| Towers of Hope IncNew Caney | Form 990 | $268,512FY2025 |
| Lewisville High School BandboostersLewisville | Form 990 | $268,361FY2025 |
| Acpa Research & Education FoundationIrving | Form 990 | $267,618FY2025 |
| Lamar High School Alumni Association IncHouston | Form 990 | $267,446FY2024 |
| Rotary Club InternationalHouston | Form 990 | $266,694FY2025 |
| Ability Central Works CorporationBeaumont | Form 990 | $266,271FY2025 |
| The Arlington Foundation for Excellence in EducationArlington | Form 990 | $264,460FY2025 |
| Ennis Isd Education FoundationEnnis | Form 990 | $263,791FY2025 |
| Marquette Booster TeamMcKinney | Form 990 | $263,603FY2025 |
| CPHS Celebrities BoostersCedar Park | Form 990 | $263,165FY2026 |
| San Patricio Electric Education TRSinton | Form 990 | $263,153FY2024 |
| La San FoundationCypress | Form 990 | $263,008FY2025 |
| Comfort Public Library IncComfort | Form 990 | $263,003FY2024 |
| Our Schools Our DemocracyAustin | Form 990 | $262,941FY2025 |
| Live Like Knox Foundation IncFrisco | Form 990 | $262,643FY2024 |
| Schulenburg Junior Livestock Show AssociationSchulenburg | Form 990 | $262,616FY2024 |
| Inspiracion IncWaco | Form 990 | $262,612FY2025 |
| Lutie Legacy SocietyAustin | Form 990 | $262,350FY2025 |
| Greyhound Athletics Booster ClubBoerne | Form 990 | $262,121FY2025 |
| Fresh Start Developmental Learning and Fine Arts CenterSouth Houston | Form 990 | $261,939FY2024 |
| Friends of Monarch Effect Foundation IncPlano | Form 990 | $261,794FY2025 |
| Jennie Katharine Kolter PTOHouston | Form 990 | $261,637FY2025 |
| HCMS Cougar Club IncAustin | Form 990 | $261,432FY2026 |
| LHS Football Booster Club IncMidland | Form 990 | $261,368FY2025 |
| Parent Booster USA IncKingwood | Form 990 | $261,235FY2025 |
| Inspire School ProgramsCedar Hill | Form 990 | $260,386FY2025 |
| Activating Reading Communities OrganizationDallas | Form 990 | $260,375FY2025 |
| People Who CareSherman | Form 990 | $260,223FY2025 |
| The Permian Football Booster ClubOdessa | Form 990 | $258,589FY2024 |
| Aegis America IncHouston | Form 990 | $258,373FY2025 |
| Rancho Sienna Elementary School Parent Teacher OrgLiberty Hill | Form 990 | $258,193FY2025 |
| Texas Association of County Engineers & Road AdministratorsFort Worth | Form 990 | $257,837FY2025 |
| Klein Cain Band AssociationSpring | Form 990 | $257,702FY2024 |
| Post Stampede IncPost | Form 990 | $257,679FY2024 |
| Dr Lanse T Fox Memorial OrganizationLaredo | Form 990 | $257,588FY2024 |
| Midway Family Planning Services IncBrownwood | Form 990 | $257,573FY2025 |
| Youth Justice AllianceAustin | Form 990 | $257,516FY2025 |
| The James E Taylor High School Athletic Booster Club IncKaty | Form 990 | $257,475FY2026 |
| Spring Tri-Club IncSpring | Form 990 | $257,211FY2025 |
| Swan Impact Network IncAustin | Form 990 | $257,159FY2025 |
| LCM All Sports Booster 2021Orange | Form 990 | $257,001FY2025 |
| Parent Booster USA IncDallas | Form 990 | $256,706FY2025 |
| Fort Worth SparcFort Worth | Form 990 | $256,536FY2024 |
| San Augustine County Junior Livestock CommitteeSan Augustine | Form 990 | $256,313FY2024 |
| Lone Star State School Counselor AssociationNeedville | Form 990 | $256,187FY2024 |
| Rennell Elementary PTOCypress | Form 990 | $255,500FY2026 |
| Pearland Isd Education FoundationPearland | Form 990 | $254,794FY2025 |
| Ground Floor CollectiveTexarkana | Form 990 | $254,751FY2025 |
| Love Never Fails International IncFort Worth | Form 990 | $254,730FY2025 |
| Summit High School Athletic Booster ClubMansfield | Form 990 | $254,418FY2026 |