| Bruce G Geary Foundation | | Staten Island, NY | Local | 7 | 2024 | $245,000 |
| Foundation for Human Rabies Education and Eradication | | Malibu, CA | Local | 7 | 2024 | $208,200 |
| Columbus Zoological Park Association | | Powell, OH | Local | 6 | 2024 | $149,191 |
| Richard B Fullerton Foundation | | Reno, NV | Local | 3 | 2024 | $60,000 |
| Michael & Ina Korek Foundation Tr 010897 | | Wilmington, DE | National | 7 | 2024 | $31,000 |
| John and Sue Anthony Chariable Trust | | Murfreesboro, AR | National | 5 | 2024 | $30,287 |
| Pfister -Edward Charitable Foundation Inc | | New York, NY | National | 4 | 2024 | $21,000 |
| Stangler Family Foundation | | Cary, NC | National | 6 | 2024 | $21,000 |
| Ad Astra Foundation | | Oklahoma City, OK | Local | 3 | 2024 | $18,500 |
| Seb Charitable Fund | | Brooklyn, NY | Local | 4 | 2024 | $17,500 |
| Warwick Foundation | | Northfield, IL | National | 5 | 2024 | $11,250 |
| George a Bates Memorial Foundation | | Chicago, IL | Local | 1 | 2024 | $10,000 |
| The Caldwell Foundation | | Tyler, TX | Local | 7 | 2024 | $9,000 |
| Harold and Kate Reed Family Foundation | | Minneapolis, MN | National | 4 | 2024 | $7,000 |
| Baker Merine Family Foundation Inc | | Bethesda, MD | National | 4 | 2024 | $5,652 |
| Panthera Corporation | | New York, NY | Local | 1 | 2024 | $5,363 |
| Mary Jean and Oliver Travers Foundation Inc | | Phoenix, MD | Local | 4 | 2024 | $5,000 |
| Loomis Foundation | | New York, NY | National | 6 | 2024 | $5,000 |
| Springcreek Foundation | | Berkeley, CA | National | 1 | 2024 | $5,000 |
| Posner-Wallace Foundation | | Wilmington, DE | National | 7 | 2024 | $2,800 |
| Sterzing Charitable Tr | | Virginia Bch, VA | Local | 2 | 2024 | $1,000 |
| The Steven and Laurie Eskind Family Foundation | | Nashville, TN | Local | 2 | 2024 | $500 |
| Dallas Zoo Management Inc | | Dallas, TX | Local | 5 | 2023 | $40,000 |
| Arthur L Bud Johnson in Memory of Elaine V Johnson Foundation | | Cumming, GA | National | 2 | 2023 | $34,000 |
| United Way of San Luis Obispo County | | Sn Luis Obisp, CA | National | 2 | 2023 | $34,000 |
| The Ann Lacy Foundation | | Oklahoma City, OK | Local | 3 | 2023 | $6,750 |
| Frederick and Diana Prince Foundation | | Washington, DC | National | 6 | 2023 | $6,000 |
| Gould Family Foundation Inc | | Del Mar, CA | Local | 1 | 2023 | $1,200 |
| David M & Hope G Solinger Foundation Inc | | New York, NY | Local | 1 | 2023 | $1,000 |
| Kayne Anderson Capital Advisors Foundation | | Los Angeles, CA | National | 1 | 2023 | $1,000 |
| Awa Family Foundation | | The Plains, VA | National | 2 | 2023 | $450 |
| George V and Rena G Castagnola Family Foundation | | Santa Barbara, CA | Local | 1 | 2023 | $250 |
| Frank C Marino Foundation Inc | | Baltimore, MD | Local | 2 | 2023 | $200 |
| Eye of the Eagle Wildlife Sanctuary Inc | | | National | 1 | 2022 | $250,000 |
| Polly Horton Foundation | | Chicago, IL | Local | 5 | 2022 | $125,000 |
| Aspen Community Foundation | | Basalt, CO | Local | 5 | 2022 | $55,000 |
| Nashville Zoo Inc | | Nashville, TN | National | 4 | 2022 | $51,883 |
| Indianapolis Zoological Society Inc | | Indianapolis, IN | National | 3 | 2022 | $46,127 |
| Max & Victoria Dreyfus Foundation | | Washington, DC | — | 2 | 2022 | $30,000 |
| Patricia Bragg Foundation | | Santa Barbara, CA | Local | 1 | 2022 | $15,000 |
| Zoo Miami Foundation Inc | | Miami, FL | National | 1 | 2022 | $6,985 |
| The Rowe Family Foundation | | Hayfork, CA | Local | 3 | 2022 | $4,000 |
| Lynn Stern and Jeremy Lang Family Foundation Inc | | New York, NY | National | 3 | 2022 | $3,000 |
| Russell Charitable Foundation C/O Andrew K Russell | | | Local | 1 | 2022 | $1,000 |
| Nia Community Foundation | | Wilmington, DE | Local | 2 | 2022 | $800 |
