| University of Dayton | 501(c)(3) | 1976 | $947.2 million | $2.29 billion | 2025-06 |
| Wright State University Foundation Inc | 501(c)(3) | 1969 | $22.3 million | $192.6 million | 2025-06 |
| Deca Prep Inc | 501(c)(3) | 2012 | $16.5 million | $19.5 million | 2025-06 |
| Preschool Promise Inc | 501(c)(3) | 2018 | $11.2 million | $5.6 million | 2025-12 |
| Alliance Community Schools Inc | 501(c)(3) | 1998 | $10.2 million | $3.4 million | 2025-06 |
| Klepinger Community School | 501(c)(3) | 2010 | $7.9 million | $15.7 million | 2025-06 |
| Richard Allen Preparatory Inc | 501(c)(3) | 2001 | $6.9 million | $5.3 million | 2025-06 |
| Dayton Early College Academy Inc | 501(c)(3) | 2007 | $6.9 million | $23.8 million | 2025-06 |
| Learn To Earn Dayton | 501(c)(3) | 2016 | $5.7 million | $4.8 million | 2025-06 |
| Trotwood Preparatory and Fitness Academy | 501(c)(3) | 2006 | $5.6 million | $170,052 | 2025-06 |
| Liberty High School | 501(c)(3) | 2018 | $5.6 million | $8.3 million | 2025-06 |
| Sinclair Community College Foundation | 501(c)(3) | 1969 | $5.5 million | $50.7 million | 2025-06 |
| Horizon Science Academy Dayton High School | 501(c)(3) | 2010 | $4.1 million | $8.4 million | 2025-06 |
| Crayons To Classrooms | 501(c)(3) | 2008 | $3.9 million | $4.6 million | 2025-12 |
| Montgomery Preparatory Academy | 501(c)(3) | 2019 | $3.1 million | $1.3 million | 2025-06 |
| Horizon Science Academy-Dayton | 501(c)(3) | 2006 | $3.1 million | $6 million | 2025-06 |
| Horizon Science Academy Dayton Downtown Inc | 501(c)(3) | 2011 | $2.9 million | $2.9 million | 2025-06 |
| Richard Allen Academy Inc | 501(c)(3) | 2000 | $2.7 million | $2.1 million | 2025-06 |
| City Day Community School | 501(c)(3) | 1999 | $2.5 million | $1.7 million | 2025-06 |
| Gem City Career Prep High School | 501(c)(3) | 2009 | $2.5 million | $1.2 million | 2025-06 |
| Dayton Career Tech High School | 501(c)(3) | 2025 | $2.5 million | $2.5 million | 2025-06 |
| Ohio Institute of Allied Health Inc | 501(c)(3) | 2011 | $2 million | $909,226 | 2023-06 |
| Arcade Innovation Hub LLC | 501(c)(3) | 2020 | $2 million | $4 million | 2024-12 |
| Dayton Smart Elementary School | 501(c)(3) | 2014 | $1.9 million | $265,293 | 2025-06 |
| Dayton Business Technology High School | 501(c)(3) | 2008 | $1.9 million | $3.1 million | 2025-06 |
| Centerville Schools Booster Club Inc | 501(c)(3) | 1992 | $1.8 million | $1.1 million | 2025-05 |
| Miami Valley Academies | 501(c)(3) | 2007 | $1.7 million | $1.1 million | 2025-06 |
| Five Rivers Career Prep High School | 501(c)(3) | 2020 | $1.3 million | $665,511 | 2025-06 |
| Ohio Head Start Association Inc | 501(c)(3) | 2023 | $1.3 million | $2 million | 2025-12 |
| Dayton Electical Joint Apprentice Committee | 501(c)(3) | 1999 | $1.3 million | $2.2 million | 2025-09 |
| Dayton Masonic Foundation | 501(c)(3) | 1993 | $1.1 million | $8 million | 2025-07 |
| Wesley Community Center Inc | 501(c)(3) | 2003 | $1 million | $829,610 | 2024-06 |
| Gloria Dei Montessori School | 501(c)(3) | 1963 | $767,770 | $414,961 | 2025-06 |
| Precious Life Center | 501(c)(3) | 2012 | $717,983 | $2.1 million | 2025-12 |
| Southern Ohio Pga Golf Foundation | 501(c)(3) | 2010 | $707,488 | $420,196 | 2024-12 |
| Brunner Literacy Center | 501(c)(3) | 2011 | $700,560 | $5.5 million | 2024-12 |
| Huber Heights Athletic Foundation | 501(c)(3) | 1986 | $659,287 | $1.6 million | 2025-10 |
| Beavercreek Music Parents Assoc Inc | 501(c)(3) | 1999 | $607,076 | $518,554 | 2025-06 |
| Drma Foundation | 501(c)(3) | 2002 | $477,170 | $444,006 | 2024-12 |
| A Great Start Preschool Inc | 501(c)(3) | 2005 | $464,627 | $97,310 | 2025-12 |
| Southwestern Ohio Instructional Technology Association Inc | 501(c)(3) | 1991 | $410,230 | $304,173 | 2025-06 |
| Dayton Metro Library Foundation | 501(c)(3) | 2014 | $376,254 | $2.2 million | 2024-12 |
| The Seedling Foundation of Dayton Ohio | 501(c)(3) | 1999 | $312,651 | $2.1 million | 2023-06 |
