| Homer Hanna High School Band Boosters AssociationBrownsville | Form 990 | $301,726FY2026 |
| National Association of Worksite Health CentersDallas | Form 990 | $301,700FY2024 |
| Pegasus Media ProjectDallas | Form 990 | $301,363FY2025 |
| Mason Isd Scholarship FoundationMason | Form 990 | $300,662FY2024 |
| Parent Booster USA IncMidland | Form 990 | $300,425FY2026 |
| Si SE Puede SchoolsSan Antonio | Form 990 | $300,000FY2024 |
| Forney Highsteppers SupportersForney | Form 990 | $299,980FY2025 |
| Lifeapp USA IncJonestown | Form 990 | $299,708FY2024 |
| Cedar Ridge High School Band BoostersRound Rock | Form 990 | $299,041FY2025 |
| Brick Rodeo STEAM IncAustin | Form 990 | $298,825FY2025 |
| Lily Foundation of AmericaDallas | Form 990 | $298,335FY2024 |
| Wranglerette Booster ClubFriendswood | Form 990 | $297,885FY2025 |
| Ahs Bulldog Band Booster ClubSugar Land | Form 990 | $297,033FY2025 |
| Les Dames D EscoffierSan Antonio | Form 990 | $296,449FY2025 |
| Samuel C Red Parent-Teacher OrganizationHouston | Form 990 | $295,933FY2025 |
| Armstrong Bradfield Preschool AssociationDallas | Form 990 | $295,927FY2024 |
| Fredericksburg Academic Boosters IncFredericksburg | Form 990 | $295,085FY2025 |
| Summer Institute IncHouston | Form 990 | $294,575FY2024 |
| Next Step Equal EducationAustin | Form 990 | $294,422FY2025 |
| Dickinson Isd Education Foundation IncDickinson | Form 990 | $294,288FY2025 |
| Compass Athletic Booster ClubOdessa | Form 990 | $294,209FY2025 |
| Foster High School Athletic Booster ClubRichmond | Form 990 | $293,813FY2025 |
| Dawson High School Band BoostersincPearland | Form 990 | $293,641FY2025 |
| Aes Literacy Institute IncorporatedDallas | Form 990 | $293,427FY2024 |
| Cisd Educational Support Group IncConroe | Form 990 | $293,110FY2025 |
| Hannon Cup AssociationAustin | Form 990 | $292,934FY2024 |
| Carroll Elementary School Parent Teacher OrganizationSouthlake | Form 990 | $292,895FY2025 |
| Bandera Public Library CorporationBandera | Form 990 | $291,670FY2025 |
| Society of Air Force Pharmacists LtdNew Braunfels | Form 990 | $291,586FY2024 |
| Spartanaire Booster Club IncHouston | Form 990 | $291,145FY2026 |
| Somerset Isd Education FoundationSomerset | Form 990 | $290,888FY2025 |
| Jerusalem Lights IncLubbock | Form 990 | $290,736FY2025 |
| Cinco Ranch High School Band Boosters IncKaty | Form 990 | $290,237FY2025 |
| Van Alstyne Education Foundation IncVan Alstyne | Form 990 | $289,843FY2025 |
| Parent Booster USA IncHallsville | Form 990 | $288,574FY2025 |
| HagamosloHouston | Form 990 | $288,313FY2024 |
| Longhorn ProjectHouston | Form 990 | $288,102FY2026 |
| Lanier Middle School Parent Teacher OrganizationHouston | Form 990 | $287,988FY2025 |
| Orthodontic Foundation IncHouston | Form 990 | $287,355FY2025 |
| Cowboy Artists of America Joe Beeler FoundationFort Worth | Form 990 | $287,069FY2025 |
| Carroll High-Carroll Senior High School PTOSouthlake | Form 990 | $286,557FY2025 |
| Changing Expectations CorpRound Rock | Form 990 | $285,923FY2025 |
| Timber Creek High School Athletic Booster ClubFort Worth | Form 990 | $285,710FY2025 |
| James E Taylor Band BoostersKaty | Form 990 | $285,677FY2025 |
| Friends of the ThgaacHouston | Form 990 | $284,773FY2025 |
| Completing the Task IncBryan | Form 990 | $284,494FY2025 |
| Lamar High School Student Activities Corp of Arlington TexasArlington | Form 990 | $284,206FY2025 |
| Red Worldwide IncFort Worth | Form 990 | $284,088FY2024 |
| Entrepreneurs OrganizationFort Worth | Form 990 | $283,639FY2025 |
| National Coalition of Advanced Technology CentersWaco | Form 990 | $283,434FY2025 |