Data / Nonprofits / Idaho / Mutual and membership benefit
Mutual and membership benefit nonprofits in Idaho: 135 registered with the IRS
135 mutual and membership benefit nonprofits are registered with the IRS in Idaho, 12 of them 501(c)(3) charities; the 32 that report revenue took in $184.9 million. The most are in Boise (27), Twin Falls (9), Coeur D Alene (7). The largest by revenue: Idaho School District Council Self-Funded Benefit Trust ($138 million), Idaho Agc Self-Funded Benefit Trust ($27.5 million), City of Coeur Dalene Employee Benefits Trust ($6.8 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Idaho School District Council Self-Funded Benefit Trust | Boise | 501(c)(9) | 2016 | $138 million | $18.6 million | 2025-08 |
| Idaho Agc Self-Funded Benefit Trust | Boise | 501(c)(9) | 2014 | $27.5 million | $12.9 million | 2024-12 |
| City of Coeur Dalene Employee Benefits Trust | Coeur D Alene | 501(c)(9) | 2021 | $6.8 million | $4.2 million | 2025-09 |
| Jefferson County Veba Employee Plan Trust | Rigby | 501(c)(9) | 2007 | $3.2 million | $860,456 | 2025-10 |
| Idaho Life & Health Insurance Guaranty Association | Meridian | 501(c)(6) | 2009 | $2 million | $12.3 million | 2025-12 |
| Twin Lakes Canal Co | Weston | 501(c)(12) | 2002 | $1.2 million | $10.9 million | 2025-12 |
| Burgess Canal & Irrigating Co 392 | Rigby | 501(c)(12) | 2022 | $1 million | $1.4 million | 2026-02 |
| Ivg Trust | Coeur D Alene | 501(c)(9) | 2018 | $930,722 | $7.5 million | 2024-12 |
| Cannon Builders Prevailing Wage Trust | Ucon | 501(c)(9) | 2020 | $724,023 | $438,741 | 2024-12 |
| Blaine County Canal Company Limited | Howe | 501(c)(12) | 2011 | $674,297 | $6.8 million | 2026-02 |
| Fraternal Order of Eagles | Lewiston | 501(c)(8) | 1991 | $372,742 | $293,571 | 2025-05 |
| Henrys Fork Groundwater District | Saint Anthony | 501(c)(12) | 2019 | $361,268 | $330,909 | 2025-10 |
| Eastern Snake Plain Aquifer Recharge | Blackfoot | 501(c)(12) | 2022 | $238,175 | $286,271 | 2024-12 |
| Middleton Mill Ditch Company | Star | 501(c)(12) | 2013 | $225,613 | $507,898 | 2025-12 |
| Idaho State Elks Association Inc | Ponderay | 501(c)(8) | 2014 | $219,307 | $4.1 million | 2025-05 |
| Lenroot Canal Co | Rexburg | 501(c)(12) | 2000 | $200,273 | $571,011 | 2025-12 |
| Spirit Bend Water Association Inc | Spirit Lake | 501(c)(12) | 2016 | $184,701 | $256,702 | 2025-12 |
| Parks & Lewisville Irrigation Co | Lewisville | 501(c)(12) | 2016 | $154,426 | $115,556 | 2026-01 |
| Idaho Chief of Police Association Inc | Boise | 501(c)(6) | 2025 | $140,215 | $117,491 | 2025-12 |
| Capital View Irrigation District | Eagle | 501(c)(12) | 2013 | $110,142 | $282,772 | 2025-12 |
| Benevolent & Protective Order of Elks of the USA | Jerome | 501(c)(8) | 1951 | $101,499 | $319,249 | 2026-03 |
| Kellogg Lodge No 1841 Benevolent & Protective Order of the Elks of TH | Kellogg | 501(c)(8) | 1951 | $80,032 | $98,971 | 2025-03 |
| Butte County Cemetery Maintenence District | Arco | 501(c)(13) | 2013 | $74,233 | $306,695 | 2024-12 |
| Idaho Energy Authority Inc | Heyburn | 501(c)(12) | 2002 | $67,377 | $1 | 2024-12 |
| Mountain Home Military Affairs Committee | Mountain Home | 501(c)(3) | 2024 | $64,128 | $90,748 | 2025-12 |
| New Hope Water Corporation 125 Johnson Ave | Lenore | 501(c)(12) | 2011 | $62,643 | $894,630 | 2025-12 |
