| NATIONAL FOREST FOUNDATION | 521786332 | 2019-09-30 | $1.2M | SUPPORT US NATIONAL FORESTS AND GRASSLANDS |
| NATIONAL FOREST FOUNDATION | 521786332 | 2023-09-30 | $674K | SUPPORT US NATIONAL FORESTS AND GRASSLANDS |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2024-09-30 | $576K | EXPANDING NATIVE PLANTING IN LITTLE CALUMET RIVER |
| IGRB FOUNDATION | 364018186 | 2023-06-30 | $500K | General Operating Support |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2025-09-30 | $375K | ASSIST IL FARMS WITH WATER QUALITY PRACTICES |
| NATIONAL FOREST FOUNDATION | 521786332 | 2017-09-30 | $290K | Support US National Forests and Grasslands |
| NATIONAL FOREST FOUNDATION | 521786332 | 2018-09-30 | $258K | SUPPORT US NATIONAL FORESTS AND GRASSLANDS |
| OPENLANDS | 362649603 | 2025-09-30 | $165K | Subgrant to The Wetlands Initiative for wetland restoration at Midewin National Tallgrass Prairie |
| ILLINOIS NUTRIENT RESEARCH AND EDUCATION COUNCIL | 472045976 | 2016-12-31 | $140K | RESEARCH PROJECTS |
| ILLINOIS NUTRIENT RESEARCH AND EDUCATION COUNCIL | 472045976 | 2017-12-31 | $140K | RESEARCH PROJECTS |
| ILLINOIS NUTRIENT RESEARCH AND EDUCATION COUNCIL | 472045976 | 2018-12-31 | $140K | RESEARCH PROJECTS |
| NATIONAL FISH AND WILDLIFE FOUNDATION | 521384139 | 2019-09-30 | $110K | Various Conservation Proj |
| NATIONAL FOREST FOUNDATION | 521786332 | 2025-09-30 | $105K | CONSERVATION EFFORTS AND COMMUNITY ENGAGEMENT |