Data / Nonprofits / Oregon / Mutual and membership benefit
Mutual and membership benefit nonprofits in Oregon: 231 registered with the IRS
231 mutual and membership benefit nonprofits are registered with the IRS in Oregon, 38 of them 501(c)(3) charities; the 63 that report revenue took in $150.5 million. The most are in Portland (42), Salem (8), Eugene (6). The largest by revenue: Oregon Homecare Workers Benefit Trust ($36 million), Ua Local No 290 Plumber Steamfitter & Shipfitter Ind Ed SCH and Vacati ($19.2 million), West Oregon Electric Cooperative Inc ($16 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Oregon Homecare Workers Benefit Trust | Portland | 501(c)(9) | 2015 | $36 million | $24 million | 2024-12 |
| Ua Local No 290 Plumber Steamfitter & Shipfitter Ind Ed SCH and Vacati | Tualatin | 501(c)(9) | 1999 | $19.2 million | $17.4 million | 2024-12 |
| West Oregon Electric Cooperative Inc | Vernonia | 501(c)(12) | 1945 | $16 million | $52.8 million | 2025-12 |
| Ibew No 271-Neca Health and Benefit Fund | Portland | 501(c)(9) | 2007 | $14.5 million | $22.2 million | 2024-12 |
| Paradigm Indemnity Corporation | Corvallis | 501(c)(3) | 2005 | $13.2 million | $60 million | 2024-12 |
| Nelson Trust | Portland | 501(c)(9) | 1967 | $11.9 million | $37.7 million | 2024-12 |
| Elks Youth Eye Service | Portland | 501(c)(3) | 1966 | $7.8 million | $62 million | 2025-03 |
| Regional District Council Welfare Plan & Trust | Portland | 501(c)(9) | 2008 | $7 million | $29.9 million | 2025-06 |
| Northwest Automotive Traders Association Group Health Trust | Gladstone | 501(c)(9) | 2019 | $4.9 million | $348,036 | 2025-09 |
| Clackamas County Sheriffs Office Independent Retirement Medical Tru | Portland | 501(c)(9) | 2015 | $2.5 million | $6.9 million | 2024-12 |
| Western States Police Medical Trust | Portland | 501(c)(9) | 2003 | $2.4 million | $8.4 million | 2024-12 |
| Northwest Firefighters Relief Association Veba Trust | Lake Oswego | 501(c)(9) | 2021 | $2.3 million | $8.9 million | 2025-06 |
| Enlighten Veba Hra Trust | Eugene | 501(c)(9) | 2017 | $1.1 million | $6.3 million | 2024-12 |
| Regional District Council Vacation Trust Fund | Portland | 501(c)(9) | 2007 | $831,138 | $865,013 | 2025-06 |
| Southern Oregon Lodge No 2647 Loyal Order of the Moose | Medford | 501(c)(8) | 2024 | $805,468 | $171,200 | 2025-04 |
| River View Cemetery Merchandise and Services Trust | Portland | 501(c)(13) | 2006 | $803,423 | $5.3 million | 2024-12 |
| Associated Loggers Health Benefit T Rust | Salem | 501(c)(9) | 2026 | $782,697 | $1,564 | 2024-12 |
| Clackamas Fire Health Trust | Milwaukie | 501(c)(9) | 2018 | $602,050 | $2.3 million | 2024-12 |
| Oregon State Chapter P E O Sisterhood Trust Fund | Portland | 501(c)(3) | 1984 | $534,247 | $530,935 | 2026-03 |
| Oregon and S Idaho Laborers Employers Cooperation and Edu Trust | Portland | 501(c)(5) | 2014 | $457,067 | $820,580 | 2024-12 |
| Barlow Water District | Tygh Valley | 501(c)(12) | 2003 | $433,473 | $2.4 million | 2025-06 |
| Lapine Lodge No 2093 Loyal Order of Moose | La Pine | 501(c)(8) | 2025 | $424,605 | $761,995 | 2025-04 |
| Scappoose Drainage Improvement Co | Scappoose | 501(c)(12) | 1999 | $388,831 | $1.3 million | 2026-06 |
