| Friends of the Upper Highland Lakes Nature CenterBurnet | Form 990-N | No figure |
| Houston Urban GrowersHouston | Form 990-N | No figure |
| Toby Globy Eco ActionPortland | Form 990-N | No figure |
| Innercity Innovations IncHouston | Form 990-N | No figure |
| Upper Llanos Prescribed Burn AssociationJunction | Form 990-N | No figure |
| Matagorda Current Meter ProjectPort Lavaca | Form 990-N | No figure |
| Gulf of Mexico Coastal Ocean Observing System Regional AssociatNew Braunfels | Form 990-N | No figure |
| Bluestem Chapter Texas Master NaturalistsSherman | Form 990-N | No figure |
| Big Bend Citizens AllianceTerlingua | Form 990-N | No figure |
| Friends of the National Wildlife Refuge SystemAlamo | Form 990-N | No figure |
| Keep Plainview BeautifulPlainview | Form 990-N | No figure |
| San Saba Bird and Nature ClubSan Saba | Form 990-N | No figure |
| Econautics Sustainability Institute LLCFort Worth | Form 990-N | No figure |
| Friends of the San Saba IncMarble Falls | Form 990-N | No figure |
| Chinati Ixtlan Cultural and Land ConservancyNew Braunfels | Form 990-N | No figure |
| Texas Society for Ecological RestorationAustin | Form 990-N | No figure |
| Lone Star Daylily Society IncPearland | Form 990-N | No figure |
| Guadalupe River Association IncSpring Branch | Form 990-N | No figure |
| Character 101Bedford | Form 990-N | No figure |
| Silo ProjectClifton | Form 990-N | No figure |
| Keep Bloomington BeautifulBloomington | Form 990-N | No figure |
| Science and Spanish Club Network IncRockport | Form 990-N | No figure |
| Hot Wells ConservancySan Antonio | Form 990-N | No figure |
| Red River County Charities IncClarksville | Form 990-N | No figure |
| Friends of LlelaLewisville | Form 990-N | No figure |
| One Hand One Love OutreachKirbyville | Form 990-N | No figure |
| Center for Biologic Policy EvaluationLubbock | Form 990-N | No figure |
| Bay Area Coastal Protection AllianceHouston | Form 990-N | No figure |
| Khor Kharfot FoundationConroe | Form 990-N | No figure |
| Caddo Biocontrol Alliance IncKarnack | Form 990-N | No figure |
| Keep Trophy Club Wild IncTrophy Club | Form 990-N | No figure |
| Prairie Keepers IncKeller | Form 990-N | No figure |
| Friends of Neches River National Wildlife RefugeJacksonville | Form 990-N | No figure |
| Bexar GrottoSan Antonio | Form 990-N | No figure |
| Forever Fulshear IncRichmond | Form 990-N | No figure |
| Lampasas County Area Go Texan IncLampasas | Form 990-N | No figure |
| Ethiopian Institute for Resilience and Climate Change AdaptationNotting Hill Dr | Form 990-N | No figure |
| Keep Dublin BeautifulDublin | Form 990-N | No figure |
| Cross Timbers Chapter Texas Master Naturalists IncFort Worth | Form 990-N | No figure |
| Connect MinistryHouston | Form 990-N | No figure |
| AquaiviaHouston | Form 990-N | No figure |
| Millsap Neighborhood Home and Garden Club IncMillsap | Form 990-N | No figure |
| Four States Alliance for Responsible Water ManagementAtlanta | Form 990-N | No figure |
| North Texas Association of Environmental ProfessionalsIrving | Form 990-N | No figure |
| Keep Howe BeautifulHowe | Form 990-N | No figure |
| Green Society a Non-Profit Texas CorporationSan Antonio | Form 990-N | No figure |
| School of PermacultureIrving | Form 990-N | No figure |
| Keep Cisco BeautifulCisco | Form 990-N | No figure |
| Lake Creek Greenway PartnershipMagnolia | Form 990-N | No figure |
| Friends of Winston Patrick McGregor ParkCleburne | Form 990-N | No figure |