| Indiana Institute of Technology Inc | 501(c)(3) | 1949 | $144.2 million | $347.8 million | 2025-06 |
| University of Saint Francis of Fort Wayne Indiana Inc | 501(c)(3) | 1946 | $86.3 million | $122.9 million | 2025-04 |
| Canterbury School Inc | 501(c)(3) | 1978 | $16.9 million | $30.8 million | 2025-06 |
| Timothy L Johnson Academy | 501(c)(3) | 2005 | $6.5 million | $2.2 million | 2025-06 |
| Questa Education Foundation Inc | 501(c)(3) | 1951 | $4.8 million | $19.9 million | 2025-06 |
| Taylor University Broadcasting Inc | 501(c)(3) | 2019 | $3.5 million | $4.9 million | 2025-05 |
| Allen County Public Library Foundation | 501(c)(3) | 1984 | $3 million | $26.8 million | 2025-06 |
| Concordia Education Foundation Inc | 501(c)(3) | 1961 | $3 million | $27.9 million | 2025-06 |
| Schools Care Incorporated | 501(c)(3) | 2021 | $2.9 million | $1.4 million | 2025-06 |
| Timothy L Johnson Academy Middle School Inc | 501(c)(3) | 2019 | $2.6 million | $685,478 | 2025-06 |
| Emmanuel Christian School of Fort Wayne Inc | 501(c)(3) | 2023 | $2.1 million | $584,987 | 2025-06 |
| Canterbury School Foundation Inc | 501(c)(3) | 1985 | $1.7 million | $18.2 million | 2025-06 |
| The Literacy Alliance Inc | 501(c)(3) | 1977 | $1.6 million | $945,345 | 2025-08 |
| Universal Education Foundation Offort Wayne Inc | 501(c)(3) | 2007 | $1.1 million | $2.9 million | 2024-12 |
| Life Adult Day Academy | 501(c)(3) | 2014 | $1.1 million | $15,192 | 2025-12 |
| New American Conservatory Inc | 501(c)(3) | 2006 | $876,688 | $354,125 | 2025-06 |
| Mental Health America in Allen County Inc | 501(c)(3) | 2012 | $663,654 | $186,375 | 2025-12 |
| Specialty Tutoring Inc | 501(c)(3) | 1999 | $588,854 | $2.4 million | 2025-12 |
| Core Inc | 501(c)(3) | 2009 | $585,922 | $513,913 | 2023-12 |
| International Association of Bridge Structural Ornamental and | 501(c)(3) | 2009 | $547,878 | $578,150 | 2024-12 |
| Southwest Montessori Academy | 501(c)(3) | 2014 | $500,594 | $940,166 | 2025-06 |
| Carroll High School Instrumental Music Program Inc | 501(c)(3) | 2004 | $474,074 | $148,260 | 2025-06 |
| Lutheran School Services Organization Inc | 501(c)(3) | 2009 | $452,279 | $274,471 | 2025-06 |
| Friends of St Johns Medical College Inc | 501(c)(3) | 1993 | $435,497 | $639,598 | 2024-12 |
| Teach Our Children Fund Inc | 501(c)(3) | 2004 | $319,004 | $130,647 | 2025-06 |
| Grow Allen Inc | 501(c)(3) | 2024 | $317,297 | $153,687 | 2025-12 |
| Madina Village School Inc | 501(c)(3) | 2014 | $299,464 | $981,208 | 2025-06 |
| Classical Roots Christian School Corp | 501(c)(3) | 2024 | $292,026 | $51,536 | 2025-06 |
| Growing Roots Microschool Incorpora Ted | 501(c)(3) | 2026 | $255,960 | $39,372 | 2026-06 |
| Beyond Able Inc | 501(c)(3) | 2022 | $196,932 | $159,128 | 2024-12 |
| East Wayne Street Center Inc | 501(c)(3) | 1984 | $191,281 | $283,331 | 2025-10 |
| Lifeventure Group Incorporated | 501(c)(3) | 2019 | $172,642 | $118,308 | 2025-12 |
| Believe in A Dream | 501(c)(3) | 2012 | $162,438 | $200,010 | 2025-06 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $147,673 | $24,681 | 2026-05 |
| Bridge of Grace Support Corporation | 501(c)(3) | 2024 | $147,292 | $14.2 million | 2025-12 |
| Building A Stronger Family Incorporated | 501(c)(3) | 2025 | $145,373 | $2,498 | 2025-12 |
| Run Hard Rest Well Inc | 501(c)(3) | 2016 | $126,532 | $177,659 | 2025-12 |
| Snider High School Music Boosters Inc | 501(c)(3) | 1988 | $108,916 | $122,032 | 2026-06 |
| New Hope Farms Inc | 501(c)(3) | 2019 | $94,336 | $201,026 | 2025-12 |
| Friends of the Allen County Indiana Public Library Inc | 501(c)(3) | 1983 | $84,212 | $743,732 | 2025-12 |
| Aboite Elementary Parent Teacher Club Inc | 501(c)(3) | 2025 | $73,534 | $38,439 | 2025-06 |
| Anthony Wayne Rotary Charitable Foundation Inc | 501(c)(3) | 2017 | $69,328 | $215,367 | 2025-06 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $67,874 | $82,233 | 2025-12 |
