| North Central College | 501(c)(3) | 1940 | $160.1 million | $377.2 million | 2025-06 |
| Communications Network | 501(c)(3) | 1999 | $3 million | $7.1 million | 2025-12 |
| Covenant Classical School | 501(c)(3) | 2010 | $1.9 million | $1.5 million | 2025-06 |
| Naperville Christian Academy | 501(c)(3) | 2001 | $1.6 million | $281,646 | 2025-06 |
| Naperville Education Foundation | 501(c)(3) | 1992 | $893,305 | $3.3 million | 2025-06 |
| Kidsmatter Foundation Inc | 501(c)(3) | 2002 | $864,864 | $725,950 | 2024-12 |
| The Wong Center for Education | 501(c)(3) | 2016 | $699,280 | $109,302 | 2025-03 |
| Naperville District 203 General Home & School Association | 501(c)(3) | 1997 | $622,543 | $708,066 | 2025-06 |
| Ray Chinese School | 501(c)(3) | 1997 | $552,538 | $915,601 | 2025-06 |
| Illinois Digital Educators Alliance | 501(c)(3) | 1991 | $495,048 | $452,218 | 2025-06 |
| Ascend1 | 501(c)(3) | 2018 | $432,041 | $851,134 | 2025-12 |
| Hobson Cooperative Nursery School | 501(c)(3) | 1967 | $345,181 | $681,295 | 2025-06 |
| Connor Hunt Memorial Foundation | 501(c)(3) | 2018 | $302,919 | $152,999 | 2025-12 |
| Illinois Conservatory for the Arts | 501(c)(3) | 2021 | $269,459 | $6,134 | 2025-06 |
| Attune To Grow Inc | 501(c)(3) | 2021 | $181,615 | $59,956 | 2024-12 |
| Oli Gardens Inc | 501(c)(3) | 2016 | $149,408 | $82,084 | 2025-12 |
| Naperville Youth Club | 501(c)(3) | 2022 | $127,369 | $18,539 | 2025-12 |
| Illinois Science Olympiad | 501(c)(3) | 1996 | $124,428 | $150,120 | 2025-06 |
| Tke Delta Nu Alumni Association Corp | 501(c)(7) | 2020 | $123,994 | $137,893 | 2024-12 |
| Haiti Scholars Inc | 501(c)(3) | 2018 | $119,771 | $58,543 | 2025-07 |
| U4uganda | 501(c)(3) | 2012 | $116,570 | $5,004 | 2025-12 |
| Orchestra Parents-Patrons United Support | 501(c)(3) | 2001 | $92,996 | $215,946 | 2025-05 |
| Muthusami Paravel Foundation | 501(c)(3) | 2019 | $90,001 | $103,378 | 2024-12 |
| American Initiative for Education in India Inc | 501(c)(3) | 2014 | $80,478 | $193,573 | 2025-12 |
| Aahan Foundation Inc | 501(c)(3) | 2025 | $77,677 | $59,222 | 2025-12 |
| Neuqua Valley High School Booster Club | 501(c)(3) | 2000 | $60,869 | $79,908 | 2025-06 |
| Illinois Congress of Parents and Teachers | 501(c)(3) | 1989 | $60,805 | $8,806 | 2025-06 |
| Music Education Advocates Coalition | 501(c)(3) | 2005 | $49,999 | $109,260 | 2024-06 |
| Naperville Chinese School | 501(c)(3) | 1997 | $48,947 | $141,199 | 2025-06 |
| Falak Education Society Inc | 501(c)(3) | 2002 | $43,094 | $165,379 | 2024-12 |
| Sango Association | 501(c)(3) | 2006 | $32,754 | $166,722 | 2025-12 |
| Associated Colleges of the Chicago Area | 501(c)(3) | 2021 | $28,070 | $39,917 | 2025-08 |
| Winged Foot Foundation | 501(c)(3) | 2009 | $14,123 | $74,840 | 2025-12 |
| Han Academy Naperville | 501(c)(3) | 2015 | $10,400 | $38,488 | 2026-08 |
| Youth Voices NFP | 501(c)(3) | 2021 | $10,397 | $4,646 | 2025-12 |
| Dupage Montessori School Inc | 501(c)(3) | 1988 | $7,151 | $87,204 | 2023-12 |
| Team Tutors 204 Organization | 501(c)(3) | 2024 | $1,915 | $1,206 | 2026-06 |
| Agaram Tamil Academy | 501(c)(3) | 2024 | | $1 | 2024-12 |
| American Association of Blacks in Energy Chicago Metropolitan Chapte | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| American Asssociation of University Women | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| Association for Lifelongcommunicators NFP | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Association of Illinois Middle Level Schools | 501(c)(3) | 1990 | $0 | $0 | 2026-06 |
| Bac Education Fund NFP | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Balaji Rengamannar and Balageetha Subbarayan Foundation NFP | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Cherukonda Institute | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Chicago Gifted Community Center | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Chicago Knights Foundation | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Compass for Equitable Learning Init Iative Inc | 501(c)(3) | 2026 | | | |
| Consortium of Illinois Language Schools | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Council of Chiefs NFP | 501(c)(3) | 2013 | $0 | $0 | 2024-12 |
| Counteractionorg | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Delta Phi Omega | 501(c)(7) | 2016 | $0 | $0 | 2025-12 |
| Dr Rubins Mini Medical School | 501(c)(3) | 2019 | | $204,862 | 2025-12 |
| Dupage Friends of Extension | 501(c)(3) | 2002 | $0 | $0 | 2026-06 |
| Eastern Great Lakes of the Society of Nuclear Medicine Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Elevated By Love Ministries Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Emilia Foundation | 501(c)(3) | 2011 | $0 | $0 | 2026-06 |
| Empower Futurewave Foundation | 501(c)(3) | 2024 | $0 | $0 | 2025-03 |
| En Espanol Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Esyse Somos Foundation Inc | 501(c)(3) | 2025 | | | |
| First Light Pathways | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Frimpong Family Foundation | 501(c)(3) | 2025 | | | |
