| Randolph School | 501(c)(3) | 1960 | $30.7 million | $81.5 million | 2025-06 |
| The Valley Foundation | 501(c)(3) | 1976 | $15.9 million | $26.5 million | 2025-09 |
| Ascte Foundation | 501(c)(3) | 2018 | $9.7 million | $63.8 million | 2025-09 |
| Hudsonalpha Foundation | 501(c)(3) | 2011 | $7.8 million | $65.6 million | 2024-12 |
| Free 2 Teach Foundation | 501(c)(3) | 2012 | $2.8 million | $1.5 million | 2025-06 |
| Riley Behavioral and Educational Center | 501(c)(3) | 2007 | $2.6 million | $2.6 million | 2025-09 |
| Liberty Learning Foundation | 501(c)(3) | 2012 | $2.4 million | $816,616 | 2025-06 |
| North Alabama Center for Educational Excellence Inc | 501(c)(3) | 2014 | $2.1 million | $273,537 | 2025-09 |
| Marshall Child Development Center Inc | 501(c)(3) | 1990 | $1.6 million | $329,501 | 2024-12 |
| Huntsville Inner City Learningcenter Inc | 501(c)(3) | 2007 | $1.1 million | $4.1 million | 2024-12 |
| Leadership Greater Huntsville Inc | 501(c)(3) | 2010 | $1.1 million | $1.5 million | 2025-06 |
| North Alabama Homebuilding Academy Inc | 501(c)(3) | 2019 | $963,931 | $761,259 | 2025-09 |
| Rocket City Scholarship Granting Organization Inc | 501(c)(3) | 2014 | $851,435 | $2.1 million | 2026-06 |
| Eo Atlanta Chapter Inc | 501(c)(3) | 2015 | $819,261 | $1.1 million | 2025-06 |
| Noted | 501(c)(3) | 2019 | $791,966 | $14,677 | 2024-12 |
| Islamic Academy of Huntsville | 501(c)(3) | 2025 | $769,536 | $654,192 | 2026-06 |
| Valley Leadership Academy Inc | 501(c)(3) | 2020 | $757,157 | $96,016 | 2025-06 |
| Global Ties Alabama | 501(c)(3) | 2007 | $714,223 | $65,863 | 2025-09 |
| The Schools Foundation Inc | 501(c)(3) | 1991 | $630,960 | $1.1 million | 2025-06 |
| Aum Foundation USA Inc | 501(c)(3) | 2022 | $629,271 | $937,211 | 2024-12 |
| Huntsville Baptist Institute Inc | 501(c)(3) | 1999 | $516,495 | $1.2 million | 2025-07 |
| Institute for Digital Enterprise Advancement | 501(c)(3) | 2021 | $387,568 | $280,017 | 2024-12 |
| The Rotary Club of Huntsville Foundation | 501(c)(3) | 1993 | $296,978 | $2.2 million | 2025-06 |
| Patti Grace Smith Fellowship Foundation | 501(c)(3) | 2024 | $261,405 | $478,536 | 2025-12 |
| Southeast Cyber Security Foundation | 501(c)(3) | 2016 | $240,604 | $165,645 | 2024-12 |
| Little Mountain Forest School | 501(c)(3) | 2021 | $202,163 | $32,171 | 2025-06 |
| Rosetta James Foundation | 501(c)(3) | 2007 | $197,351 | $433,923 | 2025-12 |
| Virgil I Grissom High School Band Parents Inc | 501(c)(3) | 1984 | $192,141 | $137,016 | 2025-05 |
| Huntsville High School Cross Country &TRACK Booster Club | 501(c)(3) | 2011 | $181,492 | $83,660 | 2025-06 |
| HHS Basketball Booster Club | 501(c)(3) | 2024 | $177,239 | $56,734 | 2024-12 |
| Cap & Gown Project | 501(c)(3) | 2016 | $159,392 | $538,490 | 2024-12 |
| Big Red Pride Inc | 501(c)(3) | 2021 | $138,492 | $44,931 | 2024-12 |
| Beacon Christian Academy | 501(c)(3) | 2025 | $131,979 | $21,935 | 2025-12 |
| Pta Alabama Congress | 501(c)(3) | 1951 | $122,059 | $131,495 | 2025-06 |
| Grissom High School Cheerleading Booster Club | 501(c)(3) | 2025 | $113,888 | $11,018 | 2026-03 |
| GHS Baseball Booster Club Inc | 501(c)(3) | 2011 | $111,341 | $70,323 | 2025-07 |
| McClendon-Hill Scholarship Foundation | 501(c)(3) | 2024 | $102,758 | $179,890 | 2025-12 |
| Little River Collective Inc | 501(c)(3) | 2025 | $98,695 | $54,020 | 2025-12 |
| Kwa-Dalizu Foundation | 501(c)(3) | 2025 | $83,742 | $24,743 | 2025-09 |
| Learningquest | 501(c)(3) | 2010 | $82,992 | $252,737 | 2025-12 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $72,072 | $16,832 | 2025-12 |
| Huntsville and Madison County Builders Foundation Inc | 501(c)(3) | 1996 | $70,108 | $774,074 | 2025-12 |
| Mt Carmel Elementary School Pto | 501(c)(3) | 2022 | $65,984 | $20,022 | 2026-06 |
| Grissom Volleyball Boosters | 501(c)(3) | 2021 | $62,000 | $24,734 | 2025-12 |
| South Huntsville Friends of the Library Inc | 501(c)(3) | 2021 | $59,925 | $56,562 | 2025-09 |
| Flyquest Inc | 501(c)(3) | 2013 | $57,497 | $117,593 | 2024-12 |
| Union Chapel Christian Academy Foundation | 501(c)(3) | 2012 | $53,426 | $409,685 | 2024-12 |
| African Childrens Educational Initiative Inc | 501(c)(3) | 2006 | $30,070 | $275,948 | 2025-12 |
| Monrovia Elementary Pto | 501(c)(3) | 2022 | $28,174 | $4,442 | 2026-06 |
| Miles College National Alumni Association Inc | 501(c)(3) | 2008 | $27,498 | $21,066 | 2025-12 |
| Alabama Center for Supply Chain and Manufacturing | 501(c)(3) | 2023 | $23,228 | $669 | 2023-12 |
| Naha Foundation | 501(c)(3) | 2025 | $15,476 | $40,538 | 2024-09 |
