| Parent Booster USA IncAustin | Form 990-EZ | $129,081FY2026 |
| Legacy Ranch Golden Spurs Booster ClubLiberty Hill | Form 990-EZ | $128,788FY2026 |
| James Madison High School Band-Flag Parents Booster Club IncSan Antonio | Form 990-EZ | $128,688FY2024 |
| Dr Hector P Garcia Memorial FoundationSan Antonio | Form 990-EZ | $128,675FY2025 |
| Needville Education Foundation IncNeedville | Form 990-EZ | $128,544FY2024 |
| Hamilton Elementary PTOCypress | Form 990-EZ | $128,296FY2025 |
| Atascocita Cheer Booster ClubHumble | Form 990-EZ | $128,146FY2025 |
| Seguin High School Band Boosters IncSeguin | Form 990-EZ | $128,042FY2026 |
| Plano West Senior High School Band BoostersPlano | Form 990 | $127,953FY2026 |
| Cisd Educational Support Groups IncThe Woodlands | Form 990-EZ | $127,940FY2026 |
| Devine Education FoundationDevine | Form 990-EZ | $127,706FY2026 |
| Parent Booster USA IncProsper | Form 990-EZ | $127,704FY2025 |
| Bobcat Pride Scholarship FundSan Marcos | Form 990-EZ | $127,641FY2026 |
| Bandera Isd Education FoundationincBandera | Form 990-EZ | $127,597FY2025 |
| New Braunfels High School Project GraduationNew Braunfels | Form 990-EZ | $127,597FY2025 |
| Abilene High School Eagle Band Booster ClubAbilene | Form 990-EZ | $127,456FY2026 |
| Woodrow Choir and Theater BoosterDallas | Form 990-EZ | $127,309FY2025 |
| Swingin S FarmsHelotes | Form 990-EZ | $127,225FY2024 |
| Water Environment Association of Texas ScholarshipAustin | Form 990-EZ | $127,082FY2025 |
| Adventure & Victory IncDallas | Form 990-EZ | $126,765FY2025 |
| Walnut Grove Cheer Booster Club IncProsper | Form 990-EZ | $126,742FY2026 |
| Parent Booster USA IncFulshear | Form 990-EZ | $126,719FY2025 |
| The Wall Parent Teacher OrganizationWall | Form 990-EZ | $126,621FY2025 |
| Serna Marymount Community Development CorporationSan Antonio | Form 990-EZ | $126,538FY2025 |
| Afjrotc TX-20007 Booster ClubLeander | Form 990-EZ | $126,357FY2026 |
| Telugu Association of San AntonioSan Antonio | Form 990-EZ | $126,008FY2024 |
| Parent Booster USA IncRound Rock | Form 990-EZ | $125,873FY2025 |
| Association of Texas Appraisers IncSan Antonio | Form 990-EZ | $125,800FY2025 |
| Parent Booster USA IncLongview | Form 990-EZ | $125,799FY2026 |
| J R Huffman Public Library IncHemphill | Form 990-EZ | $125,787FY2023 |
| Calallen Band BoostersCorpus Christi | Form 990-EZ | $125,785FY2024 |
| Christian Latina Leadership InstituteSan Antonio | Form 990-EZ | $125,756FY2025 |
| Robinson Education FoundationRobinson | Form 990 | $125,745FY2025 |
| Andrews Golf Booster ClubAndrews | Form 990-EZ | $125,674FY2024 |
| Clear Creek Isd GroupsHouston | Form 990-EZ | $125,237FY2026 |
| Swpa-Southwestern Psychological AssociationSan Antonio | Form 990-EZ | $125,212FY2025 |
| Lake Highlands High School Education FoundationDallas | Form 990-EZ | $125,186FY2025 |
| Southwestern Division of the International Association of FireLeander | Form 990-EZ | $125,154FY2025 |
| San Felipe del Rio Cisd Education FoundationDel Rio | Form 990-EZ | $125,140FY2025 |
| Atascocita High School All Sport Athletic Booster ClubHumble | Form 990-EZ | $125,133FY2023 |
| The German School of DallasDallas | Form 990-EZ | $125,125FY2026 |
| Idalou Education FoundationIdalou | Form 990-EZ | $124,910FY2025 |
| George West Education Foundation IncGeorge West | Form 990-EZ | $124,846FY2025 |
| Parent Booster USA IncFort Worth | Form 990-EZ | $124,794FY2024 |
| Teamsters Local 577 College Scholarship FundAmarillo | Form 990-EZ | $124,727FY2025 |
| The Exchange Club of Missouri CityMissouri City | Form 990-EZ | $124,495FY2025 |
| Mansfield Timberview Band Booster ClubMansfield | Form 990-EZ | $124,473FY2026 |
| Texas Local Fire Fighters Pension ConferenceLaredo | Form 990-EZ | $124,438FY2024 |
| Parent Booster USA IncGeorgetown | Form 990-EZ | $124,377FY2025 |
| Hidalgo County 4-H FoundationEdinburg | Form 990-EZ | $124,242FY2025 |