| Dayton Foundation | | Dayton, OH | Local | 6 | 2024 | $1,143,069 |
| Zoetis Foundation Inc | | Parsippany, NJ | Local | 3 | 2024 | $1,100,000 |
| American Veterinary Medical Association | | Schaumburg, IL | Local | 7 | 2024 | $432,500 |
| American Veterinary Medical Association | | Schaumburg, IL | Local | 8 | 2024 | $230,000 |
| Doris Day and Terry Melcher Foundation | | Omaha, NE | National | 2 | 2024 | $200,000 |
| Harold D Wetterberg Foundation | | Morristown, NJ | National | 7 | 2024 | $153,500 |
| Wallaby Foundation for Financial Assistance for Veterinary Care | | Cambridge, MA | National | 5 | 2024 | $50,000 |
| The Stanton Foundation C/O Hemenway & Barnes LLP | | | National | 1 | 2024 | $18,000 |
| Frantzman Scott Charitable Foundation | | Scottsdale, AZ | National | 3 | 2024 | $10,000 |
| Auxiliary to the American Veterinary Medical Association | | Schaumburg, IL | Local | 1 | 2023 | $100,000 |
| Hoveida Family Foundation | | Bainbridge Is, WA | National | 1 | 2023 | $25,000 |
| Florida Veterinary Medical Association Inc | | Orlando, FL | Local | 1 | 2023 | $10,000 |
| Finch Family Foundation | | Pasadena, CA | National | 2 | 2023 | $10,000 |
| Doris Day Animal Foundation | | Omaha, NE | National | 1 | 2022 | $125,000 |
| Knopf Family Foundation Inc | | Wakefield, MA | Local | 3 | 2022 | $45,000 |
| Margaret V Macfarlane Charitable Foundation | | | National | 1 | 2022 | $36,005 |
| Steven C Leuthold Family Foundation | | Brevard, NC | National | 3 | 2022 | $30,000 |
| Louis and Celia Nussman Foundation for the Prevention of Cruelty to | | Montville, NJ | Local | 1 | 2022 | $20,000 |
| Tres Chicas | | Arcadia, CA | Local | 1 | 2022 | $10,000 |
| Lee Ann and Melvin H Jacobs Foundation | | Chicago, IL | National | 3 | 2022 | $4,000 |
| Doris Buffett Legacy Foundation Inc | | Waltham, MA | Local | 1 | 2021 | $10,000 |
| Abramson Family Foundation | | Clifton, NJ | Local | 1 | 2021 | $5,000 |
| Dulude Family Foundation Inc | | Kirkland, WA | National | 1 | 2021 | $2,500 |
| Healthy Paws Foundation | | | National | 1 | 2021 | $1,500 |
| Evans-Cockerline Foundation Inc | | Pennington, NJ | Local | 1 | 2021 | $1,000 |
| The Medvet Charitable Foundation | | Worthington, OH | — | 1 | 2020 | $100,000 |
| Cencora Impact Foundation | | Conshohocken, PA | National | 1 | 2020 | $10,000 |
| Rust Family Foundation | | Fairfield, CT | National | 3 | 2020 | $6,500 |
| Nanette L Fisher Foundation | | Columbus, OH | — | 1 | 2020 | $4,000 |
| Arlene and Forrest Winston Page Foundation Inc | | Southfield, MI | Local | 1 | 2020 | $500 |
| Anderson Valley Foundation | | Hastings, NE | National | 1 | 2019 | $50,000 |
| Bernard & Nancy Karwick Foundation | | Woodbury, NY | National | 2 | 2019 | $20,000 |
| Richard Hill Lambertsen Foundation | | Stillwater, ME | — | 1 | 2019 | $2,900 |
| Eng Family Charitable Tr | | S Portland, ME | National | 1 | 2018 | $200 |