| Hamill Family Foundation | | | Local | 5 | 2024 | $755,000 |
| John D Brubaker Charitable Tr | | Cherry Valley, IL | Local | 5 | 2024 | $750,000 |
| The Conservation Fund a Nonprofit Corporation | | Arlington, VA | National | 4 | 2024 | $317,292 |
| Arthur L Bud Johnson in Memory of Elaine V Johnson Foundation | | Cumming, GA | National | 3 | 2024 | $150,000 |
| Community Foundation of Northern Illinois | | Rockford, IL | Local | 7 | 2024 | $106,647 |
| Guy B Reno Family Foundation 43-1721-01-8 | | Green Bay, WI | Local | 7 | 2024 | $95,588 |
| Vanderpoel Conservation Foundation | | Chicago, IL | Local | 7 | 2024 | $69,800 |
| The Marilyn J Fulton Foundation | | Bull Valley, IL | Local | 7 | 2024 | $38,982 |
| Black-Periman Foundation | | Evanston, IL | National | 7 | 2024 | $35,000 |
| Donald a and Verna M Peterson Foundation | | Downers Grove, IL | Local | 1 | 2024 | $25,000 |
| Anderson Family Foundation | | Port Townsend, WA | Local | 7 | 2024 | $22,100 |
| Sjostrom & Sons Foundation Inc | | Rockford, IL | Local | 7 | 2024 | $10,500 |
| Ben Harding Family Foundation | | Rockford, IL | Local | 7 | 2024 | $7,000 |
| David & Colleen Anderson Charitable Foundation | | Rockford, IL | Local | 4 | 2024 | $4,000 |
| Kristin L Anderson Charitable Foundation | | Rockford, IL | Local | 4 | 2024 | $4,000 |
| John & Linda Anderson Charitable Foundation | | Rockford, IL | Local | 4 | 2024 | $4,000 |
| Jeffrey R Anderson Charitable Foundation | | Rockford, IL | Local | 4 | 2024 | $4,000 |
| Tracy E Anderson Charitable Foundation | | Rockford, IL | Local | 4 | 2024 | $4,000 |
| John Harding Family Foundation | | Encinitas, CA | National | 1 | 2024 | $1,000 |
| Covington Charitable Tr | | Lake Bluff, IL | National | 1 | 2024 | $500 |
| Illinois Clean Energy Community Foundation | | | Local | 5 | 2023 | $2,669,470 |
| Kiwanis Charities of Rockford Inc | | Rockford, IL | Local | 1 | 2023 | $6,000 |
| Bergmann Benjamin Moore Perpetual Charitable Trust | | Maple Park, IL | Local | 3 | 2023 | $4,000 |
| Nels & Liz Leutwiler Foundation | | Lake Bluff, IL | National | 2 | 2023 | $150 |
| Grand Victoria Foundation | | Chicago, IL | Local | 5 | 2022 | $836,401 |
| Ralph & Elizabeth Anderson Charitable Foundation | | | Local | 1 | 2022 | $1,000 |
| Land Trust Alliance Incorporated | | Washington, DC | Local | 1 | 2021 | $9,000 |
| Jane Addamsland Park Foundation | | Freeport, IL | — | 1 | 2020 | $80,000 |
| Delta Institute | | Chicago, IL | National | 4 | 2020 | $39,000 |
| D a O Foundation | | Loves Park, IL | Local | 1 | 2020 | $500 |
| Amended and Restated Brubaker Charitable Trust | | Cherry Valley, IL | Local | 1 | 2019 | $7,700 |
| Atwood Foundation | | | — | 1 | 2018 | $100,000 |