| Fraternal Order of Police | Twin Falls | 501(c)(8) | 1952 | $53,862 | $235,379 | 2024-12 |
| School District No 25 Veba | Pocatello | 501(c)(9) | 2005 | $47,493 | $1 million | 2025-06 |
| Watson Canal Company | Blackfoot | 501(c)(12) | 2007 | $46,612 | $116,864 | 2025-12 |
| Roswell Park & Lateral Company | Parma | 501(c)(12) | 2017 | $21,711 | $17,311 | 2025-12 |
| Snider 9 Lateral Association | Boise | 501(c)(12) | 2020 | $21,560 | $98,834 | 2024-12 |
| Hyatt Lateral 6-50 Inc | Boise | 501(c)(12) | 2015 | $630 | $873 | 2026-06 |
| 100ada | Boise | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Alliance Canal Company | Rigby | 501(c)(12) | 2011 | $0 | $0 | 2025-12 |
| Ancient Free and Accepted Masons 31 Salubria Incorporated | Weiser | 501(c)(10) | 2019 | $0 | $0 | 2025-12 |
| Ancient Free and Accepted Masons of Idaho | Malad City | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Archway Homeowners Association Inc | Star | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Arimo Irrigation Co LTD | Arimo | 501(c)(12) | 2013 | $0 | $0 | 2025-09 |
| Association of Idaho Public Works Professionals | Caldwell | 501(c)(6) | 2012 | $0 | $0 | 2024-12 |
| Bates Teton Lodge Corporation | Driggs | 501(c)(7) | 2011 | $0 | $0 | 2025-12 |
| Benevolent & Protective Order of Elks of the USA | Boise | 501(c)(8) | 1951 | $0 | $566,927 | 2026-03 |
| Blackfoot Drove 190 Iadho of the Benevolent Patriotic Order of Does | Blackfoot | 501(c)(10) | 2026 | $0 | $0 | 2025-12 |
| Blue Meadows Sub Acreages - Lwua in C | Middleton | 501(c)(12) | 2026 | |||
| Camera Club of Eagle | Boise | 501(c)(7) | 2016 | $0 | $0 | 2025-12 |
| Canyon County Atv Club Inc | Nampa | 501(c)(7) | 2015 | $0 | $0 | 2025-12 |
| Cataldo Lodge No 34 A F & A M Masonic Lodge | Osburn | 501(c)(10) | 2026 | |||
| Centennial Band Boosters | Boise | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Chesterfield Canal and Reservoir Company | Lava Hot SPGS | 501(c)(12) | 2014 | $0 | $0 | 2025-12 |
| Cove-Kohler Canal Association | Ketchum | 501(c)(12) | 2025 | |||
| Crescent Rim Lateral Water Users Association | Boise | 501(c)(12) | 2026 | |||
| Crew Idaho Inc | Eagle | 501(c)(6) | 2012 | $0 | $0 | 2025-12 |
| Eagle Rock Indian Motorcycle Riders Group | Parker | 501(c)(7) | 2019 | $0 | $0 | 2025-12 |
| East Fork Ditch Co LTD | Council | 501(c)(12) | 2025 | |||
| East Side Ditch Company | Inkom | 501(c)(12) | 2020 | $0 | $0 | 2025-12 |
| Eastern Idaho Water Company | Blackfoot | 501(c)(12) | 2014 | $0 | $0 | 2025-12 |
| Father M J Keyes Assembly 1983 Knights of Columbus | Mountain Home | 501(c)(8) | 2012 | $0 | $0 | 2025-06 |
| Flake Ditch Co LTD | Star | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Foothill Ditch Co | Middleton | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Fraternal Order of Police 149 Palouse Lodege | Moscow | 501(c)(8) | 2016 | $0 | $0 | 2025-12 |
| Gamlin Lake Cemetery Assoc | Sagle | 501(c)(13) | 2003 | $0 | $0 | 2025-12 |
| Givesurplus | Boise | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Gone Too Soon Inc | Hayden | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Got A Ticket | Nampa | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Grand Encampment of Idaho | Mountain Home | 501(c)(8) | 2022 | $0 | $0 | 2025-12 |