| Ghana Real Estate Professionals Association | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Global Learning and Leadership | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Global Momentum Shifts NFP | 501(c)(3) | 2025 | $0 | $0 | 2025-03 |
| Global Scholar Education Network | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Gopal Padma Foundation | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Hersey Deaf Alumni Association | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Holistic Visions Learning Cooperative | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Horizon Robotics Academy | 501(c)(3) | 2022 | | $5 | 2025-12 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2026-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2026-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2025-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2026-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2025-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2025-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2026-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2025-06 |
| Illinois Congress of Parents Teachers | 501(c)(3) | 1989 | $0 | $0 | 2025-06 |
| Illinois Society of Healthcare Risk Management | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Indian Children Cultural Association | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Institute for Human Resource Development Corporation | 501(c)(3) | 1990 | $0 | $0 | 2025-12 |
| JK Vetter Corp NFP | 501(c)(3) | 2017 | | $1,749 | 2018-12 |
| Jumping Off the Page | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Kellogg Alumni Club - Suburban Chicago | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Kenec Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kisat Diabetes Organization | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Kyle Zuleg Foundation | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Matt Burke Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| My Book Wish | 501(c)(3) | 2026 | | | |
| Naperville Christian Academy Property Foundation | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Naperville North Football Family NFP | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Naperville Rotary Charities Inc | 501(c)(3) | 1995 | | $13 million | 2024-12 |
| Northern California Chapter Society of Nuclear Medicine | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Northern Illinois School Safety Administrators Association | 501(c)(3) | 2024 | | | |
| Nu Rho Psi-The National Honor Society in Neuroscience | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Omicron Kappa Upsilon Honorary Dental Society | 501(c)(6) | 1972 | $0 | $0 | 2023-12 |
| Ornamental Turners International Inc | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Pacific Northwest Chapter Snmmi Inc | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | | | |
| Pathway of Prosperity Inc | 501(c)(3) | 2025 | | | |
| Polish Womens Alliance of America Charitable and Educ Foundation | 501(c)(3) | 2002 | | $280,369 | 2025-07 |
| Poudemen Inc | 501(c)(3) | 2025 | | | |
| Prairie Paideia Learning Center | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Proprietary High School Alumni Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rising To Heal | 501(c)(3) | 2026 | | | |
| Robert J Peot Foundation Inc | 501(c)(3) | 2001 | | $163,307 | 2025-11 |
| SMT Aruna Devi & Sri Venkateswara Rao Vemula Charitable Foundation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Sangam SDS Chhabra Charitable Group Inc | 501(c)(3) | 2015 | | $2,098 | 2025-12 |
| School of Science and Ancient Literature | 501(c)(3) | 2024 | | | |
| Seven Seas Institute of Chinese Calligraphy | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Shining Star Productions | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Smi Caregiver Academy Inc | 501(c)(3) | 2025 | | $14,116 | 2025-12 |
| Southern California Chapter Society of Nuclear Medicine | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Spirited Pearls Foundation | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Stem Quest NFP | 501(c)(3) | 2025 | | | |
| Steven Dimas Family Scholarship Foundation | 501(c)(3) | 2022 | | $47,985 | 2024-12 |
| Taj Mazhar Charitable Foundation | 501(c)(3) | 1998 | | $202,668 | 2025-12 |
| The Angel Projects of America | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| The Finance Compass | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| The Friends of the Lisle Public | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| The@ai Playground | 501(c)(3) | 2026 | | | |
| Together We Rock Life Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Top Ladies of Distinction Inc | 501(c)(3) | 1974 | | | |
| Tuff Ai Learning Academy Foundation | 501(c)(3) | 2026 | | | |
| United Chinese Alumni Association in Midwest America | 501(c)(3) | 2021 | | $2,020 | 2024-12 |
| Uttarakhand Association of Chicago | 501(c)(3) | 2025 | | | |
| Vasudeva Kriya Yoga-Usa | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Wildcat Summer Stem | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Young Innovator Institute | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |