| Mercy Health Services Iowa Corp | | Sioux City, IA | Local | 7 | 2024 | $385,446 |
| First Citizens Charitable Foundation Inc | | Mason City, IA | Local | 7 | 2024 | $122,000 |
| Tomson Fam Foundation Tr | | Mason City, IA | Local | 2 | 2024 | $49,000 |
| David & Phyllis Murphy Charitable Foundation | | Mason City, IA | Local | 3 | 2024 | $35,000 |
| Soener Foundation | | Omaha, NE | National | 1 | 2024 | $8,000 |
| Kinney-Lindstrom Foundation Inc | | Mason City, IA | Local | 2 | 2023 | $45,000 |
| Dorothy Ann Weitzel and Thomas F Weitzel Charitable Foundation | | Clear Lake, IA | Local | 2 | 2023 | $40,792 |
| The Mentor Network Charitable Foundation Inc | | Quincy, MA | National | 1 | 2023 | $1,250 |
| Beth E Reinhart Charitable Trust | | Mason City, IA | Local | 5 | 2022 | $50,000 |
| J D Nelson and Debra Nelson Charitable Foundation | | Clear Lake, IA | National | 1 | 2022 | $15,000 |
| Farrer Endowment Foundation | | Mason City, IA | Local | 3 | 2020 | $15,000 |
| Random Acts of Humach Foundation | | Dubuque, IA | Local | 1 | 2020 | $75 |
| Cft Foundation | | Mason City, IA | Local | 1 | 2019 | $10,000 |
| Bertha Stebens Charitable Foundation | | Wilmington, DE | Local | 2 | 2019 | $10,000 |
| United Way of North Central Iowa | | Mason City, IA | Local | 1 | 2019 | $10,000 |
| Storz Charitable Tr | | Festus, MO | Local | 1 | 2019 | $1,000 |
| Planting Seeds of Kindness Trust | | | — | 1 | 2018 | $100 |