| Friends of the Community School of Tapio Haiti Inc | 501(c)(3) | 2021 | $64,451 | $45,375 | 2025-12 |
| Cedar Canyon Elementary Pto | 501(c)(3) | 2007 | $63,880 | $42,500 | 2025-06 |
| South Side High School Foundation | 501(c)(3) | 1995 | $54,614 | $14,106 | 2025-12 |
| Southwest Allen County Schools Educational Foundation Inc | 501(c)(3) | 2001 | $47,097 | $311,112 | 2025-06 |
| American Association of University Women | 501(c)(4) | 2010 | $27,080 | $311,075 | 2025-06 |
| Covington Elementary Parent-Teacher Club | 501(c)(3) | 2005 | $14,203 | $86,010 | 2026-06 |
| Perry Hill Parent-Teacher Organization | 501(c)(3) | 2025 | $3,404 | $56,038 | 2026-06 |
| Adult Life Training Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Allen County Non-Public School Association | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Alliance for Intercultural Understanding Inc | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| American Association of University Women | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| American Association of University Women Aauw of Fort Wayne Branch | 501(c)(4) | 2018 | $0 | $0 | 2025-06 |
| Appleseed Quilters Guild Inc | 501(c)(3) | 1996 | $0 | $0 | 2025-09 |
| Asa Yoruba Cultural Center Inc | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Aspen Meadow Pto | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Black Excellence Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Black Lutheran Alumni Scholarship Team - Blast | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Brownstown District School Building Corporation | 501(c)(4) | 2003 | | | |
| Burgeoning Community Health Foundation Corp | 501(c)(3) | 2024 | | | |
| Carroll Middle School Pto | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Central Catholic High School Alumni Association Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Central Christian School Inc | 501(c)(3) | 2005 | | | |
| Chargers Rugby Club Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Charly Butcher Scholarship Fund Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| City Motorsport Racing Alliance | 501(c)(3) | 2026 | | | |
| Coach Mike Egts Foundation Inc | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Concordia Educational Association Inc | 501(c)(3) | 1941 | | | |
| Core Leadership Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dana Leroyne Causey Family Empowerment Foundation | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Deer Ridge Elementary Parent Teacher Club | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Denver & Marsha Jordan Educational Foundation Inc | 501(c)(3) | 2017 | | $1.1 million | 2025-06 |
| Dreem Coalition | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Electric Works Public Market Trust Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Emergency Medicine Educational Foundation of Northeast Indiana | 501(c)(3) | 2014 | $0 | $91,839 | 2025-06 |
| Emmary Butler Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Empowerment Through Education Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Financial Semester | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Fort Wayne Central High School Alumni Association Inc | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Fort Wayne Chinese Families and Friends Association | 501(c)(3) | 2014 | $0 | $0 | 2025-10 |
| Fort Wayne Finer Women Society | 501(c)(3) | 2021 | $0 | $0 | 2025-06 |
| Fort Wayne Homeschool Gym | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fort Wayne Women On the Move | 501(c)(3) | 2026 | | | |
| Goldsby Craig Scholarship Foundation | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Haverhill Elementary PTC Inc | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Hickory Center Pto-Parent Teacher Organization | 501(c)(3) | 2000 | $0 | $0 | 2026-06 |
| Holy Trinity Association | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Homestead High School Parents Club | 501(c)(3) | 2006 | $0 | $0 | 2025-06 |
