| Community Foundation of Johnson | | Coralville, IA | Local | 4 | 2024 | $689,693 |
| Dne Caplan Family Foundation | | Iowa City, IA | Local | 6 | 2024 | $35,600 |
| Rpc Inc Charitable Foundation | | Iowa City, IA | Local | 4 | 2024 | $25,500 |
| Kenneth K Kinsey Family Foundation | | Iowa City, IA | Local | 5 | 2024 | $2,900 |
| Perry Foundation | | Iowa City, IA | Local | 7 | 2024 | $2,100 |
| Gary a Wicklund Family Foundation | | Coralville, IA | Local | 5 | 2024 | $1,250 |
| Enterprise Holdings Foundation | | Saint Louis, MO | National | 3 | 2023 | $5,500 |
| Richard James Mccann Foundation | | Wheaton, IL | Local | 4 | 2023 | $4,000 |
| H Filmore and Marjory M Melick Foundation | | West Liberty, IA | — | 5 | 2022 | $26,500 |
| Frontstream Global Fund | | Washington, DC | National | 1 | 2022 | $6,382 |
| Hodge Family Foundation | | Iowa City, IA | Local | 1 | 2022 | $500 |
| Hills Bank Donor Advised Gift Fund | | North Liberty, IA | Local | 1 | 2021 | $9,100 |
| Reuben & Muriel Savin Fdn | | | Local | 3 | 2020 | $8,000 |
| Krause Gentle Foundation | | | Local | 1 | 2020 | $1,000 |
| The Accel Foundation | | Waverly, IA | Local | 1 | 2020 | $500 |
| Telligen Community Initiative | | West Des Moines, IA | National | 1 | 2019 | $34,609 |
| John R Wright and Eloise Mountain Wright Foundation | | Houston, TX | National | 1 | 2018 | $5,000 |
| Tim Terry & Gretchen Rice-Terry Foundation Ltd | | | Local | 1 | 2018 | $100 |