| Pioneer Heritage Middle School Band Parents AssociationFrisco | Form 990-EZ | $57,350FY2026 |
| Cesar E Chavez Legacy and Educational FoundationSan Antonio | Form 990-EZ | $57,311FY2026 |
| Harris County Public Library FoundationHouston | Form 990-EZ | $57,300FY2025 |
| Imperial Guard AlumnaeHouston | Form 990-EZ | $57,299FY2025 |
| Foundation of Chinese Christian EducationFrisco | Form 990-EZ | $57,277FY2024 |
| Thrall Community Education FoundationThrall | Form 990-EZ | $57,262FY2025 |
| Willow Wood Elementary PTOMelissa | Form 990-EZ | $57,240FY2025 |
| Monahans High School BandboostersMonahans | Form 990-EZ | $57,163FY2025 |
| John Michael Morrison Memorial Scholarship FundAmarillo | Form 990-EZ | $57,076FY2025 |
| Danbury Isd Education FoundationDanbury | Form 990-EZ | $57,040FY2025 |
| Bridging Indian Culture & ArtsCypress | Form 990-EZ | $57,016FY2025 |
| Harvard Business School Club of DallasDallas | Form 990-EZ | $57,011FY2026 |
| Ranch Management Alumni Association IncFort Worth | Form 990-EZ | $56,969FY2025 |
| Texas Association for Alternative EducationTemple | Form 990-EZ | $56,870FY2025 |
| Shsu Charter School at Brighton Academy PTOThe Woodlands | Form 990-EZ | $56,805FY2025 |
| Association of Doctors Against Forced Organ HarvestingHouston | Form 990-EZ | $56,759FY2025 |
| New Life Symphony OrchestraDallas | Form 990-EZ | $56,746FY2025 |
| Laredo U T Exes IncLaredo | Form 990-EZ | $56,634FY2026 |
| Klein Support Groups IncHouston | Form 990-EZ | $56,626FY2025 |
| Texas Surf ConservancyCorpus Christi | Form 990-EZ | $56,616FY2023 |
| Kids Xplore IncHouston | Form 990-EZ | $56,578FY2025 |
| Greater Houston Black Chamber FoundationHouston | Form 990-EZ | $56,544FY2025 |
| McKillop PTOMelissa | Form 990-EZ | $56,493FY2026 |
| CRHS Choir Booster ClubKaty | Form 990-EZ | $56,490FY2026 |
| Macarthur Band & Flag Parents AssociationSan Antonio | Form 990-EZ | $56,482FY2025 |
| Murchison Elementary PTOPflugerville | Form 990-EZ | $56,459FY2025 |
| WP Accessibility DayAustin | Form 990-EZ | $56,450FY2025 |
| Nolan Moore Memorial Education Foundation IncDallas | Form 990 | $56,423FY2026 |
| Parent Booster USA IncGeorgetown | Form 990-EZ | $56,418FY2025 |
| Rotary Club of Beaumont Spindletop IncBeaumont | Form 990 | $56,400FY2025 |
| Parent Booster USA IncVictoria | Form 990-EZ | $56,391FY2026 |
| Fowler Middle School Band BoostersPlano | Form 990-EZ | $56,328FY2025 |
| Carson Cummings FoundationAustin | Form 990-EZ | $56,258FY2024 |
| Upshur County Literacy ProgramGilmer | Form 990-EZ | $56,238FY2025 |
| Burleson Big Red Booster ClubBurleson | Form 990-EZ | $56,237FY2025 |
| Cuatro Hermanos FoundationFort Worth | Form 990 | $56,211FY2024 |
| 5828 Mockingbird Dads ClubDallas | Form 990-EZ | $56,186FY2025 |
| Lockhart Athletic Booster ClubLockhart | Form 990-EZ | $56,161FY2022 |
| San Antonio Area Association for Bilingual EducationSan Antonio | Form 990-EZ | $56,060FY2025 |
| Mineral Wells Ram Band Fan Club IncMineral Wells | Form 990-EZ | $56,060FY2024 |
| Africa AgilityFrisco | Form 990-EZ | $55,921FY2025 |
| Frederick Douglass Alumni Association IncPittsburg | Form 990-EZ | $55,906FY2023 |
| Astrafemina IncHouston | Form 990 | $55,883FY2025 |
| Fabra Elementary School PTOBoerne | Form 990-EZ | $55,876FY2025 |
| Book Bus IncDecatur | Form 990-EZ | $55,816FY2025 |
| River Oaks Islamic SchoolHouston | Form 990-EZ | $55,693FY2024 |
| Mockingbird Elementary Parent Teacher OrganizationCoppell | Form 990-EZ | $55,691FY2026 |
| Ruth and Harold Frazier Elementary School PTOMcKinney | Form 990-EZ | $55,599FY2026 |
| Mary Marek Elementary Parent Teacher OrganizationPearland | Form 990-EZ | $55,532FY2025 |
| Robert E Lee SBDT Booster ClubTyler | Form 990-EZ | $55,477FY2026 |