| Humor Association Incorporated | 501(c)(3) | 2024 | $0 | $0 | 2025-01 |
| Indiana Congress of Parents and Teachers Inc | 501(c)(3) | 1988 | $0 | $0 | 2026-06 |
| Indiana Congress of Parents and Teachers Inc | 501(c)(3) | 1988 | $0 | $0 | 2026-06 |
| Indiana Political Science Association Corporation | 501(c)(3) | 2017 | $0 | $0 | 2023-06 |
| Indiana Society of Hispanic Professionals Inc | 501(c)(3) | 2024 | | | |
| Indiana State Medical Association Alliance Incorporated | 501(c)(3) | 2003 | $0 | $0 | 2025-09 |
| International Businessmen Connection Inc | 501(c)(3) | 2012 | $0 | $0 | 2025-10 |
| James Jahrsdoerfer Art Foundation Inc | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Keystone School Inc | 501(c)(3) | 2004 | | | |
| Leighann Palmer Foundation Inc | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Local 166 Scholarship Charitable Trust Fund | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Malpas Trust | 501(c)(3) | 1965 | | $5.3 million | 2026-03 |
| Maple Creek Middle School Parent Teacher Organization | 501(c)(3) | 2013 | $0 | $0 | 2026-06 |
| Motley Society Inc | 501(c)(3) | 2026 | | | |
| Neuman Systems Model Ttee Group Inc | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| New Life Ministries Worship Center of the Apostolic Faith of Ft Wayne | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Northwest Allen County Schools Education Foundation Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Par-Tee Scholarship Golf Tournament | 501(c)(3) | 1995 | $0 | $0 | 2024-12 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-06 |
| Pen and Inkpot Foundation Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Phi Beta Psi Sorority | 501(c)(3) | 2001 | $0 | $0 | 2026-05 |
| Phi Sigma Rho National Sorority | 501(c)(7) | 2010 | $0 | $0 | 2025-12 |
| Pilgrim Progress Community Development Corporation | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Pto Indiana Carroll High School | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Quantum Foundation Inc | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Rock 4 the Rock Ministry Incorporated | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Sirius Readers Inc | 501(c)(3) | 1992 | $0 | $0 | 2025-06 |
| Small Steps Enrichment Programming Inc | 501(c)(3) | 2018 | | | |
| Sonshine Ministries Inc | 501(c)(3) | 2006 | | | |
| South Side High School Alumni Association Inc | 501(c)(3) | 1990 | $0 | $0 | 2026-06 |
| Southeast Area Community Development Corporation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sparks of Promise Foundation Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Summit City Visionaries | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Summit Middle School Parent Teacher Organization | 501(c)(3) | 1994 | $0 | $0 | 2025-06 |
| Summit Springs Inc | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Taylor Chapel School Corporation | 501(c)(3) | 2025 | | | |
| The Lutheran Federal Scholarship Granting Organization of Indiana | 501(c)(3) | 2026 | | | |
| The Northern Indiana Chapter of the Risk Management Associiation Inc | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| The Second Genesis Inc | 501(c)(3) | 2026 | | | |
| The United States Air Force Academy Parents Club of Indiana Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Two Little Mice | 501(c)(3) | 2025 | | | |
| Utare Foundation Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Waynedale Parents and Teachers Association Pta Ptsa | 501(c)(3) | 2013 | $0 | $0 | 2026-06 |
| Wefam Barber College | 501(c)(3) | 2026 | | | |
| Whispering Meadows Parent Teacher Club | 501(c)(3) | 2004 | $0 | $0 | 2026-06 |
| Woodside Middle School Parent Teachers Club | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Youth Education Development Corp | 501(c)(3) | 2026 | | | |
| Zeta Phi Beta Sorority | 501(c)(7) | 1960 | $0 | $0 | 2024-06 |