Data / Nonprofits / Oregon / Environment
Environment nonprofits in Oregon: 755 registered with the IRS
755 environment nonprofits are registered with the IRS in Oregon, 730 of them 501(c)(3) charities; the 340 that report revenue took in $806.7 million. The most are in Portland (196), Eugene (54), Corvallis (31). The largest by revenue: Energy Trust of Oregon Inc ($251.2 million), Bonneville Environmental Foundation ($51.8 million), Northwest Energy Efficiency Alliance Inc ($47 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Energy Trust of Oregon Inc | Portland | 501(c)(3) | 2002 | $251.2 million | $96 million | 2024-12 |
| Bonneville Environmental Foundation | Portland | 501(c)(3) | 1998 | $51.8 million | $68.8 million | 2025-03 |
| Northwest Energy Efficiency Alliance Inc | Portland | 501(c)(3) | 1998 | $47 million | $22.4 million | 2025-12 |
| National Network of Abortion Funds | Beaverton | 501(c)(3) | 1994 | $31.7 million | $44.8 million | 2025-06 |
| Forth | Portland | 501(c)(3) | 2014 | $21.8 million | $4.5 million | 2024-12 |
| Oregon Climate Trust | Portland | 501(c)(3) | 1997 | $18.2 million | $25.6 million | 2025-12 |
| Japanese Garden Society of Oregon | Portland | 501(c)(3) | 1963 | $13.1 million | $43.9 million | 2024-12 |
| Lower Columbia Estuary Partnership | Portland | 501(c)(3) | 1999 | $12.3 million | $7.6 million | 2025-06 |
| Green Building Initiative Inc | Portland | 501(c)(3) | 2006 | $11.7 million | $16 million | 2025-12 |
| Western Rivers Conservancy | Portland | 501(c)(3) | 2002 | $11.4 million | $54.4 million | 2025-09 |
| New Buildings Institute Inc | Portland | 501(c)(3) | 1998 | $10.3 million | $5.2 million | 2025-06 |
| Lomakatsi Restoration Project | Ashland | 501(c)(3) | 1995 | $10.3 million | $4.6 million | 2025-09 |
| Organic Materials Review Institute | Eugene | 501(c)(3) | 1997 | $9.1 million | $3.7 million | 2025-06 |
| McKenzie River Trust | Eugene | 501(c)(3) | 1995 | $7.9 million | $27.3 million | 2024-12 |
| McKenzie Watershed Alliance | Springfield | 501(c)(3) | 2021 | $7.6 million | $1.6 million | 2025-09 |
| High Desert Partnership | Burns | 501(c)(3) | 2009 | $7.4 million | $5.9 million | 2025-12 |
| Bird Alliance of Oregon Inc | Portland | 501(c)(3) | 1947 | $7 million | $20.6 million | 2025-06 |
| Deschutes Basin Land Trust | Bend | 501(c)(3) | 1996 | $6.5 million | $28.5 million | 2024-12 |
| Institute for Applied Ecology | Corvallis | 501(c)(3) | 2001 | $6.4 million | $4.5 million | 2024-12 |
| Resource Media A Nonprofit Corporation | Beaverton | 501(c)(3) | 2003 | $6.2 million | $3.2 million | 2024-12 |
| Pacific Fishery Management Council | Portland | 501(c)(3) | 1992 | $6 million | $2.1 million | 2024-12 |
| International Living Future Institute | Portland | 501(c)(3) | 2010 | $5.9 million | $448,554 | 2024-12 |
| Global Electronics Council | Portland | 501(c)(4) | 2006 | $5 million | $5.1 million | 2024-12 |
| Greenbelt Land Trust Inc | Corvallis | 501(c)(3) | 1994 | $4.9 million | $34.4 million | 2025-09 |
| Lake County Umbrella Watershed Council | Lakeview | 501(c)(3) | 2010 | $4.6 million | $477,906 | 2025-12 |
| Hoyt Arboretum Friends Foundation Inc | Portland | 501(c)(3) | 1991 | $4.6 million | $6 million | 2025-12 |
| Friends of Trees | Portland | 501(c)(3) | 1994 | $4.4 million | $2.1 million | 2025-08 |
| Conservation Biology Institute Inc | Corvallis | 501(c)(3) | 1997 | $4.2 million | $1.2 million | 2024-12 |
| Tillamook Estuaries Partnership | Garibaldi | 501(c)(3) | 2002 | $3.8 million | $1.7 million | 2025-09 |
| Willamette Partnership | Portland | 501(c)(3) | 2006 | $3.8 million | $1.7 million | 2025-06 |
| National Network of Abortion Funds | Salem | 501(c)(3) | 1994 | $3.7 million | $6.5 million | 2025-12 |
| Southern Oregon Land Conservancy Inc | Ashland | 501(c)(3) | 1979 | $3.7 million | $19 million | 2024-12 |
| Columbia Riverkeeper | Hood River | 501(c)(3) | 1994 | $3.5 million | $7.8 million | 2024-12 |
| Pacific Ocean Energy Trust | Beaverton | 501(c)(3) | 2016 | $3.5 million | $1 million | 2024-12 |
| North Coast Land Conservancy Inc | Seaside | 501(c)(3) | 1992 | $3.4 million | $34 million | 2025-09 |
| Hood River Watershed Group | Hood River | 501(c)(3) | 2023 | $3.3 million | $672,602 | 2025-12 |
| Klamath Watershed Partnership | Klamath Falls | 501(c)(3) | 1997 | $3.2 million | $1.4 million | 2024-12 |
| Trash for Peace | Portland | 501(c)(3) | 2012 | $3.1 million | $1.2 million | 2024-12 |
| Coos Watershed Association | Coos Bay | 501(c)(3) | 1996 | $3 million | $1.1 million | 2025-12 |
| Our Streets PDX | Portland | 501(c)(3) | 2020 | $3 million | $4.8 million | 2025-06 |
| Free Geek | Portland | 501(c)(3) | 2000 | $3 million | $2.9 million | 2025-09 |
| Rogue River Watershed Council | Central Point | 501(c)(3) | 2008 | $2.9 million | $512,237 | 2025-12 |
| Lan Su Chinese Garden | Portland | 501(c)(3) | 2000 | $2.9 million | $3.5 million | 2024-12 |
| Clackamas River Basin Council | Gladstone | 501(c)(3) | 2004 | $2.9 million | $831,658 | 2024-12 |
| Long Tom Watershed Council | Eugene | 501(c)(3) | 2007 | $2.8 million | $585,656 | 2025-06 |
| Partnership for the Umpqua Rivers | Roseburg | 501(c)(3) | 2001 | $2.8 million | $361,579 | 2025-06 |
| Friends of Zenger Farm | Portland | 501(c)(3) | 1999 | $2.8 million | $2.5 million | 2024-12 |
| Geos Institute | Ashland | 501(c)(3) | 1993 | $2.8 million | $11.7 million | 2025-12 |
| Renewable Northwest Project | Portland | 501(c)(3) | 1997 | $2.7 million | $1.8 million | 2025-12 |
| Deschutes River Conservancy | Bend | 501(c)(3) | 1998 | $2.5 million | $2.6 million | 2025-09 |
| North Fork John Day Watershedcouncil | Long Creek | 501(c)(3) | 2007 | $2.5 million | $1.8 million | 2025-12 |
| Oregon Environmental Council Inc | Portland | 501(c)(3) | 1985 | $2.4 million | $4.1 million | 2025-03 |
| American Whitewater | Springfield | 501(c)(3) | 1972 | $2.4 million | $2.4 million | 2024-12 |
| Friends of the Columbia Gorge Land Trust | Portland | 501(c)(3) | 2007 | $2.3 million | $18.3 million | 2025-06 |
| Oregon Agricultural Trust Inc | Salem | 501(c)(3) | 2020 | $2.2 million | $2.9 million | 2025-12 |
| Johnson Creek Watershed Association | Portland | 501(c)(3) | 2001 | $2.1 million | $634,902 | 2025-06 |
| 1000 Friends of Oregon | Portland | 501(c)(3) | 1975 | $2.1 million | $5.9 million | 2025-03 |
| Grande Ronde Model Watershed Foundation | La Grande | 501(c)(3) | 2004 | $2.1 million | $345,406 | 2025-12 |
| Oregon Natural Resources Council Fund | Portland | 501(c)(3) | 1975 | $2 million | $3.3 million | 2025-09 |
| Crag Law Center | Portland | 501(c)(3) | 2002 | $1.9 million | $4.5 million | 2025-12 |
| Oregon Desert Land Trust | Bend | 501(c)(3) | 2019 | $1.9 million | $18.8 million | 2024-12 |
| Westwind Stewardship Group | Portland | 501(c)(3) | 2005 | $1.7 million | $5.1 million | 2024-12 |
| Solve | Portland | 501(c)(3) | 1970 | $1.7 million | $5.2 million | 2025-09 |
| Our United Villages | Portland | 501(c)(3) | 1998 | $1.7 million | $4 million | 2024-12 |
| Smith River Watershed Council | Reedsport | 501(c)(3) | 2006 | $1.7 million | $101,262 | 2025-12 |
| Willamette River Preservation Trust | Molalla | 501(c)(3) | 2024 | $1.7 million | $1.9 million | 2025-12 |
| World Forestry Center Inc | Portland | 501(c)(3) | 1966 | $1.7 million | $23.5 million | 2025-12 |
| Trailkeepers of Oregon | Portland | 501(c)(3) | 2010 | $1.7 million | $352,938 | 2025-12 |
| Cascadia Wildlands | Eugene | 501(c)(3) | 2001 | $1.6 million | $1.9 million | 2025-06 |
| Bring Recycling | Eugene | 501(c)(3) | 1978 | $1.6 million | $2.8 million | 2025-06 |
| Midcoast Watersheds Council | Newport | 501(c)(3) | 1999 | $1.6 million | $611,343 | 2025-06 |
| Oregon Garden Foundation | Silverton | 501(c)(3) | 1994 | $1.6 million | $2.4 million | 2025-12 |
| Central Oregon Environmental Center Inc | Bend | 501(c)(3) | 1993 | $1.6 million | $3.1 million | 2024-12 |
| Scrap Creative Reuse | Portland | 501(c)(3) | 1999 | $1.5 million | $2.6 million | 2025-06 |
| Sunriver Nature Center & Observatory Inc | Sunriver | 501(c)(3) | 1982 | $1.4 million | $3.2 million | 2024-12 |
| Cool Roof Rating Council Inc | Portland | 501(c)(3) | 1999 | $1.4 million | $3.3 million | 2024-12 |
| Oregon Progress Forum | Portland | 501(c)(3) | 2002 | $1.4 million | $1.2 million | 2024-12 |
| Mazamas | Portland | 501(c)(3) | 1946 | $1.4 million | $3.4 million | 2024-12 |
| Cerro Gordo Land Conservancy | Cottage Grove | 501(c)(3) | 2016 | $1.4 million | $1.7 million | 2024-12 |
| Leach Botanical Garden | Portland | 501(c)(3) | 1982 | $1.4 million | $1 million | 2025-06 |
| Upper Klamath Basin Ag Collaborative | Medford | 501(c)(3) | 2022 | $1.3 million | $397,496 | 2025-12 |
| Siuslaw Watershed Council Inc | Mapleton | 501(c)(3) | 2001 | $1.3 million | $567,148 | 2024-12 |
| Coalition of Oregon Land Trusts | Portland | 501(c)(3) | 2012 | $1.3 million | $1.5 million | 2024-12 |
| Willamette Falls Trust | West Linn | 501(c)(3) | 2016 | $1.3 million | $12.5 million | 2024-12 |
| Opal Creek Ancient Forest Center | Mill City | 501(c)(3) | 1990 | $1.3 million | $3.8 million | 2024-12 |
| Marys River Watershed Council | Corvallis | 501(c)(3) | 2002 | $1.3 million | $1.1 million | 2025-06 |
| Upper Deschutes Watershed Council | Bend | 501(c)(3) | 1997 | $1.2 million | $844,320 | 2025-06 |
| The Forest Park Conservancy | Portland | 501(c)(3) | 1989 | $1.2 million | $1.7 million | 2025-06 |
| Southern Oregon Forest Restoration Collaborative | Jacksonville | 501(c)(3) | 2006 | $1.2 million | $132,702 | 2025-12 |
| Applegate Partnership | Jacksonville | 501(c)(3) | 2000 | $1.2 million | $218,466 | 2025-12 |
| Understory Initiative | Medford | 501(c)(3) | 2018 | $1.2 million | $282,070 | 2024-12 |
| Siskiyou Mountain Club | Talent | 501(c)(3) | 2011 | $1.2 million | $1.9 million | 2024-12 |
| Intertribal Timber Council | Portland | 501(c)(3) | 1996 | $1.1 million | $7.1 million | 2025-09 |
| Walla Walla Watershed Foundation | Milton FRWTR | 501(c)(3) | 2002 | $1.1 million | $274,235 | 2025-12 |
| The Oregon League of Conservation Voters | Portland | 501(c)(4) | 1995 | $1.1 million | $853,311 | 2024-12 |
| Beyond Toxics | Eugene | 501(c)(3) | 2001 | $1.1 million | $1.8 million | 2024-12 |
| Old Town Community Association | Portland | 501(c)(3) | 2020 | $1.1 million | $420,216 | 2025-06 |
| Resource Innovation Institute | Portland | 501(c)(3) | 2018 | $1.1 million | $99,485 | 2024-12 |
| Northwest Environmental Business Council | Lake Oswego | 501(c)(6) | 1999 | $1.1 million | $414,812 | 2025-12 |
| North Coast Watershed Association | Astoria | 501(c)(3) | 2001 | $1 million | $1.6 million | 2025-06 |
| Salmon-Safe | Portland | 501(c)(3) | 2002 | $1 million | $731,668 | 2025-12 |
| Willamette Riverkeeper | Eugene | 501(c)(3) | 1997 | $1 million | $1.7 million | 2024-12 |
| Pacifica-A Garden in the Siskiyous Inc | Williams | 501(c)(3) | 1999 | $1 million | $5 million | 2025-12 |
| Columbia Slough Watershed Council Inc | Portland | 501(c)(3) | 2003 | $1 million | $493,171 | 2025-06 |
| Oregon Parks Forever | Portland | 501(c)(3) | 1995 | $1 million | $1.7 million | 2025-09 |
| South Fork John Day Watershed Council | John Day | 501(c)(3) | 2018 | $954,168 | $290,769 | 2025-06 |
| Friends of Buford Park & Mt Pisgah | Eugene | 501(c)(3) | 1994 | $932,915 | $495,182 | 2024-12 |
| Willamette Cascades Community Land Trust | Dexter | 501(c)(3) | 1991 | $923,062 | $482,014 | 2025-12 |
| Central Oregon Trail Alliance | Bend | 501(c)(3) | 1998 | $913,163 | $806,354 | 2025-12 |
| Mount Pisgah Arboretum | Eugene | 501(c)(3) | 1974 | $902,233 | $2.4 million | 2024-12 |
| American Rhododendron Society | Portland | 501(c)(3) | 1993 | $900,203 | $6.5 million | 2025-06 |
| Rogue Farm Corps | Portland | 501(c)(3) | 2004 | $878,517 | $414,429 | 2025-12 |
