Data / Nonprofits / South Dakota / Porcupine / Human services
Human services nonprofits in Porcupine, SD: 4 registered with the IRS
4 human services nonprofits are registered with the IRS in Porcupine, SD, 4 of them 501(c)(3) charities; the 4 that report revenue took in $1.5 million. The largest by revenue: Chanku Waste Ranch ($676,120), Winyan Wicayuonihan Oyanke-Where All Women Are Honored ($445,638), Knife Chief Buffalo Nation Society ($276,827).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Chanku Waste Ranch | 501(c)(3) | 2018 | $676,120 | $796,350 | 2025-12 |
| Winyan Wicayuonihan Oyanke-Where All Women Are Honored | 501(c)(3) | 2022 | $445,638 | $67,617 | 2023-12 |
| Knife Chief Buffalo Nation Society | 501(c)(3) | 2020 | $276,827 | $340,070 | 2024-12 |
| Lakota Friends Circle | 501(c)(3) | 2014 | $83,353 | $68,147 | 2025-12 |
Other causes in Porcupine, SD
Every nonprofit in Porcupine, SD · Human services nonprofits across the state · 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.