| Oregon Solar Energy Industries Association | Portland | 501(c)(6) | 2004 | $353,856 | $91,709 | 2024-12 |
| Eugene Masonic Cemetery Association Inc | Eugene | 501(c)(3) | 1994 | $341,915 | $1.6 million | 2024-12 |
| Oregon State Assessors and Tax Collectors Association | Saint Helens | 501(c)(6) | 2024 | $326,552 | $205,292 | 2025-12 |
| Delphic Club | Portland | 501(c)(7) | 2016 | $309,055 | $3,941 | 2025-07 |
| Alpha Sigma House Corporation | Eugene | 501(c)(7) | 2018 | $306,857 | $2.1 million | 2025-08 |
| CW&CE Ibew 271-Neca Health and Benefit Fund | Portland | 501(c)(9) | 2024 | $297,185 | $554,813 | 2025-06 |
| Central Coast Clean Water Company | Depoe Bay | 501(c)(12) | 2023 | $268,489 | $135,541 | 2025-12 |
| Tualatin Valley Fire & Rescue Non-Union Veba Trust | Tigard | 501(c)(9) | 2016 | $248,414 | $1.3 million | 2024-12 |
| The Dalles Lodge No 2075 Loyal Order of Moose | The Dalles | 501(c)(8) | 2025 | $214,052 | $336,887 | 2026-04 |
| Mountainside Cemetery Association of Scholls | Hillsboro | 501(c)(13) | 2025 | $188,470 | $1.5 million | 2023-03 |
| C H R District Improvement Company | Otis | 501(c)(12) | 2009 | $179,111 | $908,812 | 2025-06 |
| Eureka Cemetery and Mausoleum Association | Newport | 501(c)(13) | 2015 | $179,008 | $201,398 | 2024-12 |
| Fraternal Order of Eagles | The Dalles | 501(c)(8) | 1991 | $177,981 | $986,619 | 2023-05 |
| United Employers Association Group Health Trust | Portland | 501(c)(9) | 2019 | $177,567 | $33,644 | 2024-12 |
| St James Cemetery Association | McMinnville | 501(c)(13) | 1931 | $170,921 | $1.7 million | 2025-12 |
| Eagle-Elsner Inc Health Benefit Trust | Tigard | 501(c)(9) | 2012 | $164,597 | $41,916 | 2025-12 |
| Petes Mountain Water Company | Durham | 501(c)(12) | 2017 | $161,167 | $1.2 million | 2025-06 |
| Mackenzie Engineering Inc Veba Trust | Portland | 501(c)(9) | 2015 | $159,673 | $1.2 million | 2025-12 |
| Milton-Freewater Oregon Lodge 2146 Benevolent Protective Order of Elk | Milton FRWTR | 501(c)(8) | 1951 | $126,215 | $196,182 | 2026-03 |
| Hood River Electric Cooperative Veba Trust | Odell | 501(c)(9) | 2021 | $124,329 | $407,192 | 2025-12 |
| Emergency Assistance Fund for Horizon Air Employees | Portland | 501(c)(3) | 1996 | $122,241 | $953,914 | 2024-12 |
| Oregon Independent Medical Coalition | Portland | 501(c)(6) | 2026 | $114,000 | $60,401 | 2025-12 |
| 2828 Corbett Inc | Portland | 501(c)(2) | 2006 | $107,343 | $2.9 million | 2025-06 |
| Ancient Free & Accepted Masons of Oregon | Portland | 501(c)(10) | 1950 | $97,901 | $370,613 | 2025-12 |
| Riverside Cemetery Association of Albany Oregon | Albany | 501(c)(3) | 2024 | $95,818 | $1 million | 2025-12 |
| Champoeg Cemetery Association | Aurora | 501(c)(13) | 2020 | $89,441 | $1.3 million | 2024-12 |
| Gillespie Cemetery Association | Eugene | 501(c)(13) | 2014 | $79,369 | $557,259 | 2025-12 |
| Oregon State Grange Patrons of Husbandry | Portland | 501(c)(8) | 1944 | $76,400 | $482,233 | 2024-12 |
| Springfield Lodge 70 of Independent Order of Odd Fellows | Springfield | 501(c)(8) | 2024 | $72,908 | $38,795 | 2025-12 |
| Waldport Lodge No 396 | Waldport | 501(c)(8) | 2025 | $47,580 | $312,035 | 2026-04 |
| The North Palestine Cemetery Association | Albany | 501(c)(13) | 1999 | $47,394 | $591,711 | 2025-12 |