| Breach Collective | Eugene | 501(c)(3) | 2020 | $875,780 | $787,707 | 2024-12 |
| Powder Basin Watershed Council | Baker City | 501(c)(3) | 2009 | $864,389 | $207,448 | 2025-06 |
| Lake County Resources Initiative | Lakeview | 501(c)(3) | 2002 | $850,708 | $159,266 | 2024-12 |
| Klamath Siskiyou Wildlands Center | Ashland | 501(c)(3) | 2000 | $841,049 | $972,720 | 2024-12 |
| Bark | Portland | 501(c)(3) | 1999 | $833,712 | $525,610 | 2025-06 |
| Metafoundation | Corvallis | 501(c)(3) | 2006 | $803,401 | $895,101 | 2024-12 |
| Our Childrens Trust | Eugene | 501(c)(3) | 2011 | $791,233 | $4.1 million | 2025-03 |
| Wave Foundation | Portland | 501(c)(3) | 2021 | $775,516 | $178,038 | 2024-12 |
| Artula Institute for Art and Environmental Education | Bandon | 501(c)(3) | 2010 | $768,146 | $227,942 | 2024-12 |
| Corvallis Environmental Center | Corvallis | 501(c)(3) | 1994 | $759,655 | $78,572 | 2024-12 |
| Middle Fork Willamette Watershedcouncil | Springfield | 501(c)(3) | 2008 | $756,027 | $226,110 | 2024-12 |
| Depave | Portland | 501(c)(3) | 2011 | $740,365 | $286,902 | 2024-12 |
| South Santiam Watershed Council | Lebanon | 501(c)(3) | 1997 | $739,600 | $258,187 | 2025-06 |
| Klamath River Inter-Tribal Fish and Water Commission | Klamath Falls | 501(c)(3) | 2000 | $730,162 | $868,706 | 2025-09 |
| Whole Earth Nature School | Eugene | 501(c)(3) | 2013 | $721,927 | $112,142 | 2024-12 |
| Walama Restoration Project | Eugene | 501(c)(3) | 2003 | $706,337 | $96,622 | 2024-12 |
| Oregon Solar Energy Education Fund | Portland | 501(c)(3) | 2019 | $691,122 | $261,615 | 2024-12 |
| Wyeast Resource Conservation and Development Area Council Inc | The Dalles | 501(c)(3) | 1995 | $668,436 | $314,549 | 2024-12 |
| Silvix Resources | Portland | 501(c)(3) | 2023 | $650,993 | $335,684 | 2025-12 |
| Yakona Learning Center | Newport | 501(c)(3) | 2022 | $640,759 | $340,023 | 2024-12 |
| Friends of Netarts Bay Watershed Estuary Beach and Sea | Netarts | 501(c)(3) | 2007 | $634,760 | $598,015 | 2024-12 |
| Oregon League of Conservation Voters Education Fund | Portland | 501(c)(3) | 1995 | $631,320 | $146,955 | 2024-12 |
| Lower Nehalem Watershed Council | Nehalem | 501(c)(3) | 1998 | $630,725 | $1.9 million | 2024-12 |
| Blueenergy | Eugene | 501(c)(3) | 2005 | $630,149 | $716,568 | 2024-12 |
| Calapooia Watershed Council | Brownsville | 501(c)(3) | 2009 | $628,299 | $341,936 | 2026-06 |
| Wetlands Conservancy Inc | Portland | 501(c)(3) | 1981 | $621,275 | $13.6 million | 2025-06 |
| Upper Nehalem Watershed Council | Vernonia | 501(c)(3) | 2003 | $611,100 | $42,707 | 2024-12 |
| Halprin Landscape Conservancy | Portland | 501(c)(3) | 2008 | $590,564 | $36,266 | 2024-12 |
| Tualatin Riverkeepers | Tualatin | 501(c)(3) | 1993 | $588,856 | $196,967 | 2024-12 |
| Oregonians in Action Inc | Tigard | 501(c)(4) | 1991 | $585,099 | $94,876 | 2024-12 |
| Scappoose Bay Watershed Council | Warren | 501(c)(3) | 2002 | $583,448 | $192,166 | 2024-12 |
| Salmonberry Trail Foundation | Hillsboro | 501(c)(3) | 2019 | $579,650 | $460,740 | 2024-12 |
| Greater Hells Canyon Council | Enterprise | 501(c)(3) | 1991 | $570,260 | $409,194 | 2024-12 |
| Heartwood Resources | Roseburg | 501(c)(3) | 2005 | $562,871 | $274,001 | 2024-12 |
| Ecology in Classrooms and Outdoors Northwest | Portland | 501(c)(3) | 2007 | $553,776 | $1.6 million | 2025-12 |
| Luckiamute Watershed Council | Independence | 501(c)(3) | 2016 | $552,204 | $286,896 | 2025-12 |
| Mid John Day Watershed Council | Spray | 501(c)(3) | 2020 | $548,441 | $141,036 | 2025-12 |
| High Desert Horticultural Center | Bend | 501(c)(3) | 2024 | $546,792 | $420,426 | 2025-12 |
| Wallowa Land Trust Inc | Enterprise | 501(c)(3) | 2005 | $535,146 | $2.1 million | 2025-12 |
| Illinois Valley Watershed Council | Cave Junction | 501(c)(3) | 2014 | $534,813 | $125,239 | 2026-06 |
| Northwest Center for Alternatives To Pesticides | Eugene | 501(c)(3) | 1979 | $521,755 | $917,888 | 2025-09 |
| Elakha Alliance | Portland | 501(c)(3) | 2020 | $515,089 | $590,850 | 2024-12 |
| Deschutes River Alliance | Portland | 501(c)(3) | 2014 | $505,975 | $380,464 | 2024-12 |
| Go Alliance | Portland | 501(c)(3) | 2022 | $497,407 | $304,595 | 2025-12 |
| Wild Rivers Land Trust | Port Orford | 501(c)(3) | 2001 | $496,842 | $2.9 million | 2024-12 |
| 350PDX | Portland | 501(c)(3) | 2014 | $485,290 | $192,391 | 2024-12 |
| Glide Water Association | Glide | 501(c)(12) | 1988 | $480,793 | $1.6 million | 2025-09 |
| Yew Creek Land Alliance | Roseburg | 501(c)(3) | 2015 | $457,976 | $1.2 million | 2025-12 |
| Oregon Women in Timber | Dallas | 501(c)(3) | 1979 | $453,303 | $277,795 | 2025-06 |
| Confluence Environmental Center | Portland | 501(c)(3) | 2013 | $451,226 | $677 | 2025-12 |
| Portland Harbor Community Coalition | Portland | 501(c)(3) | 2023 | $435,549 | $336,851 | 2025-12 |
| Darksky Oregon | Bend | 501(c)(3) | 2023 | $435,541 | $435,472 | 2025-12 |
| Hardy Plant Society of Oregon | Portland | 501(c)(3) | 2007 | $434,524 | $373,870 | 2025-09 |
| Forest Biometrics Research Institute | Portland | 501(c)(3) | 2006 | $418,639 | $493,777 | 2025-12 |
| Crooked River Watershed Council | Prineville | 501(c)(3) | 2008 | $410,660 | $102,413 | 2025-12 |
| Wildroots Collective for Learning and Stewardship | Gales Creek | 501(c)(3) | 2020 | $403,050 | $51,013 | 2025-06 |
| Wallowa Mountains Hells Canyon Trails Association | Enterprise | 501(c)(3) | 2017 | $400,764 | $372,861 | 2025-12 |
| Western Resources Legal Center | Portland | 501(c)(3) | 2007 | $388,848 | $1 million | 2025-12 |
| Portland Garden Club | Portland | 501(c)(3) | 1958 | $378,974 | $698,254 | 2025-05 |
| Outdoor Education Adventures | McMinnville | 501(c)(3) | 2020 | $376,962 | $157,670 | 2025-08 |
| Magic Canoe | Portland | 501(c)(3) | 2020 | $376,820 | $1.2 million | 2025-12 |
| Neighbors for Clean Air | Portland | 501(c)(3) | 2011 | $372,899 | $590,034 | 2024-12 |
