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Data / Nonprofits / Wyoming / Jackson / Environment

Environment nonprofits in Jackson, WY: 33 registered with the IRS

33 environment nonprofits are registered with the IRS in Jackson, WY, 29 of them 501(c)(3) charities; the 21 that report revenue took in $71.9 million. The largest by revenue: Holdfast Trust ($25.9 million), Teton Science Schools ($19.6 million), Jackson Hole Land Trust ($9.8 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Holdfast Trust501(c)(4)2023$25.9 million$1.43 billion2025-12
Teton Science Schools501(c)(3)1974$19.6 million$53.9 million2025-05
Jackson Hole Land Trust501(c)(3)1981$9.8 million$42.5 million2025-06
National Park Friends Alliance501(c)(3)2023$3.1 million$2.8 million2025-12
Astoria Park Conservancy501(c)(3)2018$2.8 million$5.1 million2024-12
Chalten Trust501(c)(4)2023$2 million$118.4 million2025-12
Friends of the Bridger-Teton501(c)(3)2019$1.6 million$404,7922024-12
Wilder Trust501(c)(4)2023$1.3 million$69.5 million2025-12
Tail Wind Trust501(c)(4)2023$1.2 million$66.7 million2025-12
The Jackson Hole One Fly Foundation501(c)(3)1995$926,398$2 million2025-12
Snake River Fund501(c)(3)2003$840,484$2.6 million2025-12
Jackson Hole Conservation Alliance501(c)(3)1980$672,067$2.4 million2024-12
Jackson Hole Center for Global Affairs Inc501(c)(3)2002$406,191$286,8152024-12
Wyoming Wetlands Society501(c)(3)1988$338,401$1.3 million2023-12
Rendezvous Lands Conservancy501(c)(3)2012$334,011$5.4 million2025-09
International Rocky Mountain Stage Stop Sled Dog Race501(c)(3)1997$328,274$344,2932024-06
Advocates for Multi-Use of Public Lands501(c)(3)2017$284,940$136,6252025-12
Yellowstone-Teton Clean Cities Inc501(c)(3)2006$270,887$51,0582024-09
Wilderness Adventures Foundation501(c)(3)2021$107,886$41,6712025-12
Teton Botanical Garden501(c)(3)2013$55,866$163,8972025-12
Wyoming Alliance for Environmental Education501(c)(3)1996$7,653$39,0102025-12
Circle E W Ranch Conservancy Foundation501(c)(3)1996$15.3 million2024-12
Friends of the Jackson National Fish Hatchery501(c)(3)2024$0$02024-12
Great Salt Lake Alliance501(c)(3)2025
JH Climate Action Collective501(c)(3)2021$0$02025-12
Mountain Pursuit501(c)(3)2019$0$02024-12
Pollinator Pathways of the Tetons501(c)(3)2026
Responsible Growth Coalition Inc501(c)(3)2015$0$02025-12
Scenic Preserve Trust of Teton501(c)(3)1978
Timeless Values in Modern Education501(c)(3)2006$0$02025-12
Walking Softer501(c)(3)2022$34.5 million2024-12
Wise501(c)(3)2025$0$02025-12
Wyldlife for Tomorrow501(c)(3)2026

Other causes in Jackson, WY

Every nonprofit in Jackson, WY · Environment 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.