20 private foundations based in Wisconsin whose IRS 990-PF grant purposes mention the environment; 11 filed application instructions. Data as of 2026-11-02, sorted by grants paid.
Home › States › Wisconsin › Environment & conservation
| Foundation | City | Status | Grants paid | Typical grant | Tax year |
|---|---|---|---|---|---|
| The Argosy Foundation | Milwaukee | Preselected only | $16,820,284 | $28,750 | 2024 |
| Green Bay Packers Foundation | Green Bay | Open to applications | $3,623,694 | $3,500 | 2024 |
| Nicholas Family Foundation Trust C/O Lynn S Nicholas | Mequon | Open to applications | $3,352,000 | $35,000 | 2024 |
| The Afognak Fund | Fox Point | Preselected only | $2,056,075 | $30,000 | 2025 |
| Mrb Foundation Inc | Lake Geneva | Preselected only | $1,418,000 | $5,000 | 2023 |
| Culver'S Foundation Inc | Prairie Du Sac | Open to applications | $1,362,000 | $10,000 | 2024 |
| Clack Foundation Inc | Windsor | Preselected only | $1,277,408 | $25,000 | 2025 |
| Hauske Family Foundation Inc | Milwaukee | Open to applications | $1,099,133 | $5,897 | 2024 |
| Phoebe R And John D Lewis Foundation | Green Bay | Preselected only | $949,000 | $20,000 | 2025 |
| Jerome J And Dorothy H Holz Family Foundation C/O Donald Tushaus | Milwaukee | Open to applications | $902,500 | $10,000 | 2024 |
| David V Uihlein Foundation David Uihlein Racing Museum Foundation | Milwaukee | Preselected only | $740,000 | $20,000 | 2025 |
| Zurn Foundation Inc (Fka Rexnord Foundation Inc) | Milwaukee | Open to applications | $561,288 | $500 | 2024 |
| Duane And Kathleen Foulkes Foundation Inc | Beaver Dam | Preselected only | $554,604 | $2,000 | 2024 |
| Francie Luke Silverman Foundation Under The F Silverman Charitable Tr | Appleton | Open to applications | $545,000 | $5,000 | 2025 |
| Widen Family Foundation Inc | Cottage Grove | Open to applications | $512,300 | $10,000 | 2024 |
| Oscar C & Augusta Schlegel Foundation | Milwaukee | Preselected only | $473,400 | $7,000 | 2025 |
| Josephine P & John J Louis Foundation Inc | Lake Geneva | Preselected only | $433,500 | $2,500 | 2024 |
| John C Bock Foundation | Pickett | Open to applications | $352,300 | $7,500 | 2024 |
| Maihaugen Foundation Inc Agency 1045002262 | La Crosse | Open to applications | $230,955 | $5,000 | 2024 |
| Marcus Corporation Foundation Inc | Milwaukee | Open to applications | $149,100 | $5,000 | 2025 |
