| Wisconsin Masonic Home Inc | Human services | 501(c)(3) | 1953 | $18.6 million | $222.3 million | 2025-06 |
| Lad Lake Inc | | 501(c)(3) | 1942 | $15.8 million | $16.3 million | 2025-12 |
| Masonic Center for Health and Rehab Inc | | 501(c)(3) | 1985 | $9.1 million | $11.3 million | 2025-06 |
| Village On the Square Inc | Housing and shelter | 501(c)(3) | 1993 | $4.6 million | $25.2 million | 2025-06 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $2.7 million | $21.9 million | 2023-12 |
| Grand Lodge Free and Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $2.7 million | $23.2 million | 2024-12 |
| Wisconsin Masonic Foundation | Education | 501(c)(3) | 1962 | $2 million | $30.8 million | 2025-04 |
| Lad Lake Milwaukee Inc | Education | 501(c)(3) | 2007 | $1.3 million | $212,486 | 2025-12 |
| Grand Chapter of Wisconsin Order of Eastern Star | | 501(c)(8) | 1941 | $233,403 | $1.5 million | 2025-06 |
| Wehr Science Center Endowment | Education | 501(c)(3) | 1966 | $142,034 | $4.4 million | 2024-12 |
| Wehr Distinguished Professorships Trust | | 501(c)(3) | 1966 | $112,277 | $3.4 million | 2024-12 |
| White Stone Warriors Inc | Human services | 501(c)(3) | 2018 | $106,207 | $110,622 | 2025-12 |
| Temple of Kinship Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2024 | $90,655 | $79,527 | 2025-12 |
| Fin N Feather Sportsmans Club Inc | Recreation and sports | 501(c)(4) | 2012 | $90,100 | $991,979 | 2025-12 |
| Knights Templar of the United States of America | Mutual and membership benefit | 501(c)(10) | 1964 | $56,745 | $590,596 | 2025-05 |
| Royal Arch Masons of the State of Wisconsin Grand Chapter | | 501(c)(10) | 1973 | $45,360 | $442,044 | 2025-05 |
| Royal and Select Masters of Wisconsin Grand Council | | 501(c)(10) | 1972 | $41,272 | $327,275 | 2025-09 |
| American Legion | | 501(c)(19) | 1946 | $14,997 | $53,220 | 2021-12 |
| Wisconsin Dressage and Eventing Association Inc | Recreation and sports | 501(c)(3) | 1993 | $13,302 | $75,894 | 2025-12 |
| International Association of Lions Clubs | | 501(c)(4) | 1940 | $9,108 | $170,185 | 2025-06 |
| National Class A Scow Association I NC | Recreation and sports | 501(c)(3) | 2026 | $1,500 | $8,737 | 2020-12 |
| Ancient Accepted Scottish Rite of Free Masonry NMJ | | 501(c)(10) | 1940 | $0 | $0 | 2025-07 |
| Bayfield Lodge No 215 F & A M | | 501(c)(10) | 2025 | | | |
| Bloomer Lodge Number 281 F & A M | Mutual and membership benefit | 501(c)(10) | 1972 | | | |
| Christian William Wulff Laux Foundation Inc | | 501(c)(3) | 1994 | $0 | $0 | 2024-12 |
| Commonwealth Lodge 325 Free and Accepted Masons | Mutual and membership benefit | 501(c)(10) | 2024 | $0 | $0 | 2024-12 |
| Commonwealth Lodge 325 Free and Accepted Masons | Mutual and membership benefit | 501(c)(10) | 2024 | $0 | $0 | 2024-12 |
| Conference of Grand Secretaries of North America | Public and societal benefit | 501(c)(10) | 2010 | $0 | $0 | 2026-06 |
| Cornerstone Living Inc | Housing and shelter | 501(c)(3) | 2024 | | | |
| Crown of Life Christian Fellowship Inc | | 501(c)(3) | 1988 | | | |
| Cryptic Mason Foundation of Wisconsin Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $0 | $0 | 2025-05 |
| Dousman Elementary Pto Inc | Education | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Faith Family Center | | 501(c)(3) | 1964 | | | |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2020-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(6) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(6) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2023-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2023-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2022-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | Mutual and membership benefit | 501(c)(4) | 2025 | | | |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2023-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2021-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2023-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | | | |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2020-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 2025 | | | |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2020-12 |
| Free & Accepted Masons of Wisconsin 105 Northwestern Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 11 Sheboygan Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 113 Sauk Prairie Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 123 Waupaca Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 190 Lacrosse Masonic Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 287 Crandon Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 293 Oconto Falls Lodge | Mutual and membership benefit | 501(c)(10) | 2024 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 50 Waucoma Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 69 Fulton Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin 75 Columbus Lodge | Mutual and membership benefit | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accepted Masons of Wisconsin-94 Bicknell Lodge | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Free & Accpeted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2024-12 |
| Free & Accpeted Masons of Wisconsin | | 501(c)(10) | 1972 | $0 | $0 | 2021-12 |
| Free & Accpeted Masons of Wisconsin | | 501(c)(10) | 1954 | $0 | $0 | 2024-12 |
| Friends of Casa Sheila Animal Welfa Re Inc | Animal-related | 501(c)(3) | 2026 | | | |
| Grand Lodge Free and Accepted Masons of Wisconsin | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Harley-Davidson Foundation Inc | | 501(c)(3) | 1957 | | $1.9 million | 2025-09 |
| Highview Evangelical Presbyterian Church | | 501(c)(3) | 1982 | | | 2013-12 |
| James and Karen Hyde Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | | $1.5 million | 2025-12 |
| Jobs Daughters International | | 501(c)(10) | 1972 | $0 | $0 | 2026-06 |
| Kettle Moraine Rec Sports Inc | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Kettle Moraine Recreation Assoc Inc | Youth development | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Kickball for Casey | Human services | 501(c)(3) | 2026 | | | |
| Knight Templar Foundation of Wisconsin Inc | | 501(c)(3) | 1957 | | $698,117 | 2025-05 |
| Knights of Columbus | | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Kozinski Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | | $24,647 | 2025-12 |
| Lake Country Boys Volleyball Club | Recreation and sports | 501(c)(3) | 2004 | $0 | $0 | 2024-08 |
| Melody Lodge No 2 Free and Accepted Masons | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Milton Lodge No 161 F and A Masons of Wisconsin | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Milwaukee Rampage Sporting Chance Inc | Recreation and sports | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Oncidium Foundation USA Inc | Medical research | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Reformation Lutheran Church | | 501(c)(3) | 1966 | | | |
| Royal Arch Foundation of Wisconsin Inc | | 501(c)(3) | 1971 | | $390,293 | 2025-05 |
| Social No 245 F & A M | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Society of St Vincent de Paul of Waukesha County Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-09 |
| St Bruno Parish & School | | 501(c)(3) | 1946 | | | 2013-12 |
| Todd Wehr Foundation Inc | | 501(c)(3) | 1957 | | $11 million | 2024-12 |
| Unfold -Stories That Inspire Corp | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Union No 32 F and A M | | 501(c)(10) | 2025 | $0 | $0 | 2024-12 |
| Wild Rose Education Center and Nature Preserve Inc | Environment | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Wisconsin Eastern Star Foundation Inc | | 501(c)(3) | 1994 | | $482,320 | 2025-12 |
| Wisconsin Veterans Foundation Inc | Public and societal benefit | 501(c)(3) | 2005 | $0 | $0 | 2026-02 |