| Electric Reliability Council of Texas Inc 10-10-90 | 501(c)(4) | 2008 | $543.2 million | $7.43 billion | 2024-12 |
| Austin Transit Partnership Local Government Corporation | 501(c)(3) | 2022 | $197.2 million | $695.5 million | 2025-09 |
| Texas Public Policy Foundation | 501(c)(3) | 1989 | $26.1 million | $28.5 million | 2025-12 |
| Texas Reliability Entity Inc | 501(c)(3) | 2010 | $19.1 million | $17.8 million | 2024-12 |
| Texas 2036 | 501(c)(3) | 2017 | $12.2 million | $16.8 million | 2025-12 |
| Cicero Action | 501(c)(4) | 2021 | $6 million | $4.6 million | 2024-12 |
| Young Americans for Liberty Foundation | 501(c)(3) | 2013 | $5.4 million | $1.4 million | 2024-12 |
| Center for Public Policy Priorities | 501(c)(3) | 1999 | $4.5 million | $3.5 million | 2024-12 |
| Texas Technology Consortium Inc | 501(c)(6) | 2012 | $2 million | $2.7 million | 2025-12 |
| Fair Shot Texas | 501(c)(3) | 2022 | $1.5 million | $3.5 million | 2025-06 |
| Protego Press | 501(c)(3) | 2019 | $1.4 million | $911,835 | 2024-12 |
| Good Work Austin | 501(c)(3) | 2019 | $1.4 million | $405,104 | 2025-12 |
| Muny Conservancy | 501(c)(3) | 2019 | $1.3 million | $2.1 million | 2025-12 |
| Main Street Foundation | 501(c)(3) | 2000 | $1.2 million | $711,946 | 2024-12 |
| Texans for Economic Liberty | 501(c)(4) | 2026 | $948,055 | $0 | 2022-12 |
| Honor Flight Austin | 501(c)(3) | 2013 | $902,674 | $1.3 million | 2024-12 |
| Movability Inc | 501(c)(3) | 2011 | $841,426 | $635,823 | 2024-12 |
| Mexican American Legislative Policy Council | 501(c)(6) | 2025 | $800,546 | $598,651 | 2025-12 |
| Mission Capital | 501(c)(3) | 2001 | $772,080 | $1.1 million | 2025-07 |
| Powerhouse Texas | 501(c)(3) | 2022 | $771,370 | $365,959 | 2025-06 |
| Texans for A Strong Economy | 501(c)(4) | 2014 | $715,000 | $133,617 | 2025-12 |
| Partners in Parenting | 501(c)(3) | 2014 | $665,636 | $558,602 | 2025-12 |
| Texas Cuc Aggregation Project Inc | 501(c)(4) | 2002 | $651,769 | $650,951 | 2025-09 |
| Dripping Springs Community Mission Partnership Inc | 501(c)(3) | 2014 | $627,868 | $439,800 | 2025-12 |
| Cell Phones for Soldiers Inc | 501(c)(3) | 2004 | $617,242 | $3.3 million | 2025-12 |
| Texas Watch | 501(c)(4) | 1999 | $500,927 | $321,977 | 2024-12 |
| Banda Health | 501(c)(3) | 2016 | $358,305 | $561,472 | 2025-12 |
| Travis County Parks Foundation | 501(c)(3) | 2021 | $328,977 | $236,380 | 2025-12 |
| Local Politics Matter Atx | 501(c)(4) | 2023 | $265,585 | $53,324 | 2024-12 |
| Ugli Foundation | 501(c)(3) | 2022 | $260,617 | $37,409 | 2024-12 |
| Texas Unitarian Universalist Justice Ministry Education Network | 501(c)(3) | 2014 | $256,768 | $198,689 | 2025-12 |
| Pflasa | 501(c)(3) | 2014 | $249,857 | $134,860 | 2025-06 |
| McLennan Community Investment Fund | 501(c)(3) | 2020 | $243,236 | $649,380 | 2024-12 |
| Illuminating Future Foundation Inc | 501(c)(3) | 2023 | $216,762 | $13,811 | 2024-12 |
| Marsha Water Supply Corporation | 501(c)(12) | 2018 | $204,013 | $808,092 | 2025-12 |
| Texas Community Capital | 501(c)(3) | 2004 | $185,197 | $1.2 million | 2024-12 |
| Transit Forward | 501(c)(3) | 2022 | $172,250 | $12,755 | 2024-12 |
| Wounded Warrior Military Family Endowment Inc | 501(c)(3) | 2019 | $147,189 | $13,276 | 2024-12 |
| GHHC Giving Back | 501(c)(3) | 2022 | $134,174 | $56,070 | 2025-12 |
| A Kind Hart Foundation | 501(c)(3) | 2022 | $122,916 | $24,035 | 2024-12 |
| Texas Evaluation Network | 501(c)(3) | 2020 | $115,728 | $136,540 | 2025-12 |
| Texas Independent Voter Project | 501(c)(4) | 2013 | $109,923 | $2,158 | 2025-12 |
| Explorers Club - Texas Chapter | 501(c)(3) | 2023 | $87,868 | $39,666 | 2025-12 |
| Texas Spirits | 501(c)(4) | 2016 | $80,928 | $68,631 | 2025-12 |
| Fair Shot Texas Action Fund | 501(c)(4) | 2023 | $69,592 | $1.1 million | 2025-06 |
| Ethical Purpose Holding Inc | 501(c)(2) | 2022 | $65,202 | $890,916 | 2025-12 |
| Boomers Collaborative Foundation | 501(c)(3) | 2017 | $62,159 | $53,129 | 2025-12 |
| Guiding Purpose Inc | 501(c)(3) | 2024 | $55,000 | $39,600 | 2025-12 |
| Hearts and Minds Project | 501(c)(3) | 2025 | $51,000 | $51,000 | 2025-12 |
| Rise & Impact Inc | 501(c)(3) | 2026 | $32,731 | $27 | 2025-12 |
| Overwatch Veteran Alliance Foundation Inc | 501(c)(3) | 2022 | $24,638 | $38,554 | 2024-12 |
| Pink Granite Foundation | 501(c)(3) | 2021 | $20,337 | $34,762 | 2024-12 |
| A Communitys Part | 501(c)(3) | 2026 | | | |