| Union Cemetery Association of Crawfordsville | Sweet Home | 501(c)(13) | 1999 | $43,967 | $2.2 million | 2026-04 |
| Wes Linn Water Company | Corvallis | 501(c)(12) | 2004 | $36,644 | $96,031 | 2025-12 |
| Function 4 Junction Association | Junction City | 501(c)(3) | 2022 | $35,366 | $19,845 | 2025-12 |
| Ladies Auxiliary To Woodburn Aerie No 3284 Fraternal Order of Eagles | Woodburn | 501(c)(8) | 1991 | $18,083 | $1,244 | 2019-05 |
| Claggett Cemetery Corporation | Keizer | 501(c)(13) | 2014 | $15,432 | $797,781 | 2025-06 |
| Rose City Motorcycle Club | Portland | 501(c)(7) | 2025 | $14,404 | $4,245 | 2025-12 |
| Seiu Local 49 Building | Portland | 501(c)(2) | 2020 | $13,305 | $1.1 million | 2024-12 |
| Oregon Health and Fitness Alliance | Tualatin | 501(c)(6) | 2022 | $139 | $21,178 | 2025-12 |
| Oregon Coast Hosts | Pacific City | 501(c)(4) | 2023 | $78 | $15,360 | 2025-12 |
| 56 Hermes | Aurora | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| 6453 Alumni | Beaverton | 501(c)(6) | 2022 | $0 | $0 | 2024-12 |
| Academy for Behavior Change | Bend | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
| Adah 34 Eastern Star Chapter | Jefferson | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Adams Cemetery Association Inc | Molalla | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Aloha Chapter No 5 Order of the Eastern Star of Oregon | Klamath Falls | 501(c)(8) | 2013 | $0 | $0 | 2024-06 |
| American Association of University Women | Pendleton | 501(c)(4) | 2014 | $0 | $0 | 2026-06 |
| American Federation of State County & Municipal Employees | McMinnville | 501(c)(5) | 1957 | $0 | $0 | 2025-12 |
| Ancient Free & Accepted Masons of Oregon | Sandy | 501(c)(10) | 1950 | $0 | $0 | 2026-04 |
| Ancient Free & Accepted Masons of Oregon | Troutdale | 501(c)(10) | 1950 | $0 | $0 | 2025-04 |
| Association of Seventh-Day Adventist Optometrists | Imbler | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Aurora Community Cemetery Association Incorporated | Aurora | 501(c)(13) | 2014 | $0 | $0 | 2025-12 |
| Bear Creek Cemetery Association | Canby | 501(c)(13) | 2005 | $0 | $0 | 2025-12 |
| Beaver 106 Order of Eastern Star | Portland | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Beaver Moose Legion No 171 | Colton | 501(c)(8) | 2022 | $0 | $0 | 2026-04 |
| Bentwood Estates Improvement Distri CT | Redmond | 501(c)(12) | 2026 | $0 | $0 | 2025-12 |
| Billy Webb Elks Lodge 1050 | Portland | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Brooks Catholic Cemetery Association | Brooks | 501(c)(5) | 2012 | $0 | $0 | 2025-12 |
| Brookwood Water System | Welches | 501(c)(12) | 2013 | $0 | $0 | 2026-06 |
| Buxton Cemetery Association | Buxton | 501(c)(13) | 2024 | $0 | $0 | 2026-06 |
| Camp Polk Pioneer Cemetery Preservation Committee | Sisters | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Capitol Area Mustang Club Inc | Salem | 501(c)(7) | 2019 | $0 | $0 | 2025-12 |
| Caveman Four Wheelers | Grants Pass | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Cedar Hill Cemetery of Oakland Oregon | Winston | 501(c)(13) | 2024 | $0 | $0 | 2025-12 |
| Chart Water Supply Inc | Hermiston | 501(c)(12) | 2023 | $0 | $0 | 2025-12 |
| Cherry Heights Water Improvement District | Medford | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Clarkes Pioneer Cemetery Inc | Beavercreek | 501(c)(13) | 2012 | $0 | $0 | 2025-12 |
| Cliff Side Cemetery Association | Sandy | 501(c)(13) | 2014 | $0 | $0 | 2025-12 |
| Cloverdale Cemetery Association | Salem | 501(c)(13) | 2014 | $0 | $0 | 2026-04 |
| Coles Valley Cemetery Assocation | Umpqua | 501(c)(13) | 2000 | $0 | $0 | 2026-04 |
| Comstock Cemetery Association | Cottage Grove | 501(c)(13) | 2011 | $0 | $0 | 2025-06 |
| Coos River Cemetary Association | North Bend | 501(c)(13) | 2018 | $0 | $0 | 2025-12 |
| Cox Cemetery | Alsea | 501(c)(13) | 2026 | $0 | $0 | 2025-12 |
| Cultivate Bend | Bend | 501(c)(6) | 2023 | $0 | $0 | 2024-12 |
| Cummings Ditch Water Serving Corp | Dayville | 501(c)(12) | 2012 | $0 | $0 | 2024-12 |
| Damascus Cemetery Association | Boring | 501(c)(13) | 2001 | $0 | $0 | 2026-06 |
| Daughters of Union Veterans of the Civil War 1861-1865 | Hillsboro | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Daughters of Union Veterans of the Civil War 1861-1865 | Hillsboro | 501(c)(3) | 2014 | $0 | $0 | 2025-08 |
| Dayton Odd Fellows Cemetery Association | Dayton | 501(c)(13) | 2012 | $0 | $0 | 2026-01 |
| De Zula | Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Deadwood Pioneer Cemetery | Deadwood | 501(c)(13) | 2016 | $0 | $0 | 2025-12 |
| Debt Liberation Laboratory | Pacific City | 501(c)(10) | 2020 | $0 | $0 | 2025-12 |
| Doric Chapter No 53 Order of the Eastern Star of Oregon | Coos Bay | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Douglas County Odd Fellows Cemeteries | Winston | 501(c)(13) | 2023 | $0 | $0 | 2025-12 |
| Drain Chamber of Commerce | Drain | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Dundee Pioneer Cemetery Inc | Dundee | 501(c)(13) | 2017 | $0 | $0 | 2025-06 |
| Dykes On Bikes Portland | Tigard | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Emerald Court 28 Order of Amaranth | Cottage Grove | 501(c)(8) | 2020 | $0 | $0 | 2025-06 |
| Euclid Chapter No 70 Order of the Eastern Star of Oregon | Jefferson | 501(c)(8) | 2013 | $0 | $0 | 2023-06 |
| Fair Grove Cemetery Association | Florence | 501(c)(13) | 2010 | $0 | $0 | 2026-05 |
| Faith & Reason Ministries Inc | Sutherlin | 501(c)(3) | 2014 | |||
| Fernwood Pioneer Cemetery Association | Newberg | 501(c)(13) | 2013 | $0 | $0 | 2026-06 |
| First Marine Division Assoc Oregon Columbia River Chapter | Sherwood | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Fraternal Order of Police | Medford | 501(c)(8) | 1952 | $0 | $0 | 2024-12 |
| Fraternal Order of the Eagles | Newport | 501(c)(8) | 2014 | $0 | $0 | 2025-06 |
| Friends of Lone Fir Cemetery | Portland | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Gaines Water Improvement District | Scio | 501(c)(12) | 2005 | $0 | $0 | 2024-12 |
| Gatton Cemetary Association | Portland | 501(c)(13) | 2004 | $0 | $0 | 2025-12 |
| Gervais Chapter Order of the Eastern Star Chapter 118 | Portland | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Gibbs Cemetery | Sherwood | 501(c)(13) | 2015 | $0 | $0 | 2025-12 |
| Goat Herd Gto Club of Oregon | Clackamas | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Golad Water Users Association | Lake Oswego | 501(c)(12) | 2013 | $0 | $0 | 2025-12 |
