| Idaho Sustainability and Energy CoalitionAmmon | Form 990-EZ | $123,034FY2025 |
| Boise Urban Garden SchoolBoise | Form 990-EZ | $121,511FY2025 |
| The Snake River Alliance Education Fund IncBoise | Form 990-EZ | $111,965FY2025 |
| Teton Valley Community Recycling IncorporatedDriggs | Form 990-EZ | $104,873FY2025 |
| North American Lily Society IncBonners Ferry | Form 990 | $103,994FY2024 |
| Eureka Institute IncSandpoint | Form 990-EZ | $103,660FY2024 |
| Idaho Sfi Implementation Committee IncBoise | Form 990-EZ | $101,731FY2025 |
| Kootenai Environmental AllianceCoeur d'Alene | Form 990-EZ | $96,979FY2020 |
| Concerned Citizens Protecting the Spokane RiverPost Falls | Form 990-EZ | $95,963FY2025 |
| Idaho Smart Growth IncBoise | Form 990-EZ | $86,048FY2024 |
| Lake City Trail Builders AssociationCoeur d'Alene | Form 990-EZ | $85,362FY2025 |
| Reuse Market IncBoise | Form 990-EZ | $82,572FY2024 |
| Apex Alliance IncMeridian | Form 990 | $80,021FY2024 |
| Friends of Prairiescape IncorporatedMoscow | Form 990-EZ | $78,622FY2025 |
| Yellowstone to Uintas ConnectionParis | Form 990-EZ | $78,387FY2025 |
| Henrys Fork Wildlife Alliance IncAshton | Form 990-EZ | $77,228FY2024 |
| Malad Valley Irrigating CompanyMalad City | Form 990-EZ | $73,240FY2026 |
| Nimiipuu Ecosystems Restoration IncLapwai | Form 990-EZ | $68,044FY2025 |
| Pulaski Users Group IncStanley | Form 990-EZ | $67,248FY2025 |
| Idaho Business for the OutdoorsBoise | Form 990-EZ | $62,615FY2025 |
| Eastern Idaho Water Coalition IncBlackfoot | Form 990-EZ | $62,464FY2025 |
| Orton Botanical Garden IncTwin Falls | Form 990 | $61,046FY2025 |
| Ketchum Community Development CorporationKetchum | Form 990 | $56,786FY2024 |
| Magic Valley Land Trust IncKimberly | Form 990-EZ | $53,338FY2025 |
| Dry Creek Historical Society IncBoise | Form 990-EZ | $49,095FY2025 |
| Kieshas Preserve IncParis | Form 990 | $47,918FY2025 |
| Henrys Lake FoundationIsland Park | Form 990-N | No figure |
| Boise River Enhancement Network IncBoise | Form 990-N | No figure |
| Rock Creek Alliance IncSandpoint | Form 990-N | No figure |
| Idaho Washington Aquifer Collaborative IncPost Falls | Form 990-N | No figure |
| Boise Valley Snowmobile Association IncBoise | Form 990-N | No figure |
| Riseline Foundation IncKetchum | Form 990-N | No figure |
| Targhee Trail RidersIsland Park | Form 990-N | No figure |
| Panhandle Parks Foundation IncCoeur d'Alene | Form 990-N | No figure |
| Coeur Dalene Garden ClubCoeur d'Alene | Form 990-N | No figure |
| Kinnikinnick Native Plant SocietySandpoint | Form 990-N | No figure |
| Idaho Section American Nuclear Society IncIdaho Falls | Form 990-N | No figure |
| Palouse Audubon Society IncMoscow | Form 990-N | No figure |
| Prairie Falcon AudubonTwin Falls | Form 990-N | No figure |
| Northern Rockies Invasive Plant Council IncMoscow | Form 990-N | No figure |
| Sandpoint Transition Initiative IncSandpoint | Form 990-N | No figure |
| Garden Clubs of Idaho IncNampa | Form 990-N | No figure |
| Friends of the Pend Doreille Bay Trail IncSandpoint | Form 990-N | No figure |
| Moore Community Association IncMoore | Form 990-N | No figure |
| Hailey Parks Foundation IncHailey | Form 990-N | No figure |
| Friends of Edson Fichter Nature AreaPocatello | Form 990-N | No figure |
| 208 Cleanup IncMeridian | Form 990-N | No figure |
| Friends of Blue Heart Springs IncBuhl | Form 990-N | No figure |
| Indoor Exposure Index Index IncNampa | Form 990-N | No figure |
| Not in Wilderness CoalitionChallis | Form 990-N | No figure |