| Fountain of Life Community Development Corporation | 501(c)(3) | 2019 | $14,220 | $3,009 | 2025-12 |
| Huntsville Network for Urban School Renewal Inc | 501(c)(3) | 2012 | $19 | $2,771 | 2025-12 |
| 18 Doors | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| 4 Sight Inc | 501(c)(3) | 2008 | $0 | $0 | 2023-12 |
| Academy Childrens Theatre | 501(c)(3) | 2019 | $0 | $0 | 2026-05 |
| Air Force Association | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Air Force Association | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Alabama Hispanic Association | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Alabama Infectious Disease Society Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Alabama International College | 501(c)(3) | 2026 | | | |
| Alabama School Library Association | 501(c)(6) | 2026 | | | |
| Alabama Urban Gardeners and Farmers Association | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| American Association of University Women | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| American Association of University Women | 501(c)(4) | 2010 | $0 | $0 | 2026-06 |
| American Wine Society North Alabama Chapter | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Bartley Bridge Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Beta Epsilon Sigma Chapter Foundation of Phi Beta Sigma Frat | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Bridget Dietz Memorial Scholarship Fund | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Center of Hope Village Incorporated | 501(c)(3) | 2025 | | | |
| Central School Parent Teacher Organization Inc | 501(c)(3) | 2012 | $0 | $0 | 2026-05 |
| Challenger Middle School Athletic Booster Club | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Challenger Middle School Band Parents Association | 501(c)(3) | 2025 | $0 | $0 | 2025-05 |
| Christian Home Education Fellowship of Alabama Education Fund | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Church Street Full Life and Achievement Center Inc | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Cumbie Scholarship Fund | 501(c)(3) | 2004 | $0 | $0 | 2024-12 |
| Cyber Workforce Corp | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Cyberreach | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Delta Gamma Alumni Association | 501(c)(3) | 2025 | | | |
| Delta Omega Zeta Chapter Educational Foundation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Delta Zeta Sorority | 501(c)(7) | 1941 | $0 | $0 | 2025-06 |
| Digitalwerx | 501(c)(3) | 2025 | | | |
| Dorian Inspires Reading Foundation Inc | 501(c)(3) | 2026 | | | |
| Dr Henry Bradford Jr and MRS Nell Lane Bradford Scholarship Foundati | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Dyslexic Difference | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Empowered Knowledge Solutions | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Empowering Womens Causes | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Eric S Obermann Foundation | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Evening Star Lodge No 6 Foundation Inc | 501(c)(3) | 2013 | $0 | $0 | 2024-10 |
| Experimental Aircraft Association C Hapter 190 Moontown Alabama | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Forgiven Help Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Library of Huntsville-Madison County Alabama | 501(c)(3) | 1984 | $0 | $0 | 2025-12 |
| Future Leaders Institute | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Global Roots Cooperative | 501(c)(3) | 2022 | $0 | $0 | 2025-05 |
| Green Gift Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Grissom Jrotc High School Booster Club | 501(c)(3) | 2025 | | | |
| Harmonie Grace Foundation | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Harry W Swinton Sr Foundation Incorporated | 501(c)(3) | 2025 | | | |
| Hcmoaa Scholarship Fund | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Honor Society of Phi Kappa Phi | 501(c)(3) | 1999 | $0 | $0 | 2026-06 |
| Hugs for Honduras | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Huntsville Autistic Adults Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Huntsville Community Watch Association | 501(c)(3) | 2013 | $0 | $0 | 2025-09 |
| Huntsville Madison County Auburn Club Foundation | 501(c)(3) | 2013 | $0 | $0 | 2025-09 |
| Huntsville Madison County Diversity Leadership Colloquium | 501(c)(3) | 2026 | | | |
| Infragard Huntsville Members Alliance | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Innovation for Education Foundation | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Joj Class of 2006 Legacy Foundation | 501(c)(3) | 2026 | | | |
