| Sugar Grove FoundationMcLean | Form 990-N | No figure |
| Pottawatomie Garden Club of St CharlesSaint Charles | Form 990-N | No figure |
| Global Water WorksLibertyville | Form 990-N | No figure |
| Taam TevaNorthbrook | Form 990-N | No figure |
| Southern Illinois Prescribed Burn AssociationGolconda | Form 990-N | No figure |
| Decatur Audubon SocietyDecatur | Form 990-N | No figure |
| Puerto Rican AgendaChicago | Form 990-N | No figure |
| Garden Club of BarringtonBarrington | Form 990-N | No figure |
| Apple Canyon Lake Property Owners FoundationApple River | Form 990-N | No figure |
| Rock River Watershed GroupRockford | Form 990-N | No figure |
| Illinois Recycling FoundationGeneva | Form 990-N | No figure |
| Klehm Arboretum FoundationRockford | Form 990-N | No figure |
| Wisdom of OwlsSaint Charles | Form 990-N | No figure |
| Build Solar IncUrbana | Form 990-N | No figure |
| 350 Chicago NFPChicago | Form 990-N | No figure |
| Izaak Walton League of America IncDes Plaines | Form 990-N | No figure |
| Sachas SashayMackinaw | Form 990-N | No figure |
| Garden Guild of WinnetkaWinnetka | Form 990-N | No figure |
| Riverwalk Bicentennial FundNaperville | Form 990-N | No figure |
| Oak Lawn Parks FoundationOak Lawn | Form 990-N | No figure |
| Deep Roots ProjectOak Park | Form 990-EZ | $16,998FY2026 |
| Keep Vermilion County Beautiful IncDanville | Form 990-N | No figure |
| Peoria Garden ClubWashington | Form 990-N | No figure |
| Central Illinois Hosta SocietyDunlap | Form 990-N | No figure |
| Enos Park Neighborhood Improvement AssociationSpringfield | Form 990-EZ | $14,246FY2024 |
| Friends of the Hennepin CanalLadd | Form 990-N | No figure |
| My Mothers Community Garden IncPeoria | Form 990-N | No figure |
| Bloomingdale Park FoundationBloomingdale | Form 990-N | No figure |
| Galena S Living History Alliance NFPGalena | Form 990-N | No figure |
| Reuse Depot IncMaywood | Form 990-N | No figure |
| Champaign County Soil and Water Conservation District FoundationChampaign | Form 990-N | No figure |
| Friends of Winnslie ParkwayChicago | Form 990-N | No figure |
| Lake Affect FoundationChicago | Form 990-N | No figure |
| Old Town Neighborhood FoundationChicago | Form 990-N | No figure |
| Fox Ridge FoundationCharleston | Form 990-N | No figure |
| Women and Child Development Wacd USA IncMoline | Form 990-N | No figure |
| Save Our Illinois LandBartlett | Form 990-N | No figure |
| Nippersink Watershed AssociationWonder Lake | Form 990-N | No figure |
| Annas Garden NFP IncSheridan | Form 990-N | No figure |
| Original Kaskaskia Area Wilderness IncOkawville | Form 990-N | No figure |
| Carbon Capture Tree Farm Co NFPChicago | Form 990-N | No figure |
| Air Support ProjectChicago | Form 990-N | No figure |
| Construction & Demolition Recycling AssociationChicago | Form 990-N | No figure |
| Clarendon Hills Park FoundationClarendon Hills | Form 990-N | No figure |
| Lincoln Heritage Resource Conservation and Development NFPCharleston | Form 990-N | No figure |
| Illinois Renewable Energy Association IncOregon | Form 990-N | No figure |
| Small Waters Education NFPHarvard | Form 990-N | No figure |
| Illinois Climbers AssociationCarbondale | Form 990-N | No figure |
| Protecting Our Water Environment & River NFPBourbonnais | Form 990-N | No figure |
| Liam Hammonds Memorial FoundationFlossmoor | Form 990-N | No figure |