| Sharefest Texas IncGrand Prairie | Form 990-N | No figure |
| Sweeny High School Project GraduationSweeny | Form 990-EZ | $44,824FY2026 |
| Mt Tabor Grand Lodge Af & AmHouston | Form 990-N | No figure |
| South San Antonio Isd Educational FoundationSan Antonio | Form 990-EZ | $44,387FY2024 |
| PTA Texas CongressDenton | Form 990-EZ | $44,353FY2026 |
| Music Teachers National Association IncCoppell | Form 990-N | No figure |
| Danielson Middle School Athletic Booster ClubLeander | Form 990-EZ | $44,261FY2024 |
| Legacy High School Orchestra Booster ClubMidland | Form 990-EZ | $44,138FY2025 |
| North Montgomery County Support GroupConroe | Form 990-EZ | $44,078FY2024 |
| Haberman Educational Foundation IncHouston | Form 990-N | No figure |
| Parent Booster USA IncCorpus Christi | Form 990-EZ | $43,942FY2025 |
| James E Taylor Choir Booster ClubKaty | Form 990-EZ | $43,873FY2026 |
| Cottonwood Creek Elementary PTOCoppell | Form 990-EZ | $43,843FY2025 |
| Larue Miller PTOMidlothian | Form 990-N | No figure |
| Executive Womens AllianceThe Woodlands | Form 990-EZ | $43,761FY2026 |
| Lee Rebels Volleyball Boosters ClubMidland | Form 990-EZ | $43,682FY2026 |
| KHS Health Science Booster ClubKingwood | Form 990-EZ | $43,671FY2025 |
| Lake Country NeighborsEmory | Form 990-EZ | $43,638FY2024 |
| FMHS Wrestling Booster Club IncFlower Mound | Form 990-N | No figure |
| Stratford High School Class of 2029 Project PromHouston | Form 990-EZ | $43,370FY2025 |
| Colony Bend Elementary PTOSugar Land | Form 990-EZ | $43,244FY2025 |
| Jarrell Education FoundationJarrell | Form 990-EZ | $43,243FY2025 |
| Pearland High School Theatre Booster ClubPearland | Form 990-EZ | $43,221FY2025 |
| Pride Through Excellence Education IncCorsicana | Form 990-EZ | $43,204FY2025 |
| Parent Booster USA IncLongview | Form 990-EZ | $43,160FY2026 |
| Cisd Educational Support Groups IncConroe | Form 990-N | No figure |
| Ridge Point Orchestra Booster AssociationMissouri City | Form 990-EZ | $43,109FY2025 |
| Contech Cares IncLa Porte | Form 990-EZ | $43,082FY2025 |
| Jacksonville Leadership & Education Advancement & DevelopmentJacksonville | Form 990-N | No figure |
| Blue Belles Parents ClubWeatherford | Form 990-EZ | $43,026FY2025 |
| Van Alstyne Ag Boosters IncorporatedVan Alstyne | Form 990-EZ | $43,019FY2025 |
| Texas Association for Literacy and Adult Education IncSan Antonio | Form 990-N | No figure |
| Milam County Go Texan CommitteeCameron | Form 990-EZ | $42,971FY2025 |
| Care for EducationCypress | Form 990-N | No figure |
| Ballinger Band BoostersBallinger | Form 990-N | No figure |
| Future Farmers of America State Associations & Local ChapterRobstown | Form 990-N | No figure |
| Andrews FundLaredo | Form 990-N | No figure |
| Rose Garden Owls PTCSchertz | Form 990-EZ | $42,823FY2026 |
| Parent Booster USA IncPlano | Form 990-N | No figure |
| Fort Worth Hispanic Chamber of Commerce IncFort Worth | Form 990-N | No figure |
| Alvin High School Project Graduation IncAlvin | Form 990-EZ | $42,699FY2025 |
| Texas Honey Bee Education AssociationThrall | Form 990-EZ | $42,624FY2025 |
| Highlands Elementary Parent Teacher OrganizationSugar Land | Form 990-EZ | $42,600FY2025 |
| Lee County Sportsmans Scholarship AssociationGiddings | Form 990-EZ | $42,572FY2025 |
| Library Foundation of Lampasas TXLampasas | Form 990-N | No figure |
| University of Texas at Arlington Alumni Association IncArlington | Form 990-N | No figure |
| Oakland Elementary Parent Teacher OrganizationRichmond | Form 990-N | No figure |
| MTK FoundationAmarillo | Form 990-N | No figure |
| Skipcha Elementary School PTOHarker Heights | Form 990-EZ | $42,355FY2023 |
| Pfe PTOHumble | Form 990-EZ | $42,343FY2025 |