Largest private foundations in Wyoming
| # | Foundation | City | Focus area | Total assets |
|---|---|---|---|---|
| 1 | Natrona Collective Health Trust | Casper | Health Care | $288.3 million |
| 2 | Cumming Foundation | Jackson | Philanthropy, Voluntarism & Grantmaking Foundations | $243.3 million |
| 3 | Emerald Gate Charitable Trust | Jackson | Philanthropy, Voluntarism & Grantmaking Foundations | $178.9 million |
| 4 | Sage Foundation Inc | Wilson | Philanthropy, Voluntarism & Grantmaking Foundations | $171.9 million |
| 5 | Whitney Benefits Inc | Sheridan | Not listed | $130.0 million |
| 6 | The Lynn And Foster Friess Family Foundation | Jackson | Religion-Related | $128.1 million |
| 7 | Malone Family Foundation | Encampment | Philanthropy, Voluntarism & Grantmaking Foundations | $88.3 million |
| 8 | John P Ellbogen Foundation | Casper | Philanthropy, Voluntarism & Grantmaking Foundations | $61.2 million |
| 9 | Liana Foundation Inc | Jackson | Philanthropy, Voluntarism & Grantmaking Foundations | $57.2 million |
| 10 | Wold Foundation | Casper | Not listed | $53.1 million |
| 11 | National Museum Of Military Vehicles | Dubois | Arts, Culture & Humanities | $50.2 million |
| 12 | George B Storer Foundation Inc | Jackson | Not listed | $49.2 million |
| 13 | Pamela And Wayne Garrison Family Foundation | Big Horn | Philanthropy, Voluntarism & Grantmaking Foundations | $43.7 million |
| 14 | Ebor Charitable Tr | Jackson | Human Services | $36.7 million |
| 15 | The Martin Family Foundation | Casper | Philanthropy, Voluntarism & Grantmaking Foundations | $35.9 million |
| 16 | Issa Foundation | Cheyenne | Human Services | $35.5 million |
| 17 | Pharos Foundation | Jackson | Philanthropy, Voluntarism & Grantmaking Foundations | $31.6 million |
| 18 | Henry A McKinnell Foundation | Jackson | Philanthropy, Voluntarism & Grantmaking Foundations | $31.3 million |
| 19 | Bluelight Heals Corporation | Cheyenne | Health Care | $28.8 million |
| 20 | Marna M Kuehne Foundation | Sheridan | Not listed | $27.6 million |
| 21 | West Wings Family Foundation | Jackson | Philanthropy, Voluntarism & Grantmaking Foundations | $27.1 million |
| 22 | Primrose Foundation | Wilson | Philanthropy, Voluntarism & Grantmaking Foundations | $25.0 million |
| 23 | Joe And Arlene Watt Foundation Inc | Sheridan | Philanthropy, Voluntarism & Grantmaking Foundations | $24.5 million |
| 24 | Homer A Scott And Mildred S Scott Foundation | Sheridan | Not listed | $24.4 million |
| 25 | Wolf Mountain Foundation | Wheatland | Philanthropy, Voluntarism & Grantmaking Foundations | $24.4 million |
The full list includes all 456 Wyoming foundations with street address, ZIP, EIN, focus area, income and tax period, plus every other state.
Wyoming cities with the most private foundations
- Sheridan: 88
- Jackson: 74
- Cheyenne: 55
- Casper: 45
- Wilson: 31
- Buffalo: 16
- Teton Village: 15
- Laramie: 11
- Cody: 11
- Lander: 7
Most common focus areas in Wyoming
- Philanthropy, Voluntarism & Grantmaking Foundations: 224
- Education: 44
- Human Services: 15
- Religion-Related: 14
- Community Improvement & Capacity Building: 12
- Public & Societal Benefit: 11
- Arts, Culture & Humanities: 10
- Recreation & Sports: 8
Where does this data come from?
The IRS Exempt Organizations Business Master File, downloaded in October 2026 and filtered to private foundations. Assets are as reported on each foundation's latest return on file. Foundations with no focus area code are shown as Not listed.