| Grand York Rite Bodies of Idaho | Boise | 501(c)(10) | 2016 | $0 | $0 | 2025-12 |
| HBM Water Users Inc | Boise | 501(c)(12) | 2018 | $0 | $0 | 2026-03 |
| Hester Road Water Association Inc | Athol | 501(c)(12) | 2017 | $0 | $0 | 2025-12 |
| Home Encampment 13 Inc Ioof | Mountain Home | 501(c)(8) | 2022 | $0 | $0 | 2025-12 |
| Idaho Association for Play Therapy | Eagle | 501(c)(6) | 2020 | $0 | $0 | 2026-06 |
| Idaho College Sricf | Twin Falls | 501(c)(10) | 2021 | $0 | $0 | 2025-12 |
| Idaho Falls Fraternal Order of Police Lodge 6 Auxiliary | Idaho Falls | 501(c)(8) | 2024 | $0 | $0 | 2025-06 |
| Idaho Home Builders Association Benefit Trust Fund | Boise | 501(c)(9) | 2025 | $0 | $0 | 2024-12 |
| Idaho Oak Trust Corporation | Coeur D Alene | 501(c)(7) | 2014 | $0 | $0 | 2026-06 |
| Idaho Standards for Public Works Construction Inc | Boise | 501(c)(6) | 2025 | $0 | $0 | 2025-06 |
| Idaho State Moose Association | Twin Falls | 501(c)(8) | 2015 | $0 | $0 | 2026-04 |
| Independent Order of Odd Fellows | Stites | 501(c)(8) | 2026 | |||
| Independent Order of Odd Fellows Ro Yal Gem Rebekah Lodge 13 | White Bird | 501(c)(8) | 2026 | |||
| Just Keep Swimming | Boise | 501(c)(3) | 2015 | $0 | $0 | 2025-08 |
| King Solomon Chapter 16 | Twin Falls | 501(c)(10) | 2014 | $0 | $0 | 2025-12 |
| Knights Templar of the United States of America | Twin Falls | 501(c)(10) | 1964 | $0 | $0 | 2026-06 |
| Knights of Columbus | Boise | 501(c)(8) | 2014 | $0 | $0 | 2025-12 |
| Knights of Columbus | Pocatello | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | Buhl | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Labelle Irrigating Company | Rigby | 501(c)(12) | 2019 | $0 | $0 | 2025-10 |
| Lakeview Water District | Orofino | 501(c)(12) | 2019 | $0 | $0 | 2025-12 |
| Liberty Park Irrigation Co | Rexburg | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Middleton Co-Operative Lateral | Middleton | 501(c)(12) | 2023 | $0 | $0 | 2025-12 |
| Moscow Moose Family Center | Moscow | 501(c)(8) | 2026 | |||
| Mountain Home Lodge 19 Incorporated | Mountain Home | 501(c)(8) | 2022 | $0 | $0 | 2025-12 |
| Mountain Valley Bible Ministries Inc | Garden Valley | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Naifa-Idaho Inc | Boise | 501(c)(6) | 1966 | $0 | $0 | 2025-12 |
| National Association of Benefits and Ins Professionals - Pacific NW Chapter | Hayden | 501(c)(6) | 2002 | $0 | $0 | 2026-06 |
| New Horizon Water Inc | Mountain Home | 501(c)(12) | 2014 | $0 | $0 | 2025-12 |
| Northwest Exit Planning Association | Coeur Dalene | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
| Order of the Golden Goose | Boise | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Owners Mutual Irrigation Company | Idaho Falls | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Palisades Irrigation Co Inc | Swan Valley | 501(c)(12) | 2016 | $0 | $0 | 2025-12 |
| Peg Leg Irrigation Company | Montpelier | 501(c)(12) | 2012 | $0 | $0 | 2025-12 |
| Pollard Lateral Ditch Association Inc | Middleton | 501(c)(12) | 2023 | $0 | $0 | 2025-12 |
| Prairie Water Association Inc | Post Falls | 501(c)(12) | 2011 | $0 | $0 | 2025-12 |
| Roderick Orr Fund Corp | Boise | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Sara Union Cemetery Association | Twin Falls | 501(c)(13) | 2015 | $0 | $0 | 2025-06 |
