| The Wallace Research Foundation | | Cedar Rapids, IA | National | 7 | 2024 | $3,050,000 |
| Conservation Lands Foundation | | Durango, CO | National | 7 | 2024 | $551,500 |
| Resources Legacy Fund | | Sacramento, CA | National | 7 | 2024 | $500,315 |
| Kautz Family Foundation | | Tucson, AZ | National | 7 | 2024 | $140,000 |
| Indianapolis Foundation Inc | | Indianapolis, IN | Local | 2 | 2024 | $60,000 |
| Brillo-Sonnino Family Foundation | | Miami Beach, FL | National | 4 | 2024 | $5,500 |
| Irving & Arline Gordon Memorial Foundation | | Scottsdale, AZ | Local | 2 | 2024 | $3,561 |
| The Conservation Fund a Nonprofit Corporation | | Arlington, VA | National | 1 | 2023 | $180,551 |
| National Trust for Historic Preservation in the United States | | Washington, DC | National | 3 | 2023 | $104,000 |
| Community Foundation for Southern Arizona | | Tucson, AZ | Local | 5 | 2023 | $34,413 |
| Rizley Family Foundation Inc | | Chicago, IL | Local | 4 | 2022 | $40,000 |
| Southwestern Foundation for Education & Historical Preservatio | | Denver, CO | Local | 1 | 2021 | $26,275 |
| Wilderness Society | | Washington, DC | National | 1 | 2021 | $17,000 |
| Wright Family Foundation | | Boulder, CO | Local | 3 | 2021 | $14,000 |
| Patagoniaorg | | | National | 2 | 2018 | $25,000 |
| Marshall L and Perrine D Mccune Charitable Foundation | | Santa Fe, NM | Local | 1 | 2018 | $2,500 |
| Arizona Humanities Council | | Phoenix, AZ | Local | 1 | 2017 | $9,000 |