| William Penn Foundation | | Philadelphia, PA | Local | 3 | 2024 | $1,050,000 |
| Code Blue Charitable Foundation Inc | | Pittsford, NY | National | 6 | 2024 | $210,850 |
| National Wildlife Federation | | Reston, VA | National | 7 | 2024 | $105,250 |
| Stephanie and Lawrence Flinn Jr Charitable Trust | | Rye, NY | National | 3 | 2024 | $30,000 |
| The Tianaderrah Foundation C/O Robert L Gipson | | New York, NY | Local | 3 | 2024 | $20,000 |
| The Orvis Charitable Foundation | | Wilmington, DE | National | 4 | 2024 | $17,300 |
| Kenneth and Caroline Taylor Family Foundation | | Wyalusing, PA | National | 7 | 2024 | $7,000 |
| The Corps Network | | Washington, DC | National | 3 | 2023 | $294,270 |
| Academy of Natural Sciences of Philadelphia | | Philadelphia, PA | National | 3 | 2023 | $75,000 |
| Dorothy Jordan Chadwick Fund | | Dallas, TX | National | 2 | 2023 | $12,000 |
| Camp Fire Conservation Fund Inc | | Chappaqua, NY | National | 1 | 2023 | $10,000 |
| Community Foundation for South Central New York Inc | | Binghamton, NY | Local | 1 | 2023 | $8,000 |
| George and Margaret Mee Charitable Foundation | | Binghamton, NY | Local | 1 | 2020 | $30,000 |
| The Keith Campbell Foundation for the Environment Inc | | Bethesda, MD | National | 2 | 2020 | $15,000 |
| Perkins Charitable Foundation | | Gates Mills, OH | National | 1 | 2020 | $4,875 |
| M H Yager Foundation Inc | | Pittsford, NY | Local | 1 | 2020 | $2,500 |
| Parr Family Charitable Foundation | | | — | 2 | 2020 | $100 |
| Patagoniaorg | | | National | 3 | 2019 | $22,000 |
| Long Cove Foundation Inc | | Pittsford, NY | Local | 1 | 2019 | $6,500 |
| Charlottes Web | | Boston, MA | National | 1 | 2019 | $5,000 |
| Zarrella Family Foundation Inc | | Pittsford, NY | Local | 1 | 2019 | $4,000 |