| Golden Rule Chapter No 131 Order of the Eastern Star of Oregon | Ontario | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Grand Boule of the Sigma Pi Phi Fraternity | Portland | 501(c)(10) | 2010 | |||
| Grand Chapter Ram Oregon | Coos Bay | 501(c)(10) | 2024 | $0 | $0 | 2026-02 |
| H&J Construction Employee Benefit Trust | Eugene | 501(c)(9) | 2022 | $0 | $0 | 2025-12 |
| Haven Rose Foundation | Clackamas | 501(c)(3) | 2020 | $0 | $0 | 2023-12 |
| Hdse Sewer System Ownersassociation | Aurora | 501(c)(12) | 2007 | $0 | $0 | 2025-06 |
| Henley High School Senior Parents | Klamath Falls | 501(c)(3) | 2021 | $0 | $0 | 2024-06 |
| Hill Cemetery Association | Talent | 501(c)(13) | 2012 | $0 | $0 | 2026-05 |
| Hill Top Improvement District | Cottage Grove | 501(c)(12) | 2022 | $0 | $0 | 2025-12 |
| Hodson Council No1 Cryptic Masons of Oregon | Salem | 501(c)(10) | 2024 | $0 | $0 | 2025-12 |
| Hope 13 Order of Eastern Star | La Grande | 501(c)(8) | 2013 | $0 | $0 | 2025-12 |
| Hunsaker Cemetery Corporation | Salem | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Ida Esson Memorial Cemetery Association | Salem | 501(c)(13) | 2023 | $0 | $0 | 2025-12 |
| Illinois Valley Historical Laurel C Emetery Association | Cave Junction | 501(c)(13) | 2026 | |||
| Independence Lodge 1950 Benevolent and Protective Order of Elks | Independence | 501(c)(8) | 2024 | 2025-03 | ||
| Ivanhoe Lodge No 1 Knights of Pythias | Portland | 501(c)(8) | 2026 | $0 | $0 | 2025-12 |
| Jackson Cemetery Association Inc | Sandy | 501(c)(13) | 2023 | $0 | $0 | 2025-12 |
| Jesse Applegate Pioneer Historical Cemetery Inc | Pleasant Hill | 501(c)(13) | 2004 | $0 | $0 | 2025-12 |
| Kinder Cemetery Association | Deer Island | 501(c)(13) | 2011 | $0 | $0 | 2026-03 |
| Knights of Columbus | Portland | 501(c)(8) | 1940 | $0 | $0 | 2026-06 |
| Knights of Columbus | Portland | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | Portland | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | Redmond | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | Dallas | 501(c)(8) | 1940 | $0 | $0 | 2026-06 |
| Knights of Columbus | Lebanon | 501(c)(8) | 1940 | $0 | $0 | 2025-10 |
| Knights of Columbus | Seaside | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | St Paul | 501(c)(8) | 1940 | $0 | $0 | 2024-12 |
| Knights of Columbus Roseburg Council 2939 | Winston | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Le Tip of Tigard SW Metro | Tualatin | 501(c)(6) | 2026 | |||
| Lewis & Clark Cementery Association Inc | Astoria | 501(c)(4) | 2012 | $0 | $0 | 2025-12 |
| Lincoln City Police Employees Association | Lincoln City | 501(c)(5) | 2014 | $0 | $0 | 2024-12 |
| Linn Benton Rental Housing Association | Corvallis | 501(c)(6) | 2020 | $0 | $0 | 2025-06 |
| Lookingglass-Olalla Water Co | Roseburg | 501(c)(12) | 2015 | $0 | $0 | 2024-12 |
| Maple Elsie Water Service | Seaside | 501(c)(12) | 2025 | $0 | $0 | 2025-12 |
| Maranatha Missions in Mexico | Springfield | 501(c)(3) | 2026 | |||
| Martha Chapter No 48 Order of the Eastern Star | Reedsport | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| McHargue Cemetery Association | Lebanon | 501(c)(13) | 2014 | $0 | $0 | 2025-05 |
