| China Spring Band BoostersChina Spring | Form 990-EZ | $118,814FY2025 |
| Mount Vernon Rotary Educational Scholarship TrustMount Vernon | Form 990 | $118,789FY2024 |
| Santa Rita Elementary School Parent Teacher OrganizationLiberty Hill | Form 990-EZ | $118,632FY2025 |
| Knox County Livestock ShowMunday | Form 990-EZ | $118,452FY2025 |
| Brazos County a&M Club FoundationCollege Station | Form 990 | $118,313FY2025 |
| Pilot Point Bearcat Band BoostersPilot Point | Form 990-EZ | $118,123FY2025 |
| Village School Enrichment OrganizationHouston | Form 990 | $117,888FY2025 |
| Boerne Area Christian Homeschoolers IncComfort | Form 990-EZ | $117,805FY2025 |
| Rockenbaugh Elementary School Parent Teacher OrganizationSouthlake | Form 990 | $117,777FY2025 |
| San Antonio Japanese Companies AssociationShavano Park | Form 990-EZ | $117,681FY2026 |
| The Dulles Band Booster ClubStafford | Form 990-EZ | $117,413FY2025 |
| Rbi ClubWaxahachie | Form 990-EZ | $117,378FY2025 |
| Rains Isd Education FoundationEmory | Form 990-EZ | $117,352FY2025 |
| Gregory Portland Wildcat Booster ClubPortland | Form 990-EZ | $117,309FY2025 |
| Texas Bleeding Disorders Camp Foundation IncSpring | Form 990-EZ | $117,219FY2025 |
| Parent Booster USA IncFulshear | Form 990-EZ | $117,184FY2025 |
| School Connect SaSan Antonio | Form 990-EZ | $117,052FY2024 |
| GHS Tenth Man ClubColleyville | Form 990-EZ | $116,958FY2025 |
| Parent Booster USA IncHouston | Form 990-EZ | $116,949FY2025 |
| Industrial Athletic Booster Club IncInez | Form 990-EZ | $116,741FY2025 |
| Jacksboro High School Ex-Students AssociationJacksboro | Form 990-EZ | $116,710FY2024 |
| Friendswood Junior High Mustang Band Booster ClubFriendswood | Form 990-EZ | $116,690FY2026 |
| Wimberley Isd Parent Teacher Organization IncWimberley | Form 990-EZ | $116,370FY2024 |
| Highland Park Lady Scots Soccer ClubDallas | Form 990-EZ | $116,030FY2026 |
| Synergy Missions Solutions NetworkLakeway | Form 990-EZ | $115,950FY2025 |
| Vines High School Band Boosters OrganizationPlano | Form 990-EZ | $115,844FY2026 |
| Hondo Band Boosters IncHondo | Form 990-EZ | $115,766FY2025 |
| Sustained LeadersFort Worth | Form 990 | $115,736FY2025 |
| Archaeological Institute of America Houston SocietyHouston | Form 990-EZ | $115,716FY2025 |
| Texas Floating Classroom IncAransas Pass | Form 990-EZ | $115,612FY2024 |
| Hornet Legacy FoundationCorpus Christi | Form 990-EZ | $115,448FY2025 |
| Friends of Btwhspva DanceDallas | Form 990-EZ | $115,446FY2025 |
| NW Austin Rotary Club FoundationCedar Park | Form 990-EZ | $115,437FY2025 |
| Parent Booster USA Inc Tomball Memorial HS Silver StarsTomball | Form 990-EZ | $115,422FY2025 |
| Entrepreneurs Scholarship ProgramDeSoto | Form 990-EZ | $115,403FY2024 |
| Walker County Go Texan IncHuntsville | Form 990-EZ | $115,272FY2024 |
| Parent Booster USA IncAustin | Form 990-EZ | $115,258FY2026 |
| National Best Practices Conference IncAustin | Form 990-EZ | $115,249FY2025 |
| Texas Association of College & University Student Personnel AdminAlpine | Form 990-EZ | $115,159FY2025 |
| Martindale Community LibraryMartindale | Form 990-EZ | $114,827FY2024 |
| Clements Banks and Color Guard Booster ClubSugar Land | Form 990-EZ | $114,801FY2025 |
| PTA Texas CongressAustin | Form 990-EZ | $114,717FY2026 |
| Parent Booster USA IncRound Rock | Form 990 | $114,716FY2025 |
| Wise Women Foundation IncPharr | Form 990-EZ | $114,704FY2025 |
| Bridgeland Choir Association of ParentsCypress | Form 990-EZ | $114,525FY2025 |
| VRHS Star Steppers Booster ClubCedar Park | Form 990-EZ | $114,469FY2026 |
| Elkins Elite Booster ClubMissouri City | Form 990-EZ | $114,439FY2026 |
| Sigma Phi Epsilon Education Foundation of Texas AlphaAustin | Form 990-EZ | $114,362FY2025 |
| Legacy High School Band BoostersMidland | Form 990 | $114,342FY2024 |
| Boerne - Samuel V Champion High School Cheerleader Booster ClubBoerne | Form 990-EZ | $114,290FY2025 |