| Activets | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Acts 1 8 Movement Inc | 501(c)(3) | 2025 | | | |
| African American Leadership Institute | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| African and African Descendant Women Impact Network Foundation in | 501(c)(3) | 2025 | | | |
| Airport South of Lakeway Property Owners Association Inc | 501(c)(4) | 2014 | $0 | $0 | 2025-12 |
| American Gi Forum of Texas Inc | 501(c)(4) | 2025 | $0 | $0 | 2024-12 |
| Arise Community Impact & Sustainabi Lity Foundation Inc | 501(c)(3) | 2026 | | | |
| Army Counterintelligence Special Agents Association | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Astronauts in Your Space | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Austin Mustard Seed Inc | 501(c)(3) | 1968 | | | |
| Bawse | 501(c)(3) | 2025 | | | |
| Bee Loved Co | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Bfam USA | 501(c)(19) | 2025 | $0 | $0 | 2025-12 |
| Borneo Drink and Live | 501(c)(3) | 2021 | $0 | $0 | 2025-09 |
| Bravery Bikes | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Bread of Heaven Ministries | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| CSM Althea Green Sergeant Audie Murphy Club - Lone Star Chapter | 501(c)(3) | 2024 | $0 | $0 | 2024-10 |
| Capitol Macintosh | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Central Texas Usafa Parents Association | 501(c)(3) | 2005 | $0 | $0 | 2026-03 |
| Change Unlimited | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Charles Schwertner Governor for A Day | 501(c)(4) | 2024 | | | |
| Citizens Commission On National Security | 501(c)(3) | 2017 | | $1,140 | 2024-12 |
| Covac Ops | 501(c)(4) | 2023 | $0 | $15,643 | 2024-12 |
| Cross County Water Supply Corporation | 501(c)(12) | 2013 | $0 | $3,237 | 2025-12 |
| Disrupting Homelessness | 501(c)(3) | 2024 | | | |
| E28 Leadership Institute Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Early Dawn Institute | 501(c)(3) | 2026 | | | |
| Emmar Family Foundation | 501(c)(3) | 2025 | | $1 | 2025-12 |
| End Trafficking Together | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Eq Kid Books | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Eternus Global | 501(c)(3) | 2026 | | | |
| Everest Peak Strategy Fellowship | 501(c)(3) | 2026 | | | |
| Flagship Foundation Inc | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| For Goodness Sake Public Charitable Organization | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Friends of Garza | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Swedish Log Cabin | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Geris Locker | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Ghanaian Professionals Network | 501(c)(3) | 2017 | $0 | $0 | 2024-03 |
| Giving Wings | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Good Boys Limited | 501(c)(3) | 2025 | | | |
| Good Pizza Project Foundation | 501(c)(3) | 2026 | | | |
| Grandparents for Public Schools | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Heroes for Freedom Foundation Inc | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Homeland Institute Inc | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Impact Vintage | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Ingredient Commons | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| International Assoc Healthcare Security and Safety Central TX Cha | 501(c)(3) | 2024 | | | |
| Jeremiah Group | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Karecares Corp | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Knebel Post 83 the American Legion Department of Texas | 501(c)(19) | 2026 | | | 2024-07 |
| L Y F E Movement | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| L500 Inc | 501(c)(6) | 2024 | $0 | $0 | 2025-12 |
| Leadership Equality Academy Inc | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Lone Star Dragon Chapter Ccra | 501(c)(3) | 2026 | | | |
| Longhorn Cultural Advancement Fund Corporation | 501(c)(3) | 2025 | | | |
| Majesty Gaming Inc | 501(c)(3) | 2024 | | | |
| Mamma Mothers Advocating Medical Marijuana for Autism | 501(c)(3) | 2018 | $0 | $0 | 2022-12 |
| Mane Mission | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Military Forces Conference Foundation Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-09 |
