $12,886 | 2024-12 |
| Worthington Invitational Foundation | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Wrestling Without Borders | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Yap | 501(c)(3) | 1995 | $0 | $0 | 2024-12 |
| Zion Astro FC | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Guild Athletic Club | 501(c)(3) | 2023 | $-740 | $65,166 | 2025-12 |