| Timber Creek Band Parent AssociationFort Worth | Form 990 | $409,839FY2026 |
| Rideshare 2 Vote AwareDallas | Form 990 | $406,430FY2024 |
| Be Peace - Be HopeHouston | Form 990 | $405,863FY2025 |
| Port Aransas Education FoundationPort Aransas | Form 990 | $405,436FY2025 |
| Wakeland High School Band BoostersFrisco | Form 990 | $404,507FY2025 |
| Gathering Outreach Community ServicesPearland | Form 990 | $404,051FY2024 |
| Eagle Pass HeroesEagle Pass | Form 990 | $403,413FY2025 |
| Fei Houston Scholarship FoundationHouston | Form 990 | $402,894FY2025 |
| Hispanic Leadership Development FoundationSan Antonio | Form 990 | $402,648FY2024 |
| Nanban FoundationFrisco | Form 990 | $402,478FY2022 |
| Southwest Transplant Alliance FoundationDallas | Form 990 | $402,247FY2024 |
| Brownwood Community Library AssociationBrownwood | Form 990 | $402,244FY2025 |
| Pflugerville Education FoundationPflugerville | Form 990 | $399,516FY2025 |
| Midland County Public Library FoundationMidland | Form 990 | $399,268FY2024 |
| Stephen Breen Memorial Foundation IncFort Worth | Form 990 | $398,645FY2025 |
| Texas Association of Physical Plant Adms of Universities & College IncLeander | Form 990 | $397,554FY2025 |
| Safe Streets AustinAustin | Form 990 | $396,880FY2024 |
| Pearce Area Band Club IncRichardson | Form 990 | $396,816FY2025 |
| Channelview Isd Education Foundation IncChannelview | Form 990 | $396,513FY2024 |
| Ronald Reagan Band ParentsSan Antonio | Form 990 | $396,014FY2025 |
| Christ Together Greater AustinAustin | Form 990 | $395,587FY2025 |
| Fort Griffin Fandangle Association IncAlbany | Form 990 | $394,701FY2025 |
| Olney Community LibraryOlney | Form 990 | $392,850FY2025 |
| True North Parent PartnershipThe Woodlands | None required | $392,816FY2023 |
| Texoma Medical Center VolunteersDenison | Form 990 | $392,477FY2024 |
| Woodlands Football Booster Club FoundationThe Woodlands | Form 990 | $390,900FY2025 |
| Mont Pelerin SocietyLubbock | Form 990 | $389,893FY2026 |
| Tyler Area P-16 CouncilTyler | Form 990 | $389,292FY2025 |
| RHHS Mighty Hawk Band BoostersHeath | Form 990 | $388,961FY2025 |
| McNeil Band Boosters IncAustin | Form 990 | $388,412FY2025 |
| Graham Community FoundationGraham | Form 990 | $387,929FY2025 |
| Smart Family Literacy IncGalveston | Form 990 | $387,857FY2024 |
| Ark Adventure PreschoolPlano | Form 990 | $384,336FY2025 |
| Junction Community After School Program and Family CenterJunction | Form 990 | $383,933FY2025 |
| Denison Isd Education Foundation IncDenison | Form 990 | $383,886FY2024 |
| Parent Booster USA IncWylie | Form 990 | $382,720FY2025 |
| Peak Christian AcademyAbilene | Form 990 | $382,142FY2025 |
| Memorial Boys LacrosseHouston | Form 990 | $382,056FY2025 |
| Mark Twain Parent Teacher Organization IncHouston | Form 990 | $381,956FY2025 |
| Childrens Disabilities Information CoalitionEl Paso | Form 990 | $381,091FY2025 |
| Texas Association for College Admission Counseling IncFrisco | Form 990 | $380,858FY2025 |
| Texas Tennis Coaches AssociationBryan | Form 990 | $380,810FY2026 |
| Recording Library of West TexasMidland | Form 990 | $379,814FY2024 |
| R A G E Ministries IncRoanoke | Form 990 | $378,818FY2025 |
| Texas Rural Education Association FoundationAustin | Form 990 | $378,361FY2025 |
| Strawberry Creek Outreach Center IncFort Worth | Form 990 | $378,355FY2025 |
| Naums IncWylie | Form 990 | $377,599FY2025 |
| Women in NeuroscienceAustin | Form 990 | $376,881FY2024 |
| Education for Tomorrow AllianceConroe | Form 990 | $376,572FY2025 |
| Parent Booster USA IncKaty | Form 990 | $376,055FY2026 |