| Military Wild Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Mission Focused Coaching | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Mobility for All Corporation | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Mothers for Democracy Institute | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| NRC San Antonio Cpoa | 501(c)(19) | 2025 | $0 | $0 | 2025-12 |
| National Military Empowerment Organization | 501(c)(3) | 2024 | $0 | $0 | 2025-03 |
| North Texas Purchasing and Supply Management | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Not An Object | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Open Road for All | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Our Digital Heroes Foundation | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Ovens of Hope Inc | 501(c)(3) | 2024 | $0 | $0 | 2024-11 |
| Pathways Assistance Center | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Pearls Petals Atx | 501(c)(3) | 2025 | | | |
| Pinnup | 501(c)(3) | 2024 | | | |
| Power Heels Inc | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Presidential Innovation Fellows Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Purple Skye Festival | 501(c)(3) | 2025 | | | |
| Rally Point Fountain | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Remembering Leslie | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Rto Foundation | 501(c)(3) | 2025 | | | |
| Ryder Harrington Foundation | 501(c)(3) | 2026 | | | |
| Sea Un Incorporated | 501(c)(3) | 2025 | | | |
| Seren Asterea | 501(c)(3) | 2025 | | | |
| Serenity Blessings Inc | 501(c)(3) | 2025 | | | |
| Special With A Side of Mom | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| State Guard Association of Texas | 501(c)(3) | 2019 | $0 | $1 | 2025-12 |
| Straia Health | 501(c)(3) | 2026 | | | |
| Strength Valor and Character Founda Tion Aka Service Foundation | 501(c)(3) | 2025 | $0 | $0 | 2025-10 |
| Student Rights Incorporated | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Sudanese Community of Austin-Tx | 501(c)(3) | 2022 | $0 | $0 | 2025-09 |
| Sun City Chapter Adjutant General C Orps Regimental Association | 501(c)(3) | 2026 | | | |
| Sycamore Ranch Well No 1 Owners Association | 501(c)(12) | 2019 | $0 | $0 | 2025-12 |
| Tested To Testify | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Texans for Reliable Power | 501(c)(4) | 2014 | $0 | $0 | 2024-12 |
| Texas Bedtime Stories | 501(c)(3) | 2024 | $0 | $0 | 2024-10 |
| Texas Black Caucus Foundation | 501(c)(3) | 2025 | | | |
| Texas Dragoons Charter | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Texas Electric Utility System Restoration Corporation | 501(c)(4) | 2026 | $0 | $0 | 2025-09 |
| Texas Future | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Texas Infrastructure Now | 501(c)(4) | 2026 | $0 | $0 | 2025-12 |
| Texas Mayors of Military Communities | 501(c)(4) | 2015 | $0 | $0 | 2025-06 |
| Texas Municipal Library Directors Association | 501(c)(6) | 2023 | $0 | $0 | 2025-06 |
| Texas Women in Homeland Security | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Texcap Policy Institute | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| The 7-Oh Truth Project | 501(c)(3) | 2026 | | | |
| The Discover U Project | 501(c)(3) | 2026 | | | |
| The Sixth Mile | 501(c)(3) | 2026 | | | |
| Three Rivers Charity Collective | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Usafa Association of Graduates Central Texas Chapter | 501(c)(19) | 2017 | $0 | $0 | 2025-12 |
| Vacation Auctions | 501(c)(3) | 2025 | | | |
| Vetdiscounts | 501(c)(3) | 2026 | | | |
| Veterans Diving Foundation | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Veterans Legacy Collective | 501(c)(3) | 2026 | | | |
| Vetted Foundation | 501(c)(3) | 2017 | | | |
| Vie - Vision and Innovation for Empowerment | 501(c)(3) | 2025 | | | |
| Vote On Inc | 501(c)(3) | 2026 | | | |
| Wasaela Foundation | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Weseeu | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| William B Travis Association | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Wisdm Rising Inc | 501(c)(3) | 2025 | | | |
| Workforce Reporting Consortium Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Worlds Fair Company | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Yellow Ribbon Box Inc | 501(c)(3) | 2019 | $0 | $0 | 2024-06 |
| 1835 Cannon LTD | 501(c)(3) | 2014 | $-94,733 | $16 million | 2025-12 |