| Co2 Solved Foundation | Junction City | 501(c)(3) | 2020 | $368,750 | $12,200 | 2024-12 |
| Japanese Garden Foundation of Oregon | Portland | 501(c)(3) | 2002 | $360,398 | $7.6 million | 2024-12 |
| Master Gardener Association | Corvallis | 501(c)(3) | 2001 | $359,019 | $283,538 | 2019-12 |
| Royal Rosarian Foundation | Portland | 501(c)(3) | 1997 | $352,502 | $544,493 | 2025-09 |
| American-Hellenic Educational Center Inc | Portland | 501(c)(3) | 1991 | $347,338 | $1.4 million | 2024-12 |
| Parking Reform Network | Portland | 501(c)(3) | 2019 | $347,252 | $229,220 | 2024-12 |
| RNW Action Fund | Portland | 501(c)(4) | 2026 | $340,000 | $109,975 | 2025-12 |
| Adopt One Block | Portland | 501(c)(3) | 2019 | $334,995 | $287,644 | 2024-12 |
| North Santiam Watershed Council | Stayton | 501(c)(3) | 2018 | $334,896 | $86,238 | 2025-06 |
| Oregon Conservation Education & Assistance Network | Beavercreek | 501(c)(3) | 2015 | $330,849 | $104,596 | 2025-12 |
| Harney County Watershed Council Inc | Hines | 501(c)(3) | 1999 | $326,808 | $138,371 | 2025-06 |
| Physicians for Social Responsibility Inc | Portland | 501(c)(3) | 1970 | $313,736 | $318,213 | 2025-12 |
| Pacific Coast Obstetrical and Gynecological Society | Corvallis | 501(c)(3) | 1979 | $300,357 | $631,171 | 2024-12 |
| Greater Oregon City Watershed Council | Oregon City | 501(c)(3) | 2013 | $299,177 | $59,206 | 2025-06 |
| Freshwaters Illustrated | Corvallis | 501(c)(3) | 2004 | $297,818 | $55,330 | 2025-12 |
| Siskiyou Field Institute | Selma | 501(c)(3) | 2004 | $294,829 | $4 million | 2024-12 |
| Center for Diversity & the Environment | Portland | 501(c)(3) | 2010 | $292,906 | $752,114 | 2025-12 |
| North American Biochar Council | Portland | 501(c)(3) | 2025 | $290,000 | $179,940 | 2024-12 |
| Friends of the Owyhee | Ontario | 501(c)(3) | 2019 | $284,938 | $267,681 | 2024-12 |
| Curry Watersheds Nonprofit | Gold Beach | 501(c)(3) | 2006 | $281,559 | $73,625 | 2025-12 |
| Forest Bridges the O&C Forest Habitat Project Inc | Roseburg | 501(c)(3) | 2019 | $276,223 | $241,592 | 2025-12 |
| Umpqua Fishery Enhancement Derby | Roseburg | 501(c)(3) | 2006 | $276,165 | $577,672 | 2024-12 |
| Fertile Ground Conservancy | Eugene | 501(c)(3) | 2010 | $261,808 | $122,670 | 2025-12 |
| School Garden Project of Lane County | Eugene | 501(c)(3) | 2003 | $259,879 | $128,968 | 2025-08 |
| Tualatin River Watershed Council | Hillsboro | 501(c)(3) | 2004 | $254,143 | $76,648 | 2025-06 |
| Friends of the Tualatin River National Wildlife Refuge | Sherwood | 501(c)(3) | 1996 | $250,667 | $362,498 | 2025-09 |
| Organization of Fire Contractors and Affiliates | Eugene | 501(c)(3) | 2025 | $247,634 | $217,397 | 2025-12 |
| Pudding River Watershed Council | Woodburn | 501(c)(3) | 2017 | $243,003 | $85,608 | 2024-12 |
| Columbia Gorge Stewardship Alliance | Hood River | 501(c)(3) | 2012 | $233,106 | $27,861 | 2025-12 |
| The Beaver Coalition | Jacksonville | 501(c)(3) | 2020 | $231,797 | $379,788 | 2024-12 |
| Human Access Project | Portland | 501(c)(3) | 2013 | $226,653 | $236,135 | 2024-12 |
| Friends of Malheur National Wildlife Refuge | Princeton | 501(c)(3) | 1999 | $219,629 | $392,461 | 2024-12 |
| Elk Creek Watershed Council Inc | Yoncalla | 501(c)(3) | 2003 | $214,793 | $125,845 | 2023-07 |
| Oswego Lake Watershed Council | Lake Oswego | 501(c)(3) | 2011 | $211,899 | $12,291 | 2025-12 |
| Nestucca Nekowin Watershed Council | Pacific City | 501(c)(3) | 2000 | $211,236 | $89,342 | 2025-06 |
| Ashland Climate Collaborative | Ashland | 501(c)(3) | 2022 | $211,127 | $183,154 | 2024-12 |
| Gorge Rebuild-It Community Project | Hood River | 501(c)(3) | 2011 | $209,834 | $126,726 | 2025-06 |
| Bee Girl | Ashland | 501(c)(3) | 2013 | $209,372 | $189,477 | 2025-12 |
| Solar Oregon | Portland | 501(c)(3) | 1982 | $208,625 | $42,785 | 2024-12 |
| Netcorps | Eugene | 501(c)(3) | 1997 | $207,493 | $73,171 | 2024-12 |
| Natural Cork Council | Salem | 501(c)(3) | 2024 | $207,004 | $7,144 | 2025-12 |
| Van Veen Heritage Garden | Portland | 501(c)(3) | 2019 | $205,309 | $324,107 | 2025-06 |
| World Salmon Council Inc | Portland | 501(c)(3) | 2013 | $202,826 | $38,019 | 2025-06 |
| Accelerated Restoration Collaborative | Tualatin | 501(c)(3) | 2024 | $199,794 | $22,335 | 2024-12 |
| Blue Mountains Forest Partners | Mt Vernon | 501(c)(3) | 2014 | $199,533 | $56,058 | 2025-12 |
| Friends of Hendricks Park | Eugene | 501(c)(3) | 2002 | $198,983 | $1 million | 2024-12 |
| Oregon Climate and Agriculture Network | Portland | 501(c)(3) | 2025 | $192,863 | $201,171 | 2025-12 |
| Maqlaqs Paddle | Klamath Falls | 501(c)(3) | 2025 | $192,464 | $147,182 | 2025-12 |
| Eco-School Network | Portland | 501(c)(3) | 2007 | $189,907 | $204,528 | 2025-06 |
| Owyhee Defense Fund | Jordan Valley | 501(c)(3) | 2015 | $188,079 | $97,929 | 2025-12 |
| Nvn-Nes-A Land Trust | Eugene | 501(c)(3) | 2024 | $185,950 | $177,888 | 2025-12 |
| Corvallis Sustainability Coalition | Corvallis | 501(c)(3) | 2010 | $185,721 | $454,230 | 2024-12 |
| Blue Mountains Biodiversity Project | Fossil | 501(c)(3) | 2019 | $185,445 | $153,061 | 2024-12 |
| Pacific Rivers | Portland | 501(c)(3) | 1992 | $184,058 | $202,409 | 2024-12 |
| Healthy Habitat Org | Lake Oswego | 501(c)(3) | 2019 | $182,432 | $78,617 | 2024-09 |
| Pollinator Project Rogue Valley | Phoenix | 501(c)(3) | 2021 | $181,914 | $107,420 | 2025-12 |
| People of Color Outdoors | Portland | 501(c)(3) | 2024 | $180,130 | $110,952 | 2025-06 |
| Turfgrass Water Conservation Alliance Limited | Lebanon | 501(c)(3) | 2014 | $178,019 | $135,993 | 2024-12 |
| The Crest | Ashland | 501(c)(3) | 2018 | $176,956 | $499,126 | 2025-12 |
| Sons of Smokey | Marylhurst | 501(c)(3) | 2020 | $174,143 | $95,466 | 2025-12 |
| Intertwine Alliance Foundation | Portland | 501(c)(3) | 2011 | $171,211 | $17,048 | 2025-06 |
| Izaak Walton League of America Inc | Eugene | 501(c)(3) | 1985 | $170,144 | $354,615 | 2025-12 |