| Wright Memorial Chapter 212 Air Force Association Inc | 501(c)(3) | 2026 | $303,226 | $73,455 | 2025-12 |
| Dayton International School | 501(c)(3) | 2011 | $261,771 | $155,111 | 2025-06 |
| International Center for Academic Integrity | 501(c)(3) | 2018 | $228,629 | $291,221 | 2024-12 |
| Reformation Classical Academy of Dayton | 501(c)(3) | 2023 | $214,777 | $2,004 | 2025-06 |
| Faith Pre-School | 501(c)(3) | 1979 | $201,844 | $158,294 | 2024-12 |
| Engineers Club of Dayton Foundation | 501(c)(3) | 1972 | $197,150 | $1.7 million | 2025-05 |
| East Central Province | 501(c)(7) | 2024 | $183,495 | $76,956 | 2025-09 |
| Gabriel Sgo Inc | 501(c)(3) | 2022 | $159,440 | $119,225 | 2025-12 |
| El Puente Educational Center Inc | 501(c)(3) | 2013 | $140,072 | $104,308 | 2025-06 |
| All Ohio P E T S Inc | 501(c)(4) | 2026 | $120,775 | $43,088 | 2026-06 |
| Dayton Reformation Scholarship Granting Organization | 501(c)(3) | 2022 | $91,267 | $62,040 | 2025-12 |
| Wright Way Foundation Inc | 501(c)(3) | 2015 | $71,300 | $8,715 | 2024-12 |
| C J Francis III Foundation | 501(c)(3) | 1993 | $70,704 | $227,101 | 2025-10 |
| Instructional Technology Integration Partnership of Ohio in | 501(c)(3) | 2013 | $69,670 | $15,093 | 2025-06 |
| Walter E Stebbins Athelic Booster Club-Abc | 501(c)(3) | 1995 | $56,869 | $38,786 | 2026-05 |
| Panther North Pto | 501(c)(3) | 2008 | $51,469 | $25,349 | 2025-07 |
| Mechanical Systems Mini University | 501(c)(3) | 2017 | $49,571 | $217,097 | 2025-06 |
| Sophia Learning Center | 501(c)(3) | 2022 | $49,017 | $0 | 2025-12 |
| Nfba Foundation Inc | 501(c)(3) | 2023 | $41,811 | $42,659 | 2024-12 |
| McMsa Foundation | 501(c)(3) | 1980 | $18,356 | $175,394 | 2025-06 |
| Good Hood Foundation | 501(c)(3) | 2021 | $10,000 | $1,225 | 2025-12 |
| Stemnasium of Indianapolis Inc | 501(c)(3) | 2021 | $850 | $289 | 2024-12 |
| 3-Club Linguini Open | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Alpha Sigma Phi Fraternity Inc | 501(c)(7) | 1941 | $0 | $0 | 2024-06 |
| American Orphan Association Inc | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| American Sign Language Instructors Network | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bankruptcy Bench-Bar Conference of the Southern District of Ohio Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Bold Believers Community Involvement Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Boonshoft Pride | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Camp Mustache | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Centerville Safe Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-10 |
| Chenaulte Parent Association | 501(c)(3) | 2022 | $0 | $0 | 2026-05 |
| Collective Within Training Center I NC | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Community Christian Learning Center | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Consortium of Supply Chain & Operations Management | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Dayton Alumni Chapter of Kappa Alpha Psi | 501(c)(3) | 2023 | $0 | $0 | 2024-09 |
| Dayton Metro Library Finance Department | 501(c)(3) | 1998 | | | |
| Dayton Police History Foundation Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Del-Sig Foundation Incorporated | 501(c)(3) | 2012 | $0 | $0 | 2025-06 |
| Dental Anthropology Association | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Dr John Hole Parent Teacher Organization | 501(c)(3) | 2006 | $0 | $0 | 2026-06 |
| Dream Bigg Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Driscoll Elementary Pto Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Eastmont Pto | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Emmanuel Sanders Foundation Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Engage High School | 501(c)(3) | 2026 | | | |
| Friends of the Washington- Centerville Public Library | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Fuel Em Foundation | 501(c)(3) | 2026 | | | |
