| Macomb Beautiful AssociationMacomb | Form 990-N | No figure |
| Homer Glen FoundationHomer Glen | Form 990-N | No figure |
| Long Lake Improvement and Sanitatio AssociationIngleside | Form 990-N | No figure |
| Lake Lorraine Restoration and Protection Association IncArlington Heights | Form 990-N | No figure |
| Batavia Plain Dirt Gardeners IncBatavia | Form 990-N | No figure |
| Friends of the Auburn ParksAuburn | Form 990-N | No figure |
| Institute for Neotropical ConservationCarbondale | Form 990-N | No figure |
| Cool Globes IncHighland Park | Form 990-N | No figure |
| Forest Foundation of Kendall CountyYorkville | Form 990-N | No figure |
| Children and Elders ForestNormal | Form 990-N | No figure |
| Pardee Lake Improvement AssociationincHuntley | Form 990-N | No figure |
| Garden Prairie Park Improvement AssociationGarden Prairie | Form 990-N | No figure |
| Geneva Green Market NFPGeneva | Form 990-N | No figure |
| Aquatic Education GroupRockford | Form 990-N | No figure |
| Algonquin Garden ClubAlgonquin | Form 990-N | No figure |
| Center for Transformation of WastetechnologyNaperville | Form 990-N | No figure |
| Friends of the Calumet-Sag TrailBlue Island | Form 990-N | No figure |
| Helping Others Maintain Environmental StandardsWarren | Form 990-N | No figure |
| One Blue PearlWestern Springs | Form 990-N | No figure |
| Go Green Wilmette NFP IncWilmette | Form 990-N | No figure |
| Friends of the Illinois Supreme Court Historic PreservationSpringfield | Form 990-N | No figure |
| Fermilab Natural AreasWarrenville | Form 990-N | No figure |
| Environmental ExchangeChicago | Form 990-N | No figure |
| Earthtone Environmental GroupChicago | Form 990-N | No figure |
| Lake County Audubon SocietyLibertyville | Form 990-N | No figure |
| Menard County Trails and Greenways NFPPetersburg | Form 990-N | No figure |
| Backyard Nature CenterGlencoe | Form 990-N | No figure |
| Minier Community FoundationMinier | Form 990-N | No figure |
| New Direction Outreach MinistriesCahokia | Form 990-N | No figure |
| Izaak Walton League of America IncCrete | Form 990-N | No figure |
| Karst Conservancy of Illinois IncMetamora | Form 990-N | No figure |
| Prairielands Preservation FoundationNormal | Form 990-N | No figure |
| Lakeridge Restoration AssociationLong Grove | Form 990-N | No figure |
| Go Green Lagrange a NFP CorpLa Grange | Form 990-N | No figure |
| Sustainable Springfield IncSpringfield | Form 990-N | No figure |
| Future En Noir Foundation IncChicago | Form 990-N | No figure |
| Friends of the PHNRC NFPProspect Heights | Form 990-N | No figure |
| Andrias ArkChicago | Form 990-N | No figure |
| Imagine Haitian Inc NFPChicago | Form 990-N | No figure |
| Winnebago County Community Gardens NFPRockford | Form 990-N | No figure |
| Planted Southern IllinoisMarion | Form 990-N | No figure |
| Circular Impact Network IncBuffalo Grove | Form 990-N | No figure |
| Treemama Non-Profit CorporationSpringfield | Form 990-N | No figure |
| Friends of Butterfield Trail State Recreation AreaGilman | Form 990-N | No figure |
| Hsmai ChicagoEvanston | Form 990-N | No figure |
| Enos Park Neighborhood GardensSpringfield | Form 990-N | No figure |
| Connecting the Dots ProjectSpringfield | Form 990-N | No figure |
| Vibrant Lands IncChicago | Form 990-N | No figure |
| Green Fire Conservancy IncSaint Charles | Form 990-N | No figure |
| Chayah SolutionsCountry Club Hills | Form 990-N | No figure |