| Dirty Freehub | Bend | 501(c)(3) | 2021 | $168,792 | $170,787 | 2025-09 |
| Southern Oregon Climate Action Now | Jacksonville | 501(c)(3) | 2014 | $162,140 | $130,239 | 2025-12 |
| State Forests Trusts of Oregon | Salem | 501(c)(3) | 1999 | $159,808 | $523,122 | 2025-06 |
| Watchable Wildlife Foundation Inc | Ashland | 501(c)(3) | 2016 | $158,480 | $752,108 | 2025-12 |
| Cascade Volunteers | Springfield | 501(c)(3) | 2018 | $157,102 | $98,914 | 2025-12 |
| Umatilla Basin Watershed Foundation Inc | Pendleton | 501(c)(3) | 2000 | $154,557 | $40,116 | 2025-12 |
| Salem Audubon Society | Stayton | 501(c)(3) | 1971 | $153,684 | $877,671 | 2025-09 |
| Mercury Free Mining Inc | Corvallis | 501(c)(3) | 2019 | $153,329 | $27,292 | 2024-12 |
| James Recycling | Portland | 501(c)(3) | 2023 | $151,308 | $120,381 | 2025-12 |
| Loco Por La Aventura | Portland | 501(c)(3) | 2024 | $150,658 | $161,721 | 2025-12 |
| Willamette Falls Heritage Area Coalition Inorporated | Marylhurst | 501(c)(3) | 2012 | $150,252 | $335,637 | 2025-06 |
| Oregon Tree Farm Systems Inc | Eugene | 501(c)(3) | 1994 | $146,358 | $603,862 | 2025-12 |
| Landwatch Lane County Inc | Eugene | 501(c)(3) | 2013 | $145,315 | $137,632 | 2026-01 |
| South Umpqua Rural Community Partnership | Tiller | 501(c)(3) | 2008 | $143,154 | $128,231 | 2024-12 |
| Portland Botanical Gardens | Portland | 501(c)(3) | 2020 | $142,806 | $21,009 | 2024-12 |
| Curry Community Cares | Brookings | 501(c)(3) | 2019 | $126,528 | $504,832 | 2025-06 |
| Healthy Forests Healthy Communities | Portland | 501(c)(4) | 2003 | $125,617 | $226,016 | 2025-12 |
| Community Festivals Association Inc | Oakridge | 501(c)(3) | 2002 | $123,556 | $35,890 | 2025-12 |
| Green Sports Alliance Foundation | Portland | 501(c)(3) | 2015 | $122,769 | $213,443 | 2024-12 |
| Coast Range Association Inc | Corvallis | 501(c)(3) | 1992 | $121,432 | $70,609 | 2024-12 |
| Rivers of Life Center | Oregon City | 501(c)(3) | 2014 | $120,707 | $65,347 | 2024-12 |
| Rogue Basin Water Unsers Council Inc | Talent | 501(c)(3) | 2005 | $117,618 | $19,487 | 2024-12 |
| Sustainable Klamath | Klamath Falls | 501(c)(3) | 2005 | $115,626 | $124,915 | 2026-04 |
| Umpqua Watersheds | Roseburg | 501(c)(3) | 1997 | $114,073 | $246,595 | 2024-12 |
| Renewable Energy Scholarship Foundation | Portland | 501(c)(3) | 2005 | $113,834 | $174,661 | 2025-12 |
| Portland Garden Club Foundation | Portland | 501(c)(3) | 1995 | $109,162 | $4.6 million | 2025-05 |
| Pacific Currents Inc | Bandon | 501(c)(3) | 2025 | $106,020 | $43,593 | 2025-12 |
| Willamette Resources & Educational Network | Eugene | 501(c)(3) | 2001 | $105,752 | $38,563 | 2025-12 |
| Friends of the Rogerson Clematis Collection | Lake Oswego | 501(c)(3) | 2004 | $104,873 | $331,074 | 2025-12 |
| Applegate Siskiyou Alliance | Jacksonville | 501(c)(3) | 2018 | $104,781 | $153,205 | 2025-12 |
| Learning Gardens Laboratory | Aurora | 501(c)(3) | 2024 | $102,992 | $40,947 | 2025-12 |
| Lake Oswego Chamber Foundation | Lake Oswego | 501(c)(3) | 2003 | $101,513 | $56,142 | 2025-09 |
| Ospirg Foundation Inc | Portland | 501(c)(3) | 1995 | $99,987 | $435,694 | 2025-06 |
| Umbrella | Portland | 501(c)(3) | 2007 | $98,777 | $192,343 | 2025-06 |
| Cascade Head Biosphere Collaborative | Otis | 501(c)(3) | 2023 | $98,101 | $143,485 | 2025-12 |
| Baker Resources Coalition | Baker City | 501(c)(3) | 2024 | $97,725 | $39,383 | 2025-12 |
| Native Plant Society of Oregon | Eugene | 501(c)(3) | 1982 | $94,032 | $334,670 | 2025-12 |
| Cartm | Manzanita | 501(c)(3) | 1997 | $92,348 | $39,928 | 2025-06 |
| Worthy Garden Club | Bend | 501(c)(3) | 2014 | $89,742 | $924,815 | 2024-12 |
| Umatilla County Law Enforcement Association | Pendleton | 501(c)(5) | 2009 | $87,466 | $302,378 | 2026-06 |
| Northwest Environmental Advocates | Portland | 501(c)(3) | 1982 | $85,631 | $251,713 | 2024-12 |
| Home Orchard Education Center | Oregon City | 501(c)(3) | 2021 | $85,352 | $29,292 | 2025-12 |
| Marion County Master Gardeners Association | Salem | 501(c)(3) | 1998 | $84,064 | $133,283 | 2025-12 |
| Crooked River Weed Management Area | Prineville | 501(c)(3) | 2003 | $83,878 | $44,160 | 2025-12 |
| Oregon Urban Rural and Community Forestry | Talent | 501(c)(3) | 2023 | $83,478 | $8,229 | 2024-12 |
| Cascadia Wild | Portland | 501(c)(3) | 2000 | $82,715 | $64,219 | 2026-03 |
| Master Gardener Association | Covallis | 501(c)(3) | 2001 | $82,146 | $184,087 | 2025-12 |
| Tryon Creek Watershed Council | Portland | 501(c)(3) | 2014 | $81,880 | $110,476 | 2025-12 |
| Elk Rock Garden Foundation | Portland | 501(c)(3) | 1994 | $78,363 | $5.2 million | 2024-12 |
| Looptfoundation | Portland | 501(c)(3) | 2018 | $78,031 | $16,567 | 2023-12 |
| Deschutes County Search and Rescue Inc | Bend | 501(c)(3) | 2002 | $77,741 | $265,350 | 2025-12 |
| Place Initiative | Portland | 501(c)(3) | 2023 | $76,438 | $23,237 | 2024-12 |
| Lord and Schryver Conservancy | Salem | 501(c)(3) | 2005 | $76,277 | $705,450 | 2024-12 |
| Master Gardener Association | Corvallis | 501(c)(3) | 2001 | $73,652 | $132,062 | 2025-12 |
| Greater Yamhill Watershed Council | McMinnville | 501(c)(3) | 2011 | $73,015 | $5,084 | 2025-06 |
| Urban Greenspaces Institute | Portland | 501(c)(3) | 1999 | $71,846 | $133,715 | 2025-06 |
| Pacific City Dorymens Association | Pacific City | 501(c)(3) | 2004 | $70,967 | $303,610 | 2025-12 |
| Sprague River Water Resource Foundation Inc | Bly | 501(c)(3) | 1999 | $70,191 | $266,197 | 2025-12 |
| The Oregon State Federation of Garden Clubs Inc | Otis | 501(c)(3) | 2003 | $68,386 | $358,141 | 2025-06 |
| Oregon Sustainable Agriculture Land Trust Inc | Portland | 501(c)(3) | 2003 | $68,038 | $2.9 million | 2024-12 |
| Wapato Table | Portland | 501(c)(3) | 2025 | $65,600 | $12,924 | 2024-12 |
| Baker County Association of Conservation Districts | Baker City | 501(c)(3) | 1996 | $64,644 | $48,380 | 2024-12 |