| Future of Haiti Foundation | 501(c)(3) | 2026 | | | |
| Gem City Clubhouse | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Gem City Poodles Foundation Incorporated | 501(c)(3) | 2025 | | | |
| Greenmont Elementary Pto | 501(c)(3) | 2024 | $0 | $0 | 2025-07 |
| Help Us Read | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Hillel Academy of Dayton Ohio | 501(c)(3) | 1956 | | | |
| Immaculate Heart Co-Opportunity Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Impact Dayton | 501(c)(3) | 2024 | | | |
| Incourage Homeschoolers of the Miami Valley | 501(c)(3) | 2015 | $0 | $0 | 2026-05 |
| J E Prass Elementary Pto | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Jackson & Johnson Family Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Jeff Kennard Memorial Scholarship Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| John E Smith Pto | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| John F Kennedy Pto | 501(c)(3) | 2006 | $0 | $0 | 2026-06 |
| Junior Leaguers Club of Dayton | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kiser High School Alumni Association | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Kurt E & Lois J Wallach Foundation | 501(c)(3) | 1999 | | $5,950 | 2025-12 |
| L A L A Nonprofit Org | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Lafferty Charitable Foundation | 501(c)(3) | 2004 | | $1 | 2025-12 |
| Legacy Financial University | 501(c)(3) | 2024 | | | |
| Lynspire | 501(c)(3) | 2026 | | | |
| Madden Womens Association | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| McClendon Institute for Learning | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Miami Valley Communication Arts Inclusive Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Miami Valley Ohio Fisk Alumni Club LLC | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Mighty Marching Bison Parent Booster Club | 501(c)(3) | 2025 | | | |
| Miles for Mason Nemaline Myopathy | 501(c)(3) | 2025 | | | |
| Mission of Sight | 501(c)(3) | 2008 | | | |
| Mt Moriah Community Development Corporation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| National Black Mba Association Dayton Chapter Inc | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| National Supreme Council | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Need To Read | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Next Explorers | 501(c)(3) | 2026 | | | |
| Normandy Elementary Parent Teacher Organization | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Northridge Fine Arts Boosters | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Ohio Association of Higher Education and Disability Inc | 501(c)(3) | 2025 | $0 | $0 | 2024-06 |
| Ohio Music Teachers Association Western District | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Ohio Pi Chapter of the Sigma Phi Epsilon Fraternity | 501(c)(7) | 2024 | $0 | $0 | 2025-06 |
| On Purpose Prepatory | 501(c)(3) | 2026 | | | |
| Phi Sigma Rho National Sorority | 501(c)(7) | 2010 | $0 | $0 | 2025-12 |
| Positive Flow for All People Org | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Progressive Womens Club Foundation | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Project Read Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| Purdue Club of Greater Dayton | 501(c)(3) | 1999 | $0 | $0 | 2025-06 |
| Rainbow Elder Care of Greater Dayton | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Stem Talent Development Complex Man Agement Inc | 501(c)(3) | 2026 | | | |
| Stivers Alumni Association Scholars Hip Fund | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Sumlin Sisters Incorporated | 501(c)(3) | 2007 | | | |
| The 1965 Foundation | 501(c)(3) | 2026 | | | |
| The Iota Psi Alumni Association | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Valor Montessori Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-07 |
| Walpurgis Words for Literacy | 501(c)(3) | 2026 | | | |
| Whispering Willow Academy | 501(c)(3) | 2024 | | | |