| Scenic Properties Water Asso | Lowman | 501(c)(12) | 2019 | $0 | $0 | 2025-12 |
| Silverleaf Mutual Irrigation Company | Blackfoot | 501(c)(12) | 2019 | $0 | $0 | 2025-12 |
| Sky Ranch Water Users Associationinc | Nampa | 501(c)(12) | 2007 | $0 | $0 | 2025-12 |
| Society for American Civic Renewal Boise Lodge Inc | Coeur D Alene | 501(c)(10) | 2022 | $0 | $0 | 2025-12 |
| Society for American Civic Renewal Coeur D Alene Lodge Inc | Coeur D Alene | 501(c)(10) | 2022 | $0 | $0 | 2025-12 |
| Society for American Civic Renewal Moscow Lodge Inc | Coeur D Alene | 501(c)(10) | 2023 | $0 | $0 | 2025-12 |
| South Liberty Irrigation & Manufacturing Company | Montpelier | 501(c)(12) | 2014 | $0 | $0 | 2025-12 |
| Southeast Idaho Canal Company | Saint Anthony | 501(c)(12) | 2004 | |||
| Southgate Wilder Lateral Ditch Water Users Association Inc | Caldwell | 501(c)(12) | 2016 | $0 | $0 | 2025-12 |
| Southwest Idaho Council of Charitable Gift Planners Inc | Boise | 501(c)(3) | 2025 | $0 | $0 | 2025-08 |
| Southwest Idaho Medical Society | Boise | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| St Marys Council No 12531 | Boise | 501(c)(8) | 2012 | $0 | $0 | 2025-12 |
| Surety Association of Idaho Inc | Boise | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Swan Lake Culinary Water Company | Swan Lake | 501(c)(12) | 2022 | $0 | $0 | 2025-12 |
| Swan Valley Cemetery District Maintenance Board | Swan Valley | 501(c)(13) | 2017 | $0 | $0 | 2025-09 |
| Tahoe Mountain Rest Cemetary | Kooskia | 501(c)(13) | 2024 | $0 | $0 | 2024-12 |
| Teton Island Canal Company | Saint Anthony | 501(c)(12) | 2014 | $0 | $0 | 2025-12 |
| Thatcher Irrigation Co Limited | Preston | 501(c)(12) | 2026 | |||
| The Goose Creek Canal Company | New Meadows | 501(c)(12) | 2009 | $0 | $0 | 2025-12 |
| The Masonic Order of Athelstan Salish Court No 96 | Coeur D Alene | 501(c)(10) | 2016 | $0 | $0 | 2026-06 |
| The Twin Falls Veterans Health Commission Incorporated | Twin Falls | 501(c)(13) | 2022 | $0 | $0 | 2025-12 |
| Toponce Canal Co | Bancroft | 501(c)(12) | 2026 | $0 | $0 | 2025-12 |
| Twin Falls Cryptic Masons Council No 7 | Twin Falls | 501(c)(10) | 2014 | $0 | $0 | 2025-12 |
| Twin Falls Lodge No 45 Ancient Free and Accepted Masons of Idaho | Twin Falls | 501(c)(8) | 2018 | $0 | $0 | 2025-06 |
| United States Naval Academy Alumni Association Southern Idaho Chapter | Nampa | 501(c)(7) | 2017 | $0 | $0 | 2025-12 |
| Upper Twin Lakes Water Co Inc | Rathdrum | 501(c)(12) | 2020 | $0 | $0 | 2025-12 |
| Ustick Five Mile Water Users Association | Boise | 501(c)(12) | 2025 | $0 | $0 | 2025-12 |
| Vandersloot Family Cemetery Association LTD | Idaho Falls | 501(c)(13) | 2015 | $0 | $106,928 | 2025-12 |
| Water Users Association of the Rust Lateral Tap Number24949 | Boise | 501(c)(12) | 2014 | $0 | $0 | 2025-12 |
| Wearyrick Ditch Company | Blackfoot | 501(c)(12) | 2020 | $0 | $0 | 2025-12 |
| Westside Lakefork Lateral Ditch Company | McCall | 501(c)(12) | 2015 | $0 | $0 | 2023-12 |
| Willowbrook Estates Property Owners Association Inc | Eagle | 501(c)(12) | 2016 | $0 | $0 | 2023-12 |
| Wymosa Water Association Inc | Boise | 501(c)(12) | 2007 | $0 | $0 | 2025-12 |
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.