| Sea Watch Inc | Portland | 501(c)(3) | 1995 | $62,907 | $12,371 | 2025-12 |
| Oregon Coast Alliance | Salem | 501(c)(3) | 2011 | $62,669 | $13,197 | 2025-12 |
| Shoreline Education for Awareness Sea Inc | Bandon | 501(c)(3) | 1991 | $61,174 | $49,398 | 2025-12 |
| Pacific Northwest Forest Service Association Inc | Portland | 501(c)(3) | 2002 | $56,931 | $165,362 | 2025-12 |
| Oregon Stewardship | Medford | 501(c)(3) | 1995 | $56,493 | $110,828 | 2025-12 |
| Tainable Regenerative Agricultural Laboratory | McMinnville | 501(c)(3) | 2022 | $53,125 | $195,460 | 2025-12 |
| Bird Conservation Oregon | Colton | 501(c)(3) | 2023 | $51,155 | $111,543 | 2025-12 |
| Network of Oregon Watershed Councils | Hillsboro | 501(c)(3) | 2006 | $49,592 | $68,714 | 2025-06 |
| Main Street Mosier | Mosier | 501(c)(3) | 2000 | $48,552 | $194,954 | 2025-09 |
| Lane County Audubon Society | Eugene | 501(c)(3) | 1997 | $43,798 | $149,025 | 2025-12 |
| Connie Hansen Garden Conservancy | Lincoln City | 501(c)(3) | 1995 | $42,746 | $639,471 | 2025-06 |
| Northwest Land Conservation Trust | Eugene | 501(c)(3) | 2012 | $41,577 | $328,292 | 2025-12 |
| Mission Street Parks Conservancy | Salem | 501(c)(3) | 2019 | $38,373 | $127,003 | 2025-12 |
| McKenzie Masters Foundation | Eugene | 501(c)(3) | 2013 | $34,190 | $87,341 | 2025-12 |
| Oregon Business Alliance for Climate | Portland | 501(c)(4) | 2019 | $33,504 | $18,559 | 2025-12 |
| Oregon Maple Project | Parkdale | 501(c)(3) | 2020 | $33,205 | $37,805 | 2025-09 |
| Climate Protection and Restoration Initiative | Eugene | 501(c)(3) | 2021 | $32,700 | $19,294 | 2025-12 |
| Oregon Rangeland Trust | Pendleton | 501(c)(3) | 2005 | $31,492 | $3.5 million | 2025-12 |
| Blue Mountains Conservancy Inc | La Grande | 501(c)(3) | 2009 | $29,581 | $302,872 | 2025-12 |
| East Cascades Audubon Society | Bend | 501(c)(3) | 1974 | $28,860 | $203,894 | 2025-12 |
| Oregon Water Education Foundation | Oregon City | 501(c)(3) | 2017 | $28,486 | $27,234 | 2025-12 |
| Parkdale Valley Land Trust | Parkdale | 501(c)(3) | 2008 | $26,585 | $69,449 | 2025-12 |
| Milwaukie Parks Foundation | Milwaukie | 501(c)(3) | 2018 | $25,679 | $99,961 | 2025-12 |
| One Feather Corporation | Winston | 501(c)(3) | 2025 | $25,536 | $4,198 | 2025-12 |
| Oregon Coast Trail Foundation Inc | Tillamook | 501(c)(3) | 2019 | $20,734 | $78,260 | 2026-06 |
| Blue Mountain Habitat Restoration Council | Pendleton | 501(c)(3) | 2001 | $19,930 | $839,477 | 2023-12 |
| Upper Deschutes River Coalition | Sunriver | 501(c)(3) | 2006 | $19,250 | $36,307 | 2025-12 |
| Morning Star Conservancy Inc | Rogue River | 501(c)(3) | 2023 | $18,859 | $40,221 | 2025-12 |
| The Steamboaters | Idleyld Park | 501(c)(3) | 1996 | $17,600 | $171,290 | 2025-08 |
| True North Navigators | Medford | 501(c)(3) | 2018 | $16,690 | $12,081 | 2024-12 |
| Ariel Weissmann Foundation | Portland | 501(c)(3) | 2024 | $16,684 | $89,643 | 2025-12 |
| Rockaway Community Education | Rockaway BCH | 501(c)(3) | 2023 | $13,356 | $5,629 | 2024-12 |
| Central Coast Land Conservancy Inc | Depoe Bay | 501(c)(3) | 1998 | $12,659 | $213,160 | 2025-12 |
| United States Biochar Initiative | Portland | 501(c)(3) | 2016 | $10,453 | $25,822 | 2025-12 |
| Ontos Foundation | Happy Valley | 501(c)(3) | 2022 | $10,178 | $178,672 | 2025-12 |
| Three Sequoia Land Conservation | Portland | 501(c)(3) | 2016 | $10,162 | $514,113 | 2025-12 |
| Tenmile Lakes Association | Lakeside | 501(c)(3) | 2016 | $6,829 | $42,051 | 2025-09 |
| Safewoods Foundation | Beaverton | 501(c)(3) | 2022 | $3,968 | $1 | 2024-12 |
| Elk Creek Watershed Coalition | Drain | 501(c)(3) | 2025 | $3,519 | $3,519 | 2025-12 |
| Recycle Beauty Company | Lake Oswego | 501(c)(3) | 2017 | $1,250 | $1,393 | 2024-12 |
| 1 Percent for Your Kids | Milwaukie | 501(c)(3) | 2025 | $935 | $67 | 2025-12 |
| Jefferson State Four Wheel Drive Association | Medford | 501(c)(3) | 2024 | $338 | $87 | 2020-12 |
| 364us | Lake Oswego | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| 44trails Inc | Hood River | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| A M A O S Inc | Eugene | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Abandoned Vehicle Solutions | Bend | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Addyse Lane Palagyi Nature Center and Preserve | Salem | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Adventure Aid | Eugene | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Aetervaja Inc | La Grande | 501(c)(3) | 2026 | |||
| Agua Pura Para El Pueblo | Happy Valley | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Aisig Restore | Portland | 501(c)(3) | 2026 | |||
| Albany Grand Prairie Garden Club | Lebanon | 501(c)(3) | 2026 | |||
| Alchemy Ranch | Port Orford | 501(c)(3) | 2026 | |||
| All Relations Experiential Active L Earning | Port Orford | 501(c)(3) | 2025 | |||
| Alliance for Land Indigenous and Environmental Defenders | Eugene | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Alliance for Low Input Sustainable Turf | Corvallis | 501(c)(3) | 2015 | $189,552 | 2025-12 | |
| Alpine Trail Crew Assocation | Oakridge | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Alsea Valley Alliance | Alsea | 501(c)(3) | 2001 | $0 | $0 | 2024-09 |
| Amazon River Keepers International | Tualatin | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| American Aquifers | Coos Bay | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| American Begonia Society | Oregon City | 501(c)(3) | 1977 | $0 | $0 | 2025-07 |
| American Perimeter Trail Conference | Bend | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| American Rhododendron Society | Eugene | 501(c)(3) | 1974 | $0 | $0 | 2025-08 |
| Amplify Ability Corporation | Portland | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Applegate Trails Association | Jacksonville | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Apples To Applesauce | Portland | 501(c)(3) | 2026 | |||
