| Kent Corporation Charitable Foundation | | Muscatine, IA | Local | 7 | 2024 | $3,251,550 |
| Jensen Private Foundation Inc | | Muscatine, IA | Local | 7 | 2024 | $1,865,200 |
| Herbert L and Nancy M Townsend Foundation | | Wilton, IA | Local | 7 | 2024 | $1,686,119 |
| Roy J Carver Charitable Tr | | Muscatine, IA | Local | 3 | 2024 | $895,000 |
| Hni Charitable Foundation | | Muscatine, IA | Local | 7 | 2024 | $607,516 |
| Holthues Tr | | Muscatine, IA | National | 5 | 2024 | $535,000 |
| Hws Charitable Foundation Inc | | Cedar Rapids, IA | National | 1 | 2024 | $515,000 |
| Jhk Charitable Foundation | | Muscatine, IA | Local | 2 | 2024 | $299,395 |
| Trueman Patrick Wigim Charitable Trust | | Tampa, FL | Local | 6 | 2024 | $147,588 |
| Stanley Consultants Charitable Foundation | | Muscatine, IA | Local | 5 | 2024 | $147,500 |
| New Hope Foundation | | Muscatine, IA | National | 7 | 2024 | $30,000 |
| Samueli Foundation | | Corona Dl Mar, CA | Local | 1 | 2024 | $4,000 |
| Jill and Thomas Siering Family Foundation | | Naples, FL | National | 1 | 2024 | $500 |
| Central Bancshares Charitable Foundation | | Muscatine, IA | Local | 1 | 2023 | $250,000 |
| Iowa Council of Foundations | | Wdm, IA | Local | 5 | 2023 | $72,850 |
| The@Marillyn M and Robert W Schlutz Family Foundation | | Columbus Jct, IA | — | 3 | 2022 | $58,000 |
| H Filmore and Marjory M Melick Foundation | | West Liberty, IA | — | 2 | 2019 | $15,000 |
| Edwin R Hicklin Memorial Scholarship Fund Co Hills Bank and Trust Ttee | | | — | 1 | 2018 | $64,765 |
| Foundation for Advancing Technology and Community Giving | | | — | 1 | 2018 | $64 |