| Virginia G Piper Charitable Trust 08-11-95 | | Phoenix, AZ | Local | 6 | 2024 | $6,278,500 |
| Stardust Foundation Inc | | Scottsdale, AZ | Local | 1 | 2024 | $1,000,000 |
| Howard and Frankie Alper Family Foundation | | Scottsdale, AZ | Local | 5 | 2024 | $263,625 |
| Frederick B & Pamela a Rentscher Foundation Inc | | Scottsdale, AZ | Local | 1 | 2024 | $100,000 |
| Silverman Family Foundation | | Phoenix, AZ | Local | 8 | 2024 | $85,000 |
| William L and Ruth T Pendleton Memorial Fund | | Milwaukee, WI | Local | 5 | 2024 | $59,500 |
| Craig and Barbara Barrett Foundation | | Paradise Vly, AZ | National | 2 | 2024 | $28,250 |
| Charlie Russell Riders Foundation Inc | | Bigfork, MT | National | 1 | 2024 | $25,000 |
| Don Nierling Memorial Foundation 99-0482012000 | | Chicago, IL | Local | 1 | 2024 | $25,000 |
| A G Cox Char Tr 15128-00-2 | | Chicago, IL | Local | 2 | 2024 | $20,000 |
| Christine and Paul Branstad Family Foundation | | LA Porte, IN | National | 6 | 2024 | $16,000 |
| Paul Dyck Foundation Research Institution of American Indian | | Peoria, AZ | Local | 3 | 2024 | $8,000 |
| Irving & Arline Gordon Memorial Foundation | | Scottsdale, AZ | Local | 3 | 2024 | $2,932 |
| The@Bay Foundation | | Bay Village, OH | Local | 1 | 2024 | $500 |
| Thomas J Gordon Foundation | | Kerrville, TX | Local | 1 | 2024 | $250 |
| Livingston Foundation | | Phoenix, AZ | Local | 3 | 2023 | $1,395 |
| Schlein Foundation Inc | | Scottsdale, AZ | Local | 3 | 2023 | $300 |
| The Steven G Mihaylo Foundation | | Tempe, AZ | Local | 5 | 2022 | $22,000 |
| Valley Heritage Foundation | | Scottsdale, AZ | Local | 3 | 2022 | $13,500 |
| Roger S Firestone Foundation | | Pennington, NJ | National | 2 | 2022 | $10,000 |
| Bnsf Foundation | | Fort Worth, TX | National | 1 | 2022 | $10,000 |
| Strong Foundation of New York | | New York, NY | Local | 5 | 2022 | $9,000 |
| Smithsonian Institute | | Washington, DC | National | 1 | 2022 | $7,000 |
| Robert H Mckee and Mary Ellen Mckee Charitable Family Foundation | | | Local | 3 | 2022 | $625 |
| Ellen Glazer Ziegler Foundation | | Des Moines, IA | National | 1 | 2021 | $100,000 |
| Jack Ingebritson Foundation Inc | | Scottsdale, AZ | Local | 1 | 2021 | $20,000 |
| Otto & Edna Neely Foundation | | Gilbert, AZ | Local | 1 | 2021 | $15,000 |
| Pivotal Foundation | | Phoenix, AZ | National | 2 | 2021 | $15,000 |
| Papp Family Foundation | | Phoenix, AZ | Local | 2 | 2021 | $1,228 |
| Michael and Carmen Duffek Foundation Inc | | Anthem, AZ | National | 1 | 2021 | $760 |
| Lynn Foundation | | Scottsdale, AZ | Local | 1 | 2021 | $460 |
| Tender Blessings Foundation | | Lakewood Rch, FL | Local | 1 | 2021 | $250 |
| Scottsdale Arts | | Scottsdale, AZ | Local | 1 | 2020 | $500,000 |
| Flinn Foundation | | Phoenix, AZ | Local | 1 | 2020 | $5,000 |
| L Roy Papp Charitable Trust | | Phoenix, AZ | Local | 1 | 2020 | $1,000 |
| David Rothschild Memorial Foundation | | Northbrook, IL | Local | 1 | 2020 | $160 |
| David E Reese Family Foundation | | Paradise Vly, AZ | — | 1 | 2019 | $15,000 |
| Roenigk Family Foundation | | | Local | 1 | 2019 | $500 |
| David Sen Lin Lee Foundation | | Palo Alto, CA | Local | 1 | 2019 | $500 |
| Robert H and Susan F Castellini Foundation | | Cincinnati, OH | Local | 1 | 2018 | $5,000 |
| Ceres Foundation | | Northfield, IL | National | 1 | 2018 | $4,000 |
| Ferrill Family Foundation Co Harve a Ferrill | | | — | 1 | 2018 | $1,000 |