| Artists4action | Fall Creek | 501(c)(3) | 2012 | $0 | $0 | 2023-12 |
| Ashland Garden Club | Ashland | 501(c)(3) | 2025 | $0 | $0 | 2025-06 |
| Backcountry Horsemen of Oregon Inc | Klamath Falls | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Baseline Education Foundation | Eugene | 501(c)(3) | 2026 | |||
| Batwater Station Npo | Clatskanie | 501(c)(3) | 2025 | |||
| Be Noble | Eugene | 501(c)(3) | 2014 | $0 | $627,416 | 2025-12 |
| Be the Change Rogue | Ashland | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Betair | Portland | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Birding for the People | Portland | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Black Butte Conservancy | Sisters | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Blue Mountain Horticultural Society | Milton FRWTR | 501(c)(5) | 1999 | $0 | $0 | 2025-12 |
| Bonsai Society of Portland Oregon Inc | Happy Valley | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Bountiful Backyard | Philomath | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Branch Out | Portland | 501(c)(3) | 2024 | $0 | $0 | 2026-03 |
| Breitenbush Eco Fund | Salem | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Bridges Toward Connection | Milwaukie | 501(c)(3) | 2024 | $0 | $1 | 2026-03 |
| Brookings-Harbor Garden Club Inc | Brookings | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Bruin Nature Conservancy | Cave Junction | 501(c)(3) | 1998 | $0 | $0 | 2024-12 |
| Build Soil | Corvallis | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Cabbage Lane | Portland | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Camas Swale Educational Network | Eugene | 501(c)(3) | 2001 | $0 | $0 | 2023-12 |
| Camp Liberty Us | Florence | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Canby Garden Club | Canby | 501(c)(3) | 2023 | $0 | $0 | 2026-01 |
| Capital City Disc Golf | Salem | 501(c)(3) | 2013 | $0 | $0 | 2026-03 |
| Caribbean Ecology Institute | Portland | 501(c)(3) | 2026 | |||
| Carlton Pollinator Project | Carlton | 501(c)(3) | 2026 | |||
| Cascade Mycological Society | Eugene | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Cascade Wildfire Service Corps | Portland | 501(c)(3) | 2026 | |||
| Cascades Environmental Alliance | Bend | 501(c)(3) | 2025 | |||
| Cascadia Action | Portland | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Cascadia Magical Activists | Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Cascadia Media Lab | Portland | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Cascara Camping Association | Philomath | 501(c)(3) | 2024 | |||
| Central Oregon Flyfishers | Bend | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Central Oregon Land Cruisers | Bend | 501(c)(3) | 2026 | |||
| Champagne Creek Ranch Inc | Roseburg | 501(c)(3) | 2019 | $571,015 | 2025-12 | |
| Chehalem Mountain Water Council Inc | Portland | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Cherry City Orchid Society | Jefferson | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Circle Game Incorporated | La Grande | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Circumpolar Conservation Union | Portland | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Citizen Cleaners | Eugene | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Citizens for Columbia River Gorge National Scenic Area | The Dalles | 501(c)(3) | 1993 | $0 | $0 | 2024-12 |
| Claggett Creek Watershed Council | Keizer | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Clean Air Foundation | Gresham | 501(c)(3) | 2024 | |||
| Climate Jobs Oregon | Portland | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Climate Jobs Oregon Action Fund | Portland | 501(c)(4) | 2026 | $0 | $0 | 2025-12 |
| Climate Optimists | Portland | 501(c)(3) | 2026 | |||
| Climate Stewards Collective | Portland | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Cloud Conservation Group | Coos Bay | 501(c)(3) | 2026 | |||
| Coast Range Natural Resources Educational Organization | Corvallis | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Columbia Gorge Conservation Group | The Dalles | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Columbia Watershed Environmental Advocates Inc | Portland | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Community Ecology Center | Corbett | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Compost Casa | Lexington | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Conflitti Energy Systems Engineering Institute | Ashland | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Connect Bend | Bend | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Conscious Growth | Portland | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Consumptive Conservationist Collective Inc | Portland | 501(c)(3) | 2020 | $0 | $0 | 2025-10 |
| Cooper Spur Wild and Free | Portland | 501(c)(3) | 2005 | $0 | $3,850 | 2025-12 |
| Coos Beekeepers Association | Coquille | 501(c)(3) | 2022 | $0 | $0 | 2026-06 |
| Coos Commons Protection Council | Coquille | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Coquille Valley Garden Club Inc | Coos Bay | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Corvallis Chapter Native Plant Soci Ety of Oregon | Corvallis | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Coyle Outside Foundation | Corvallis | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Crater Lake Institute | Jacksonville | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Crestmont Land Trust | Corvallis | 501(c)(3) | 2014 | $2.2 million | 2025-12 | |
| Cultural & Ecological Enhancement Network | Selma | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Deschutes Basin Native Plantseedbank | Prineville | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Deschutes Trails Coalition | Bend | 501(c)(3) | 2026 | |||
