| Dorothy D & Joseph a Moller | | Hillsdale, MI | National | 7 | 2024 | $1,092,600 |
| Community Foundation for Southern Arizona | | Tucson, AZ | Local | 8 | 2024 | $578,174 |
| United Way of Tucson and Southern Arizona Inc | | Tucson, AZ | Local | 8 | 2024 | $265,482 |
| Bill Block Foundation | | Hillsboro, OR | National | 7 | 2024 | $110,000 |
| Jane Elise Hendricks Charitable Tr Dated 10-19-2017 | | Columbus, OH | Local | 4 | 2024 | $110,000 |
| Declaration of Trust of the Joseph and Mary Cacioppo Foundation | | Tucson, AZ | Local | 4 | 2024 | $95,000 |
| Fairways Foundation | | Cincinnati, OH | Local | 6 | 2024 | $92,000 |
| Eleanor K Parker Charitable Trust | | Chicago, IL | Local | 7 | 2024 | $69,423 |
| Orielly Family Foundation | | Tucson, AZ | Local | 5 | 2024 | $67,000 |
| Chris German Memorial Fund Tai 0400178600 | | Chicago, IL | Local | 7 | 2024 | $54,302 |
| Margie E Mayer Irrv Tr 1384908 | | Chicago, IL | Local | 5 | 2024 | $52,830 |
| Fred and Christine Armstrong Foundation | | Tucson, AZ | Local | 8 | 2024 | $52,100 |
| William and Mary Ross Foundation Inc | | Tucson, AZ | Local | 2 | 2024 | $45,000 |
| Steven C Leuthold Family Foundation | | Brevard, NC | National | 6 | 2024 | $29,000 |
| Dorothy Harmsen and Bill Harmsen Sr Charitable Foundation | | Tucson, AZ | Local | 3 | 2024 | $25,000 |
| Witthoft Apprill Not for Profit Corporation | | Oro Valley, AZ | Local | 4 | 2024 | $20,000 |
| The Hs Lopez Family Foundation | | Tucson, AZ | Local | 2 | 2024 | $15,000 |
| Mbk Foundation | | Castro Valley, CA | Local | 6 | 2024 | $6,000 |
| The Carl and Mabel E Shurtz Foundation | | Tucson, AZ | Local | 5 | 2024 | $5,665 |
| The Gordon Foundation | | Tucson, AZ | Local | 4 | 2024 | $5,500 |
| Abraham M and Rose Ellis Foundation | | Philadelphia, PA | National | 5 | 2024 | $5,000 |
| The Michelson Found Animals Foundation Inc | | Los Angeles, CA | Local | 1 | 2024 | $5,000 |
| Haugh Foundation | | Tucson, AZ | Local | 1 | 2024 | $2,000 |
| Haq Family Foundation | | Phoenix, AZ | National | 2 | 2023 | $95,000 |
| Zuckerman Family Foundation | | Tucson, AZ | Local | 1 | 2023 | $20,000 |
| The Duffield Family Foundation | | Pleasanton, CA | National | 2 | 2023 | $15,000 |
| Andrews Family Foundation | | Tucson, AZ | Local | 1 | 2023 | $4,001 |
| Humane World for Animals Inc | | Gaithersburg, MD | National | 2 | 2023 | $500 |
| Lisa Frank Foundation | | Tucson, AZ | Local | 3 | 2023 | $350 |
| Earl M and Margery C Chapman Foundation | | Las Vegas, NV | National | 6 | 2022 | $157,000 |
| John M Simpson Foundation | | Chicago, IL | Local | 5 | 2022 | $100,000 |
| Arnold Salter Family Foundation | | Portland, OR | Local | 4 | 2022 | $50,000 |
| The@Elizabeth Wakeman Henderson Charitable Foundation | | New York, NY | Local | 2 | 2022 | $26,500 |
| Ralph L Smith Foundation 13952400 | | | Local | 2 | 2022 | $25,000 |
| Barbara and William Rosenthal Family Foundation | | Greenville, DE | National | 3 | 2022 | $15,000 |
| Latham Foundation for the Promotion of Humane Education | | Poway, CA | National | 1 | 2022 | $10,000 |
| Paul Bryant Smith Foundation | | San Diego, CA | Local | 1 | 2022 | $5,000 |
| Enterprise Holdings Foundation | | Saint Louis, MO | National | 2 | 2022 | $3,500 |
| Lewis Hertz Foundation | | Tucson, AZ | National | 1 | 2022 | $1,500 |
| Lubin Foundation Inc | | Tucson, AZ | Local | 2 | 2022 | $750 |
| Rockefeller Foundation | | New York, NY | Local | 1 | 2022 | $750 |
| Bruce Foundation | | Chicago, IL | National | 4 | 2021 | $39,000 |
| Jewish Community Foundation of Southern Arizona | | Tucson, AZ | Local | 2 | 2021 | $11,650 |
| Banfield Foundation | | Vancouver, WA | National | 1 | 2021 | $10,294 |
| Russell D Garrett Foundation | | Tucson, AZ | Local | 1 | 2021 | $5,000 |
| Marshall Foundation | | Tucson, AZ | Local | 1 | 2021 | $500 |
| A Frederick Banfield Charitable Tr | | Tucson, AZ | Local | 2 | 2021 | $300 |
| Jamf Nation Global Foundation | | Minneapolis, MN | Local | 1 | 2021 | $25 |
| Simple Generosity Foundation | | Cape Eliz, ME | National | 2 | 2020 | $12,569 |
| Haskell Fund | | Cleveland, OH | National | 2 | 2020 | $10,500 |
| Causecast Foundation | | | — | 1 | 2020 | $5,509 |
| Collier Community Foundation Inc | | Naples, FL | Local | 1 | 2020 | $4,000 |
| Deupree Family Foundation | | Wilmington, DE | National | 1 | 2020 | $1,000 |
| William and Mary Singer Family Foundation | | Canada | Local | 1 | 2020 | $700 |
| Coach Foundation Inc | | New York, NY | National | 1 | 2020 | $101 |
| The Shamrock Foundation | | | — | 1 | 2020 | $100 |
| Mountain Room Foundation Inc | | | — | 1 | 2018 | $1,000 |
| Margaret a Cargill Foundation | | Eden Prairie, MN | National | 1 | 2018 | $50 |