Data / Nonprofits / South Dakota / Eagle Butte
Nonprofits in Eagle Butte, SD: 22 registered with the IRS
22 nonprofits are registered with the IRS in Eagle Butte, SD, 20 of them 501(c)(3) charities; the 10 that report revenue took in $42.8 million. The largest by revenue: Four Bands Community Fund Inc ($20.5 million), Akiptan ($9.1 million), Sacred Heart Center ($3.6 million). Most common causes: human services (4), education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Four Bands Community Fund Inc | Community improvement and capacity building | 501(c)(3) | 2000 | $20.5 million | $57.2 million | 2025-12 |
| Akiptan | Public and societal benefit | 501(c)(3) | 2018 | $9.1 million | $49 million | 2025-12 |
| Sacred Heart Center | Human services | 501(c)(3) | 1946 | $3.6 million | $5.7 million | 2025-06 |
| Mni Waste Water Company | Mutual and membership benefit | 501(c)(12) | 2019 | $3.5 million | $100.2 million | 2025-09 |
| Cheyenne River Youth Project Inc | Youth development | 501(c)(3) | 2012 | $3.2 million | $12.2 million | 2025-06 |
| Native Biodata Consortium | Arts, culture and humanities | 501(c)(3) | 2019 | $1 million | $2.1 million | 2022-12 |
| Native Womens Society of the Great Plains Reclaiming Our Sacredness | Human services | 501(c)(3) | 2008 | $637,917 | $228,206 | 2025-09 |
| Keya Foundation Inc | Education | 501(c)(3) | 2014 | $482,630 | $128,585 | 2025-12 |
| Windswept Academy | Education | 501(c)(3) | 2008 | $479,259 | $873,857 | 2025-06 |
| Cheyenne River Long-Term Recovery Group | Public safety, disaster preparedness and relief | 501(c)(3) | 2023 | $246,739 | $61,613 | 2025-12 |
| Cheyenne River Lakota Ventures | Community improvement and capacity building | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Eagle Butte Community Club Inc | 501(c)(3) | 1979 | $0 | $0 | 2025-12 | |
| Eagle Butte Lakota Chapel | 501(c)(3) | 1970 | ||||
| Fool Soldier Fund | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Lighthouse of Eagle Butte Inc | Religion-related | 501(c)(3) | 2009 | |||
| Mustard Seed | Human services | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Project H3LP | Recreation and sports | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Sungmanitu Youth Development Center Wolves Youth Development Center | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Taylor Trucking Institute | Employment | 501(c)(3) | 2025 | |||
| Tri-County Water Association Inc | 501(c)(12) | 1982 | $0 | $0 | 2025-09 | |
| Wakanyeja Wokiciyaka | Human services | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Wild Horses Building Champions Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
By cause in Eagle Butte, SD
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.