| Butler Family Foundation | | Dubuque, IA | Local | 5 | 2024 | $15,245,630 |
| Golf Charitable Foundation of Greater Des Moines | | Des Moines, IA | Local | 7 | 2024 | $682,445 |
| Community Foundation of Greater Dubuque | | Dubuque, IA | Local | 7 | 2024 | $232,644 |
| Dubuque Racing Association Ltd | | Dubuque, IA | Local | 5 | 2024 | $119,248 |
| Charles J and Marjorie Schrup Jr Family Foundation | | Dubuque, IA | Local | 1 | 2024 | $50,000 |
| Midwestone Bank Foundation | | Iowa City, IA | Local | 6 | 2024 | $50,000 |
| Mathis Pfohl Foundation | | Long Is City, NY | National | 4 | 2024 | $17,700 |
| Falb Family Charitable Foundation | | Dubuque, IA | Local | 7 | 2024 | $17,500 |
| Klauer Foundation Trust | | Chicago, IL | Local | 7 | 2024 | $14,000 |
| Dupaco Rw Hoefer Foundation | | Dubuque, IA | Local | 2 | 2024 | $12,500 |
| Sirk Family Foundation | | Dubuque, IA | Local | 6 | 2024 | $12,450 |
| Hartig Charitable Foundation Tr 061 702 | | Dubuque, IA | Local | 2 | 2024 | $12,000 |
| Spahn & Rose Lumber Co Charitable Foundation | | Dubuque, IA | Local | 7 | 2024 | $6,750 |
| Longshadow Foundation | | Dubuque, IA | Local | 2 | 2024 | $6,000 |
| Alexander D Larson Gift Fund 00670000 | | Dubuque, IA | Local | 6 | 2023 | $438,900 |
| A Y Mcdonald Mfg Co Charitable Foundation | | Dubuque, IA | Local | 4 | 2023 | $80,000 |
| Dupaco Community Credit Union | | | Local | 3 | 2023 | $46,000 |
| Quad Cities Golf Classic Charitable Foundation | | East Moline, IL | Local | 1 | 2023 | $23,768 |
| Greenstate Credit Union | | | Local | 1 | 2023 | $7,500 |
| James & Melita a Mcdonough Foundation | | Dubuque, IA | Local | 1 | 2023 | $5,000 |
| Woodward Foundation | | Dubuque, IA | Local | 3 | 2022 | $30,000 |
| Gantz Foundation Charit Tr | | Dubuque, IA | Local | 2 | 2021 | $1,500 |
| Crescent Electric Charitable Foundation | | East Dubuque, IL | Local | 1 | 2020 | $5,000 |
| Schoen Family Charitable Trust | | Loudon, TN | Local | 1 | 2020 | $1,000 |
| Henry Family Foundation Inc | | Dubuque, IA | Local | 2 | 2019 | $1,500 |
| Humanities Iowa | | Ames, IA | Local | 1 | 2018 | $27,000 |