| The Wallace Research Foundation | | Cedar Rapids, IA | National | 3 | 2024 | $167,885 |
| The James Huntington Foundation C/O Mr Samuel H Ellis | | | Local | 5 | 2024 | $56,000 |
| Jewish Community Foundation of Southern Arizona | | Tucson, AZ | Local | 1 | 2024 | $43,000 |
| Elizabeth Read Taylor Foundation | | Tucson, AZ | Local | 4 | 2024 | $37,500 |
| Ginny L Clements Charitable Tr | | Tucson, AZ | Local | 2 | 2024 | $5,500 |
| Community Foundation for Southern Arizona | | Tucson, AZ | Local | 6 | 2023 | $255,243 |
| Southwestern Foundation for Education & Historical Preservatio | | Denver, CO | Local | 4 | 2023 | $101,800 |
| D and R Charitable Fund | | Oak Lawn, IL | Local | 2 | 2023 | $40,000 |
| Cynthia & Geo Mitchell Foundation | | The Woodlands, TX | Local | 1 | 2023 | $20,000 |
| Wenaas Family Fondation | | Windsor, CO | Local | 1 | 2023 | $5,000 |
| Kai Family Foundation | | Tucson, AZ | Local | 3 | 2023 | $3,000 |
| Margaret E Mooney Foundation | | Tucson, AZ | Local | 3 | 2022 | $375,000 |
| Frederick Gardner Cottrell Foundation | | Tucson, AZ | Local | 1 | 2022 | $25,000 |
| Walker Foundation | | Edmonds, WA | Local | 1 | 2022 | $1,000 |
| The Legacy Foundation of Southeast Arizona | | Sierra Vista, AZ | Local | 1 | 2021 | $1,000 |
| United Way of Tucson and Southern Arizona Inc | | Tucson, AZ | Local | 4 | 2020 | $25,000 |
| Arizona Humanities Council | | Phoenix, AZ | Local | 1 | 2020 | $15,000 |
| Thomas R Brown Family Private Foundation | | Tucson, AZ | Local | 1 | 2020 | $7,500 |
| John K and Aline L Goodman Foundation | | Tucson, AZ | Local | 1 | 2020 | $5,000 |
| Hullar Foundation | | Portland, OR | Local | 1 | 2020 | $1,000 |
| Evo and Ora Deconcini and Thu Family Foundation | | Tucson, AZ | Local | 1 | 2018 | $500 |