| Cincinnati Zoo Foundation Inc | | Cincinnati, OH | Local | 7 | 2024 | $10,898,792 |
| James J and Joan a Gardner Family Foundation | | Cincinnati, OH | Local | 6 | 2024 | $2,260,000 |
| Hcs Foundation | | Westlake, OH | Local | 5 | 2024 | $2,250,000 |
| Kettering Family Foundation | | Dayton, OH | National | 4 | 2024 | $785,000 |
| Dorothy M M Kersten Charitable Trust 04-4825 | | Milwaukee, WI | Local | 7 | 2024 | $390,248 |
| Bob & Jeanne Coughlin Foundation | | Cincinnati, OH | Local | 2 | 2024 | $300,000 |
| L and L Nippert Charitable Foundation Inc | | Blue Ash, OH | Local | 2 | 2024 | $265,000 |
| John a Schroth Family Charitabletrust | | Pittsburgh, PA | Local | 2 | 2024 | $250,000 |
| Arthur L Bud Johnson in Memory of Elaine V Johnson Foundation | | Cumming, GA | National | 2 | 2024 | $110,000 |
| Meyers Foundation | | Cincinnati, OH | National | 7 | 2024 | $35,000 |
| Mueller Family Foundation | | Pennington, NJ | Local | 7 | 2024 | $17,500 |
| Reuben B Robertson Foundation | | Sammamish, WA | National | 5 | 2024 | $10,000 |
| The International Association for Bear Research and Management | | Bozeman, MT | National | 1 | 2024 | $8,850 |
| American Modern Foundation | | Amelia, OH | Local | 1 | 2024 | $5,000 |
| Farmer Family Foundation | | Cincinnati, OH | Local | 4 | 2023 | $6,745,000 |
| Carol Ann and Ralph V Haile Jr Foundation | | Covington, KY | Local | 6 | 2023 | $176,000 |
| Charles L Shor Foundation for Epilepsy Research Inc | | Cincinnati, OH | Local | 1 | 2023 | $100,000 |
| Mathile Family Foundation | | Dayton, OH | Local | 3 | 2023 | $60,000 |
| St Elizabeth Medical Center Inc | | Edgewood, KY | Local | 6 | 2023 | $41,000 |
| Enterprise Holdings Foundation | | Saint Louis, MO | National | 5 | 2023 | $18,000 |
| Raymond C and Anna T Johnson Foundation Inc | | Cincinnati, OH | Local | 3 | 2023 | $7,500 |
| Miramar Charitable Foundation | | Ft Mitchell, KY | Local | 2 | 2022 | $162,385 |
| Thomas J Emery Memorial | | Cincinnati, OH | Local | 3 | 2022 | $110,000 |
| Eric B Yeiser Family Foundation | | Cincinnati, OH | Local | 1 | 2022 | $50,000 |
| Jacob G Schmidlapp Tr Uw | | Cincinnati, OH | Local | 1 | 2021 | $100,000 |
| The Community Foundation | | Boulder, CO | Local | 2 | 2021 | $60,000 |
| The Warrington Foundation Co Fifth Third | | | — | 2 | 2021 | $15,000 |
| Robert a Johnston Foundation | | Cincinnati, OH | National | 1 | 2021 | $3,000 |
| Ucb Charitable Foundation | | Lawrenceburg, IN | Local | 1 | 2021 | $2,500 |
| Ellen and Richard Berghamer Foundation | | Cincinnati, OH | Local | 2 | 2020 | $150,000 |
| Childrens Hospital Medical Center | | Cincinnati, OH | Local | 1 | 2020 | $30,000 |
| Sutphin Family Foundation | | Pittsburgh, PA | Local | 1 | 2019 | $50,000 |
| Daniel and Susan Pfau Charitable Foundation | | Pittsburgh, PA | Local | 1 | 2019 | $15,000 |
| Helen T Andrews Foundation | | Cincinnati, OH | Local | 1 | 2019 | $13,000 |
| American Association of Zoological Parks and Aquariums Inc | | Silver Spring, MD | National | 1 | 2019 | $9,744 |