| Hamill Family Foundation | | | Local | 5 | 2024 | $1,798,911 |
| Grand Victoria Foundation | | Chicago, IL | Local | 7 | 2024 | $1,775,920 |
| The Conservation Fund a Nonprofit Corporation | | Arlington, VA | National | 2 | 2024 | $125,612 |
| Willow Springs Charitable Tr | | Mt Carroll, IL | National | 2 | 2024 | $125,000 |
| Windward Fund | | Washington, DC | National | 3 | 2024 | $70,000 |
| Oak Lodge Foundation | | Aspen, CO | National | 5 | 2024 | $60,000 |
| Sunshine Charitable Foundation | | Libertyville, IL | National | 7 | 2024 | $47,000 |
| Illinois Clean Energy Community Foundation | | | Local | 6 | 2023 | $3,029,682 |
| Lumw Foundation | | Pleasant Pr, WI | Local | 2 | 2023 | $160,000 |
| Littman Family Foundation Inc | | Bethlehem, CT | Local | 5 | 2023 | $3,000 |
| Carney Family Foundation | | Chicago, IL | Local | 3 | 2023 | $2,000 |
| Fritz Family Foundation Inc | | Potosi, WI | Local | 3 | 2022 | $1,500 |
| Luther I Replogle Foundation | | Potomac, MD | National | 4 | 2021 | $35,500 |
| Full Circle Foundation | | Richmond, IL | Local | 1 | 2021 | $8,000 |
| Jane Addamsland Park Foundation | | Freeport, IL | — | 1 | 2020 | $20,000 |
| Alexander D Larson Gift Fund 00670000 | | Dubuque, IA | Local | 2 | 2020 | $10,542 |
| American Natural Heritage Foundation and Mueller Fam Chartit | | Galena, IL | — | 1 | 2020 | $9,000 |
| Mcknight Foundation | | Minneapolis, MN | Local | 1 | 2019 | $50,000 |
| Land Trust Alliance Incorporated | | Washington, DC | Local | 1 | 2019 | $7,500 |
| Wd Foundation Co Harry Drucker | | | — | 2 | 2019 | $5,491 |
| Delta Institute | | Chicago, IL | National | 3 | 2019 | $5,000 |
| Allan R Ettinger Foundation | | Chicago, IL | Local | 1 | 2019 | $500 |
| Community Foundation of Greater Dubuque | | Dubuque, IA | Local | 1 | 2018 | $477,015 |
| Dupage Community Foundation | | Downers Grove, IL | Local | 1 | 2018 | $10,000 |
| Nayar Family Foundation C/O Janus & Associates Cpas Pc | | | Local | 1 | 2018 | $7,500 |