Data / Nonprofits / Wisconsin / Milwaukee / Mutual and membership benefit
Mutual and membership benefit nonprofits in Milwaukee, WI: 43 registered with the IRS
43 mutual and membership benefit nonprofits are registered with the IRS in Milwaukee, WI, 2 of them 501(c)(3) charities; the 17 that report revenue took in $109.9 million. The largest by revenue: Plumbers & Steamfitters Local 400 Fox River Valley H & W Trust ($41.7 million), Pohlad Companies Veba ($21.4 million), Harley-Davidson Motor Co Group Inc Bu Emps Post-Retmt Welf Benefit Trust ($19.6 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|
| Plumbers & Steamfitters Local 400 Fox River Valley H & W Trust | 501(c)(9) | 2000 | $41.7 million | $74 million | 2024-12 |
| Pohlad Companies Veba | 501(c)(9) | 2014 | $21.4 million | $1.2 million | 2024-12 |
| Harley-Davidson Motor Co Group Inc Bu Emps Post-Retmt Welf Benefit Trust | 501(c)(9) | 2007 | $19.6 million | $239.2 million | 2024-12 |
| Atc Management Inc Welfare Benefit Trust | 501(c)(9) | 2005 | $9.8 million | $8.9 million | 2024-12 |
| M&I Retiree Health Benefits Trust | 501(c)(9) | 2005 | $4 million | $72.5 million | 2025-12 |
| The NML Benefit Plans Trust | 501(c)(9) | 2007 | $3.6 million | $42.4 million | 2025-12 |
| Sunoco Inc Medlife Ins Trust-Cash | 501(c)(9) | 2014 | $2.6 million | $37 million | 2024-12 |
| Forest Home Cemetery Inc | 501(c)(13) | 2015 | $2.3 million | $10.3 million | 2025-12 |
| Southern Star Voluntary Employee Benefit Trust Veba Non Union | 501(c)(9) | 2004 | $2 million | $3.6 million | 2024-12 |
| Southern Star Voluntary Employees Beneficiary Association for Collectively | 501(c)(9) | 1999 | $1.4 million | $34.1 million | 2024-12 |
| Komatsu Mining Corp | 501(c)(9) | 2012 | $825,716 | $10.6 million | 2024-12 |
| South Montebello Irrigation District Veba Trust | 501(c)(9) | 2009 | $275,628 | $2.2 million | 2025-06 |
| Veterans of Foreign Wars of the United States Retiree Health and | 501(c)(9) | 2000 | $199,813 | $3 million | 2025-08 |
| Maine Public Service Co Trust Exempt Employee Benefit Trust for Union Empl | 501(c)(9) | 2001 | $179,819 | $3.6 million | 2024-12 |
| Wisconsin Healthcare Engineering As Sociation Chapter 1 Inc | 501(c)(6) | 2026 | $113,630 | $70,495 | 2025-12 |
| Komatsu Mining Corp | 501(c)(9) | 2011 | $14,868 | $113,525 | 2024-12 |
| International Free and Accepted Modern Masons Inc & Order of East | 501(c)(8) | 2022 | $6,889 | $360,042 | 2023-11 |
| Blazing Star Lodge No 4 F & Am - Milwaukee Wisconsin | 501(c)(8) | 2025 | $0 | $0 | 2025-12 |
| Chapter III Whea | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
| Corinthian Lodge 5 Free and Accepted Masons | 501(c)(10) | 2012 | $0 | $0 | 2026-06 |
| Daughters of Isis of North & South America | 501(c)(8) | 1950 | $0 | $0 | 2025-12 |
| Delta Chi Fraternity | 501(c)(7) | 1972 | $0 | $0 | 2025-12 |
| Electa Chapter No 7 Order of the Eastern Star | 501(c)(8) | 2014 | $0 | $0 | 2025-04 |
| Harmony Chapter No 3 | 501(c)(8) | 2014 | $0 | $0 | 2025-04 |
| Impact | 501(c)(4) | 2019 | $0 | $0 | 2025-12 |
| Kilbourn Council No 9 Royal Select and Super Excellent Masters | 501(c)(10) | 2018 | $0 | $0 | 2025-06 |
| King David Lodge Incorporated | 501(c)(8) | 2026 | | | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 2016 | $0 | $0 | 2025-12 |
| Labor Association of Wisconsin Health Benefit Trust | 501(c)(9) | 2005 | $0 | $0 | 2024-12 |
| Martha Chapter No 10 | 501(c)(8) | 2014 | $0 | $0 | 2026-04 |
| National Association of Black Veterans Inc | 501(c)(3) | 1983 | $0 | $0 | 2024-12 |
| National Steering Comm of the Assoc for the Imprvmt of Minorits in Irs | 501(c)(3) | 2012 | $0 | $0 | 2023-12 |
| Order of the Eastern Star of the State of Wisconsin | 501(c)(8) | 1941 | $0 | $0 | 2025-12 |
| Queen Esther Chapter No 6 Order of the Eastern Star State of Wi | 501(c)(8) | 2014 | $0 | $0 | 2025-04 |
| Sarah Joy Chapter No 8 | 501(c)(8) | 2014 | $0 | $0 | 2025-04 |
| True Square Lodge 11 | 501(c)(8) | 2014 | $0 | $0 | 2025-09 |
| Tyre Lodge 8 | 501(c)(8) | 2025 | | | |
| Whea Chapter II Inc | 501(c)(6) | 2025 | $0 | $0 | 2025-12 |
| Widows Son Lodge 1 Inc | 501(c)(8) | 2026 | | | |
| Wisconsin Health Science Library Association Inc | 501(c)(6) | 2011 | $0 | $0 | 2025-12 |
| Wisconsin Healthcare Engineering As Sociation Chapter 6 Inc | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
| Wisconsin Healthcare Engineering As Sociation Chapter IV Inc | 501(c)(6) | 2026 | $0 | $0 | 2025-12 |
Other causes in Milwaukee, WI
Every nonprofit in Milwaukee, WI · Mutual and membership benefit 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.