| Miloris Water Association Inc | Columbia City | 501(c)(12) | 2007 | $0 | $0 | 2025-06 |
| Milwaukie Couincil No 3378 Knights of Columbus | Milwaukie | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Milwaukie Pioneer Cemetery Association Inc | Milwaukie | 501(c)(13) | 2023 | |||
| Molalla Memorial Cemetery Association | Salem | 501(c)(13) | 2012 | $0 | $0 | 2025-12 |
| Moonshine Ditch Company | Joseph | 501(c)(12) | 2015 | $0 | $0 | 2025-12 |
| Moran Water System Association | Lebanon | 501(c)(12) | 2005 | $0 | $0 | 2025-12 |
| Mount Union Cemetery Association | Philmath | 501(c)(13) | 2018 | $0 | $0 | 2025-12 |
| Multnomah Chapter No 1 Royal Arch Masons | Aumsville | 501(c)(10) | 2024 | $0 | $0 | 2025-12 |
| Negat Integrated Mutual Support Society | Beaverton | 501(c)(8) | 2017 | $0 | $0 | 2025-12 |
| Nestucca Valley Community Cemetary Association | Hebo | 501(c)(13) | 2008 | $0 | $0 | 2025-06 |
| Newberg 55 Order of Eastern Star | Newberg | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Noble Burial Association | Newberg | 501(c)(13) | 2006 | $0 | $0 | 2026-04 |
| North West Association of Aeromedical Responders | Medford | 501(c)(6) | 2011 | $0 | $0 | 2025-12 |
| Northwest Acres Improvement District | Redmond | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Northwest Rotorcraft Association Scappoose | Scappoose | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Ohsu Insurance Company | Portland | 501(c)(3) | 2009 | |||
| Old Town Oakland Cemetery Association | Oakland | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Omc Burial Park Association | Silverton | 501(c)(13) | 2004 | $0 | $0 | 2024-12 |
| Oregon Arms Collectors Inc | Portland | 501(c)(4) | 2009 | $0 | $0 | 2025-12 |
| Oregon Association Medical Staff Services | Corvallis | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Oregon Mini Society | Brookings | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Oregon Odd Fellows Lodge No 3 Independent Order of Odd Fellows | Portland | 501(c)(8) | 2024 | $0 | $0 | 2025-12 |
| Oregon Pregnancy Center Association | Lebanon | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Oregon Scottish Rite Education Foundation Inc | Portland | 501(c)(3) | 1964 | $3.4 million | 2025-12 | |
| Oregon Society of Soil Scientists | Corvallis | 501(c)(3) | 2017 | $0 | $0 | 2026-06 |
| Oregon State Grange Patrons of Husbandry | Eugene | 501(c)(8) | 1944 | $0 | $0 | 2025-12 |
| Oregon Urisa | Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Pine Grove Cemetery Association | Shedd | 501(c)(13) | 2025 | |||
| Pioneer Chapter No 28 Order of the Eastern Star of Oregon | Oregon City | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Pleasant Hill Cemetery Association Inc | Pleasant Hill | 501(c)(13) | 2011 | $0 | $0 | 2025-12 |
| Portland Business Forum | Tigard | 501(c)(6) | 2020 | $0 | $0 | 2025-06 |
| Portland Muslim Cemetery | Portland | 501(c)(3) | 2026 | |||
| Productcamp PDX | Tigard | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| RT53 Water Inc | Nehalem | 501(c)(12) | 2018 | $0 | $0 | 2025-12 |
| Raindrop Decorative Painters Portland Oregon | Gresham | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