| Edward and Nancy Deutsch Family Foundation Inc | | Bernardsville, NJ | Local | 3 | 2022 | $500 |
| Yablick Charities Inc | | Miami Beach, FL | Local | 3 | 2022 | $300 |
| Anne & Jacob Starr Foundation | | New York, NY | National | 1 | 2022 | $300 |
| Elm Street Foundation | | San Rafael, CA | Local | 2 | 2021 | $15,000 |
| Dietrich American Foundation | | Chester Spring, PA | Local | 2 | 2021 | $13,000 |
| Zoological Association of America Incorporated | | P C Beach, FL | — | 3 | 2021 | $11,833 |
| Gary Saltz Foundation Inc | | New York, NY | Local | 1 | 2021 | $10,000 |
| The Tweten Foundation | | Carmel, CA | Local | 1 | 2021 | $5,000 |
| Kim Seong Choo & Myung Hee Foundation | | Los Angeles, CA | Local | 1 | 2021 | $500 |
| David & Diane Toole Foundation | | Portola Vally, CA | Local | 2 | 2021 | $350 |
| Lawrence and Sandra Post Family Foundation | | Thousand Oaks, CA | Local | 2 | 2021 | $120 |
| Wildlife Conservation Network Inc | | San Francisco, CA | National | 3 | 2020 | $232,103 |
| Friedman - French Foundation Inc | | Washington, DC | National | 3 | 2020 | $153,370 |
| Overall Family Foundation | | | — | 3 | 2020 | $30,000 |
| Jeffrey and Mary Smith Family Foundation | | Teaneck, NJ | National | 2 | 2020 | $15,000 |
| Dallas Zoological Society | | Dallas, TX | Local | 2 | 2020 | $15,000 |
| Charity Bridge Fund | | Weston, CT | National | 1 | 2020 | $10,249 |
| Arjay R & Frances F Miller Foundation | | Woodside, CA | Local | 2 | 2020 | $10,000 |
| Marie Lamfrom Charitable Foundation 091898 | | Wilsonville, OR | Local | 1 | 2020 | $5,000 |
| Maue Kay Foundation | | Encino, CA | National | 1 | 2020 | $2,500 |
| Reynolds American Foundation | | Winston Salem, NC | Local | 2 | 2020 | $450 |
| Fernandez Family Foundation Inc | | Fort Myers, FL | Local | 1 | 2020 | $250 |
| Kass Family Foundation Inc Stephen Kass-Carterledyard & Milburn | | | — | 1 | 2020 | $250 |
| Seaworld & Busch Gardens Conservation Fund | | Orlando, FL | National | 2 | 2019 | $40,000 |
| American Association of Zoo Keepers | | Tucson, AZ | National | 1 | 2019 | $35,173 |
| Horne Family Charitable Foundation Inc | | Boston, MA | National | 2 | 2019 | $30,000 |
| The Bobolink Foundation | | Chicago, IL | Local | 2 | 2019 | $25,000 |
| Arkansas Zoological Foundation Inc | | Little Rock, AR | Local | 1 | 2019 | $15,000 |
| Tom and Judy Love Foundation | | Oklahoma City, OK | Local | 1 | 2019 | $5,000 |
| Lee-Kahn Foundation | | Scotts Valley, CA | Local | 1 | 2019 | $5,000 |
| Lee and Bev Kunz Foundation | | Wheat Ridge, CO | National | 2 | 2019 | $2,500 |
| J Michael Bodnar Foundation Inc | | Menlo Park, CA | National | 1 | 2019 | $1,030 |
| Macnaughton Family Foundation | | | — | 1 | 2019 | $1,000 |
| Rainbolt Family Foundation | | Oklahoma City, OK | Local | 1 | 2019 | $1,000 |
| Winnick Family Foundation Inc | | Woodland Hls, CA | National | 2 | 2019 | $600 |
| Lance & Cindy Ruffel Family Foundation Inc | | Oklahoma City, OK | Local | 1 | 2019 | $300 |
| Ssb Charitable Corporation | | Fort Worth, TX | Local | 1 | 2018 | $50,000 |
| Kirkpatrick Foundation Inc | | Oklahoma City, OK | Local | 1 | 2018 | $10,000 |
| The Emanuel J@Friedman Charitable Trust | | Washington, DC | National | 1 | 2018 | $8,000 |
| Pasadena Community Foundation | | Pasadena, CA | Local | 1 | 2018 | $7,000 |
| Oklahoma City Community Foundation Inc | | Oklahoma City, OK | Local | 1 | 2018 | $5,600 |
| Richard and Diane Van Grunsven Family Foundation | | Wilmington, DE | Local | 1 | 2018 | $2,525 |
| Ford Foundation | | New York, NY | National | 1 | 2018 | $1,110 |
| Malott Family Foundation | | Chicago, IL | Local | 1 | 2018 | $1,000 |
| Maier Family Foundation | | Larkspur, CA | Local | 1 | 2018 | $1,000 |
| Martin Family Charitable Foundation Inc | | Wilmington, DE | National | 1 | 2018 | $500 |