| Julius R Scruggs Child Development Center and Academy | 501(c)(3) | 2024 | $0 | $0 | 2024-07 |
| Keys To Opportunity | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Kinertia | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Kingdom Heights Schools of Huntsville | 501(c)(3) | 2024 | | | |
| Kingdom of God Ministries Africa | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Konnect America | 501(c)(3) | 2015 | $0 | $0 | 2025-07 |
| Laquasha Qu King Foundation | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Lee High School Theatre Booster | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Leg Up | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Linked Aspirations | 501(c)(3) | 2023 | | | |
| Loft Literacy Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Madison County High School Alumni Association Inc | 501(c)(3) | 2001 | $0 | $0 | 2023-12 |
| Makers Local 256 | 501(c)(3) | 2009 | $0 | $0 | 2026-04 |
| Master Gardeners of North Alabama Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Members Only Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Millbridge Foundation | 501(c)(3) | 2017 | $0 | $1 | 2024-12 |
| Monrovia Middle School Pto | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Mountain Gap Middle School Band Parents Association | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Mpact It | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Much Is Expected Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Multilateral Alumni Student Support Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| No More Dirty Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| North Alabama Code Officials Association | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| North Alabama Friends School Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| North Alabama Society of Women Engineers | 501(c)(3) | 2022 | $0 | $0 | 2025-07 |
| O L Meadows School of Ministry | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Oakwood University Community Qalicb | 501(c)(3) | 2022 | $0 | $14.3 million | 2025-06 |
| One Moment at A Time | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| One River Foundation | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Osher Lifelong Learning Institute at Uah Inc | 501(c)(3) | 1997 | $0 | $0 | 2026-07 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | | | |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Parent Booster USA Inc | 501(c)(3) | 2005 | $0 | $0 | 2025-06 |
| Pearls of Wisdom and Educational Resources Foundation | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Pick N Roll Inc | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Providence Classical School | 501(c)(3) | 2004 | | | |
| Pta Alabama Congress | 501(c)(3) | 1951 | $0 | $0 | 2026-06 |
| Pta Alabama Congress | 501(c)(3) | 1951 | $0 | $0 | 2026-06 |
| Pta Alabama Congress | 501(c)(3) | 1951 | $0 | $0 | 2026-06 |
| Pta Alabama Congress Williams Middle School Pta | 501(c)(3) | 2023 | | | |
| Pta Albabama Congress | 501(c)(3) | 1951 | $0 | $0 | 2025-06 |
| Qie Foundation | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Read Aloud Alabama Inc | 501(c)(3) | 2026 | | | |
| Red Elephant Club of Huntsville | 501(c)(3) | 2026 | | | |
| Rocket City Learning Collective | 501(c)(3) | 2022 | $0 | $0 | 2025-05 |
| Rocket City Robotics Inc | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Samaritan Outreach Ministries Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Sea Scout Huntsville Bsa | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Second Chance Deliverance Andrestoration Ministries Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Shop Huntsville | 501(c)(3) | 2025 | $0 | $0 | 2025-11 |
| Strive Forward | 501(c)(3) | 2017 | $0 | $0 | 2026-03 |
| Sunshine House | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Tennessee Valley Civil War Round Table | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| The University of Alabama in Huntsville Research Foundation | 501(c)(3) | 2020 | | | |
| Thomas-Hines Educational Training Center | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| Valley Arts and Entertainment Inc | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Wades Career Development | 501(c)(3) | 2012 | $0 | $0 | 2026-05 |
| Westminster Christian Academy | 501(c)(3) | 2006 | | | |
| Whitesburg Christian Academy | 501(c)(3) | 2004 | | | |
| Zeta Phi Beta Sorority | 501(c)(7) | 1960 | $0 | $0 | 2025-12 |