| Reed-Hill Cemetery Association Inc | Roseburg | 501(c)(13) | 2019 | $0 | $0 | 2025-12 |
| Revenue Bureau Employee Fund | Portland | 501(c)(9) | 2007 | $0 | $0 | 2025-06 |
| Reynolds High School Class of 1971 50 Reunion | Fairview | 501(c)(3) | 2026 | $0 | $0 | 2025-11 |
| Riddle Education Association | Riddle | 501(c)(5) | 2021 | $0 | $0 | 2023-08 |
| Ridgewood District Improvement Company | Corvallis | 501(c)(12) | 2012 | $0 | $0 | 2026-04 |
| Rock Creek Cemetery Association | Canby | 501(c)(13) | 2019 | $0 | $0 | 2025-12 |
| Royal Arch Masons of Oregon Grand Chapter | Cottage Grove | 501(c)(8) | 2023 | $0 | $0 | 2025-12 |
| Ruby Peak Sprinkler Association Inc | Enterprise | 501(c)(12) | 2017 | $0 | $0 | 2025-12 |
| Sailor Pioneer Cemetery Association Incorporated | Noti | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sand Ridge Cemetery Assoc of Linn County Oregon | Lebanon | 501(c)(13) | 2018 | $0 | $0 | 2025-12 |
| Shedd Cemetery Association | Shedd | 501(c)(13) | 1999 | $0 | $0 | 2025-06 |
| Sherwood Education Association | Sherwood | 501(c)(5) | 2014 | $0 | $0 | 2025-12 |
| Silicon Forest Partnership | Hillsboro | 501(c)(6) | 2026 | |||
| Southwest Oregon Volleyball Officials Association- Swovoa | Coos Bay | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Spring Creek Lane and Bridge Association | Portland | 501(c)(12) | 2024 | $0 | $0 | 2025-08 |
| State Police Relief Fund | Salem | 501(c)(9) | 2013 | $0 | $0 | 2025-12 |
| Sunriver Police Foundation | Sunriver | 501(c)(3) | 2023 | $0 | $0 | 2026-03 |
| Supreme Emblem Club of the United States of America Inc | King City | 501(c)(10) | 1949 | $0 | $0 | 2025-12 |
| Supreme Temple Pythian Sisters | Aloha | 501(c)(8) | 1964 | $0 | $0 | 2025-12 |
| The Miller Cemetery Association of Millersburg | Harrisburg | 501(c)(13) | 2023 | $0 | $0 | 2025-12 |
| The Supreme Emblem Club No 506 of the Supreme Emblem Club | Springfield | 501(c)(10) | 2024 | $0 | $0 | 2026-06 |
| The Wilderville Cemetery Association | Grants Pass | 501(c)(13) | 2009 | $0 | $0 | 2025-12 |
| Tigard Orenomah Chapter 174 Order of the Eastern Stars | Wilsonville | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Tillamook Bay Flood Improvement District | Tillamook | 501(c)(12) | 2007 | $0 | $0 | 2026-06 |
| Toledo Oregon Cemetery Association of Lincoln County | Toledo | 501(c)(13) | 2021 | $0 | $0 | 2025-12 |
| Tumald Town District Improvement Co | Bend | 501(c)(12) | 2013 | $0 | $0 | 2024-12 |
| Victoria Chapter Order of Eastern Star | Turner | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Wabanang Chapter No 127 Order of the Eastern Star of Oregon | Clatskanie | 501(c)(8) | 2013 | $0 | $0 | 2026-06 |
| Warrenton Education Association | Beaverton | 501(c)(5) | 2015 | $0 | $0 | 2025-06 |
| Western States Red Angus Association | Hermiston | 501(c)(6) | 2025 | |||
| Wilbur Cemetery Association Inc | Roseburg | 501(c)(13) | 2011 | $0 | $0 | 2025-12 |
| Winona Cemetery Association | Carlton | 501(c)(13) | 2006 | $0 | $0 | 2025-12 |
| Wolf Creek Cemetery Association | Wolf Creek | 501(c)(13) | 2012 | $0 | $0 | 2023-12 |
| Wolf Creek Civic Association | Wolf Creek | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
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.