| Disciples of Dirt | Eugene | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Dodes Elk Creek Watershed Non Profit | Trail | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Earthontheedge Inc | Happy Valley | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| East Africa Energy Solutions | Tigard | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Eastern Oregon Climate Change Coalition | Pendleton | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Eastern Oregon Conservation Burial | Cove | 501(c)(3) | 2026 | |||
| Eastern Oregon Trail Alliance | John Day | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Eco-Smart Foundation | Gresham | 501(c)(3) | 2025 | |||
| Ecola Creek Awareness Project | Cannon Beach | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Ecoregon - the Environmental Concert of Oregon | Corvallis | 501(c)(3) | 2017 | $0 | $0 | 2023-09 |
| Ecoseva Institute | Milwaukie | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Edmunds Well Wildlife Sanctuary | Bend | 501(c)(3) | 2001 | $0 | $75 | 2025-12 |
| Edward Byrom Garden | Tualatin | 501(c)(3) | 2017 | $0 | $0 | 2024-06 |
| Electrify Ashland | Ashland | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Electrify Corvallis | Corvallis | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Elizabeths Garden | Hillsboro | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Emerald Chapter of the Native Plant Society of Oregon | Springfield | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Envi Crochet | Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ethiopian Environment and Sustainable Development Council | Corvallis | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Ethos Earth Land | Lakeview | 501(c)(3) | 2024 | $385 | 2025-12 | |
| Every Day Regeneration | Portland | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Ezra Foundation | Eugene | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Faithworks Restoration Ministry | Monmouth | 501(c)(3) | 2026 | |||
| Family Forests of Oregon | Salem | 501(c)(3) | 2026 | $0 | $0 | 2025-10 |
| Federation of Western Outdoor Clubs | Portland | 501(c)(4) | 2019 | $0 | $0 | 2025-12 |
| Focus Climate Community Fund | Hood River | 501(c)(3) | 2025 | |||
| Forest Access for All | Baker City | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Friends and Neighbors of the Deschutes Canyon Area | Terrebonne | 501(c)(3) | 2012 | $0 | $0 | 2025-09 |
| Friends of Benton Gardeners | Corvallis | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Friends of Crater Lake National Park | Medford | 501(c)(3) | 1993 | $0 | $0 | 2025-12 |
| Friends of Douglas-Fir National Monument | Bend | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Friends of Fall Creek Watershed Inc | Lowell | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Friends of Fish Lake | Bend | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Friends of Fox Creek | Rainier | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Friends of Irtg | Portland | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Friends of Iverson Park | Myrtle Creek | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Friends of Kitson Springs | Oakridge | 501(c)(3) | 2026 | |||
| Friends of Liberty Hill | Portland | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Friends of Living Oregon Waters | Grants Pass | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Friends of Luscher Farms | Lake Oswego | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Friends of Maddax Woods | West Linn | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Friends of Multnomah Falls | Troutdale | 501(c)(3) | 1990 | $0 | $0 | 2025-12 |
| Friends of Otter Rock | Depoe Bay | 501(c)(3) | 2025 | |||
| Friends of Polk County Oregon | Monmouth | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Friends of Rock Creek | Portland | 501(c)(4) | 2009 | $0 | $0 | 2026-06 |
| Friends of Rudio Mountain | Gales Creek | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Friends of Smith & Bybee Lakes | Portland | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Friends of Spinreel - Oregon Dunes | Veneta | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Friends of West Salem Watersheds | Salem | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Friends of Willa Lake | Salem | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Friends of the Breitenbush Cascades | Lyons | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Friends of the Central Cascades Wilderness | Bend | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Metolius | Camp Sherman | 501(c)(3) | 1995 | $0 | $0 | 2026-04 |
| Friends of the Portland Memory Garden | Portland | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Friends of the Tumalo Wildlife Corridor | Bend | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Front St Community Bike Works | Coos Bay | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Full Circle Food Initiative Charitable Trust | Florence | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Giganteum | Portland | 501(c)(3) | 2026 | |||
| Goodland Institute | Portland | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Greater Hart-Sheldon Conservation Fund | Bend | 501(c)(3) | 2011 | $1.4 million | 2024-12 | |
| Green Roof Info Think Thank | Portland | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Greenhouses for All | Portland | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Ground Score Association | Portland | 501(c)(3) | 2025 | |||
| H4X | Portland | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Habitat Conservation Group | Portland | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Half Moon Bay Coastside Foundation | Roseburg | 501(c)(3) | 2000 | $3,005 | 2025-12 | |
| Hardy Plant Garden Club of Bend Oregon | Bend | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
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.