| Peytons ProjectWichita Falls | Form 990 | $166,508FY2025 |
| JPS Dream Through TechnologySouth Padre Island | Form 990-EZ | $155,000FY2025 |
| International Conference on Computer Aided Verification IncAustin | Form 990-EZ | $149,767FY2025 |
| Ttara Research FoundationAustin | Form 990-EZ | $141,975FY2024 |
| Lasa Robotics Association IncAustin | Form 990-EZ | $139,821FY2026 |
| Aerospace VillageAustin | Form 990-EZ | $135,392FY2025 |
| Deep Borehole Demonstration CenterPlano | Form 990-EZ | $133,957FY2025 |
| Science Journal for KidsAustin | Form 990-EZ | $127,446FY2025 |
| The Association of BiologistsLubbock | Form 990-EZ | $117,587FY2025 |
| Apics No 150 Ntex IncProsper | Form 990-EZ | $110,957FY2025 |
| International Council of Academies Engineers Techincal Science CaetsGordonville | Form 990-EZ | $109,459FY2025 |
| Launchpad IncubatorDallas | Form 990-EZ | $105,797FY2024 |
| Texas Organic Farmers and Gardeners AssociationDallas | Form 990-EZ | $103,881FY2025 |
| Scientific Investigation & Instruction InstituteAustin | Form 990-EZ | $102,825FY2025 |
| High-Tech High HeelsDallas | Form 990-EZ | $94,162FY2024 |
| Southwestern Association for Clinical Microbiology IncDallas | Form 990-EZ | $92,348FY2025 |
| Texas Association for Science and TechnologyFrisco | Form 990-EZ | $92,001FY2025 |
| Austin Gem & Mineral SocietyAustin | Form 990-EZ | $88,766FY2024 |
| International Society of Antique Scale CollectorsAustin | Form 990 | $84,172FY2025 |
| American Society of Heating Refrigerating & a-C EngineersFort Worth | Form 990-EZ | $64,174FY2025 |
| Vizias Research Education & OutreachAustin | Form 990-EZ | $62,570FY2025 |
| Public InventionAustin | Form 990-EZ | $59,248FY2025 |
| Southwestern Association of Forensic Scientists IncHouston | Form 990-EZ | $57,633FY2024 |
| Scottish Space School Foundation USAHouston | Form 990-EZ | $52,847FY2025 |
| Mission H2OBastrop | Form 990-N | No figure |
| Compass UnitedSan Antonio | Form 990-N | No figure |
| Finding Genius FoundationAustin | Form 990-N | No figure |
| World Space Week AssociationHouston | Form 990-N | No figure |
| The Gcssepm FoundationHouston | Form 990-N | No figure |
| Vintage Computing Collective of North TexasGarland | Form 990-EZ | $30,328FY2025 |
| Digital Preservation OrganizationLeague City | Form 990-N | No figure |
| National Society of Black EngineersAustin | Form 990-N | No figure |
| Tag of HoustonHouston | Form 990-N | No figure |
| Central Texas Astronomical Society IncWaco | Form 990-N | No figure |
| Ashby Bowhunting FoundationCypress | Form 990-N | No figure |
| Monogame Foundation IncDallas | Form 990-N | No figure |
| Houston-NedaFriendswood | Form 990-N | No figure |
| Swenson Observatory for Astronomy and ResearchElgin | Form 990-N | No figure |
| Data Science & Decision Intelligence Leadership InstituteArlington | Form 990-N | No figure |
| ETGSTyler | Form 990-EZ | $6,222FY2024 |
| Nasa Hunch FoundationWebster | Form 990-N | No figure |
| Texas InnovatesHouston | Form 990-N | No figure |
| Arro Foundation IncSan Antonio | Form 990-N | No figure |
| Bahamas Sportfishing & Conservation CorporationGrapevine | Form 990-N | No figure |
| Constellation FoundationHouston | Form 990-N | No figure |
| Houston Association for Space and Science Education IncThe Woodlands | Form 990-N | No figure |
| Dallas Foundation for Aerospaceeducation IncFrisco | Form 990-N | No figure |
| Korean-American Oil & Gas Engineers AssociationSugar Land | Form 990-N | No figure |
| Storm Science Network IncSan Antonio | Form 990-N | No figure |
| South Plains Astronomy ClubLubbock | Form 990-N | No figure |