| Jackson Hole Land TrustJackson | Form 990 | $9,828,394FY2025 |
| Wind River Tribal Buffalo InitiativeKinnear | Form 990 | $6,901,953FY2024 |
| National Park Friends AllianceJackson | Form 990 | $3,108,972FY2025 |
| Astoria Park ConservancyJackson | Form 990 | $2,832,146FY2024 |
| Wyoming Outdoor CouncilLander | Form 990 | $2,747,046FY2024 |
| Friends of the Bridger-TetonJackson | Form 990 | $1,559,566FY2024 |
| Protect Our Water Jackson Hole IncWilson | Form 990 | $1,368,193FY2024 |
| Muley Fanatic Foundation of Wyoming IncGreen River | Form 990 | $1,293,484FY2024 |
| Pilot Hill IncLaramie | Form 990 | $1,025,819FY2025 |
| Sheridan Community Land TrustSheridan | Form 990 | $1,006,301FY2025 |
| The Jackson Hole One Fly FoundationJackson | Form 990 | $926,398FY2025 |
| Snake River FundJackson | Form 990 | $840,484FY2025 |
| Thunder Basin Grasslands Prairie Eco-System AssociationDouglas | Form 990 | $746,253FY2024 |
| Jackson Hole Conservation AllianceJackson | Form 990 | $672,067FY2024 |
| Permaculture Planet Us Ngo FoundationSheridan | Form 990 | $637,364FY2025 |
| Powder River Basin Resource CouncilSheridan | Form 990 | $463,151FY2024 |
| Wyoming PathwaysLander | Form 990 | $453,918FY2024 |
| Jackson Hole Center for Global Affairs IncJackson | Form 990 | $406,191FY2024 |
| Friends of the Cheyenne Botanic GardenCheyenne | Form 990 | $399,608FY2025 |
| Wyoming Wetlands SocietyJackson | Form 990 | $338,401FY2023 |
| International Rocky Mountain Stage Stop Sled Dog RaceJackson | Form 990 | $328,274FY2024 |
| Wyoming Petroleum FoundationCasper | Form 990 | $327,364FY2024 |
| Ray Lovato Recycling CenterRock Springs | Form 990 | $313,243FY2025 |
| Advocates for Multi-Use of Public LandsJackson | Form 990 | $284,940FY2025 |
| Yellowstone-Teton Clean Cities IncJackson | Form 990 | $270,887FY2024 |
| Wyoming Coalition of Local GovernmentsLyman | Form 990 | $225,934FY2025 |
| Powell Valley RecyclingPowell | Form 990 | $204,749FY2024 |
| Rooted in CheyenneCheyenne | Form 990-EZ | $171,328FY2025 |
| Rock Springs Renewal Fund IncRock Springs | Form 990-EZ | $155,912FY2024 |
| Uinta Recycling IncEvanston | Form 990-EZ | $134,088FY2025 |
| North Platte River Foundation IncCasper | Form 990 | $123,945FY2025 |
| Alliance for Historic WyomingLaramie | Form 990-EZ | $109,961FY2025 |
| Wilderness Adventures FoundationJackson | Form 990-EZ | $107,886FY2025 |
| Casper Community Greenhouse ProjectCasper | Form 990-EZ | $106,525FY2025 |
| Green River Greenbelt Task ForceGreen River | Form 990-EZ | $96,770FY2025 |
| Wyoming OutdoorsmenCody | Form 990-EZ | $96,152FY2024 |
| Interstate Council on Water PolicyCheyenne | Form 990-EZ | $91,246FY2025 |
| Wyoming Solid Waste and Recycling AssociationPowell | Form 990-EZ | $80,206FY2025 |
| National Historic Trails Center Foundation IncCasper | Form 990 | $67,140FY2025 |
| Teton Botanical GardenJackson | Form 990-EZ | $55,866FY2025 |
| Community Pride FoundationTorrington | Form 990-N | No figure |
| Greater Sage Grouse Recovery Foundation IncPowell | Form 990-N | No figure |
| The Sinks Canyon ConservancyLander | Form 990-EZ | $39,680FY2025 |
| Wyoming Natural Resource FoundationCheyenne | Form 990-N | No figure |
| Wanna Ride FoundationLaramie | Form 990-N | No figure |
| Albany County ConservancyLaramie | Form 990-N | No figure |
| Wyoming Rural Water FoundationGlenrock | Form 990-N | No figure |
| Wyoming Alliance for Environmental EducationJackson | Form 990-N | No figure |
| Solrio Organization for Climate Change Mitigation IncorporatedCheyenne | Form 990-N | No figure |
| Wyoming Project WildAlcova | Form 990-N | No figure |