| Monteverdi Master Chorale IncStevens Point | Form 990-EZ | $61,222FY2026 |
| Friends of Mackenzie Environmental Center Inc Mrs Ingeborg LothePoynette | Form 990-EZ | $60,933FY2025 |
| Vilas County Museum & Historical Society IncSayner | Form 990-EZ | $60,847FY2025 |
| Pelican Lake Fire District IncPelican Lake | Form 990 | $60,703FY2025 |
| Beckum Stapleton Little League Baseball IncMilwaukee | Form 990-EZ | $60,568FY2023 |
| Milton Area Youth Center IncMilton | Form 990-EZ | $60,438FY2024 |
| Kinship Mentoring of Columbia County IncPortage | Form 990-EZ | $59,951FY2025 |
| American Legion Baseball of Marinette IncMarinette | Form 990-EZ | $59,611FY2025 |
| The Inhealth Community Wellness Clinic IncBoscobel | Form 990-EZ | $59,148FY2024 |
| Portage Area United Fund IncPortage | Form 990-EZ | $58,841FY2024 |
| Organization of Chinese Americans IncMilwaukee | Form 990 | $58,749FY2025 |
| Friends of the North Shore Library IncBayside | Form 990-EZ | $58,707FY2026 |
| Zonta Foundation IncMilwaukee | Form 990-EZ | $58,487FY2025 |
| Service League of Green Bay IncGreen Bay | Form 990-EZ | $58,087FY2025 |
| Beloit Aquatic Team IncBeloit | Form 990-EZ | $57,845FY2026 |
| Cedarburg Athletic Booster Club IncCedarburg | Form 990-EZ | $57,476FY2025 |
| Eastwood Apartments IncSuperior | Form 990-EZ | $57,276FY2026 |
| Milwaukee Society of Plastics Engineers Educational Foundation IHartland | Form 990 | $56,932FY2026 |
| Wisconsin Grocers Association Education and ScholarshipMadison | Form 990-EZ | $56,798FY2025 |
| Family Life Council IncWauwatosa | Form 990-EZ | $56,631FY2025 |
| International Association of Lions ClubAmherst | Form 990-EZ | $56,163FY2026 |
| Cambria Friesland Athletic Booster ClubCambria | Form 990-EZ | $55,596FY2025 |
| Wisconsin Deerhunters IncAntigo | Form 990-EZ | $54,841FY2025 |
| Friends of Lake Wissota State Park IncChippewa Falls | Form 990-EZ | $54,550FY2025 |
| For My God and My Country IncNecedah | Form 990 | $54,434FY2025 |
| Wisconsin Deerhunters IncShawano | Form 990-EZ | $53,700FY2025 |
| Wilderness Sportsmens ClubWisconsin Rapids | Form 990-EZ | $53,510FY2025 |
| Kinship of Rice Lake Inc 24 W MarshallRice Lake | Form 990-EZ | $53,379FY2025 |
| Langlade County Historical Society IncAntigo | Form 990 | $53,122FY2025 |
| Association of Wisconsin Artists IncMilwaukee | Form 990-EZ | $52,789FY2025 |
| Physicians for Social Responsibility IncMadison | Form 990-EZ | $52,663FY2024 |
| Brillion Athletic AssociationMenasha | Form 990-EZ | $51,971FY2025 |
| Badger HeraldMadison | Form 990-EZ | $51,759FY2025 |
| Little League Baseball IncBlack River Falls | Form 990-EZ | $51,622FY2025 |
| Big Sisters of Greater Racine IncRacine | Form 990-EZ | $51,533FY2026 |
| Viola Volunteers IncViola | Form 990-EZ | $51,194FY2025 |
| Baptists for Life of Wisconsin IncHudson | Form 990-EZ | $51,066FY2025 |
| Ellsworth Ffa AlumniEllsworth | Form 990-EZ | $50,932FY2025 |
| Future Farmers of AmericaStoughton | Form 990-EZ | $50,902FY2025 |
| Alzheimers Day Respite ProgramSpooner | Form 990-EZ | $50,309FY2026 |
| PTA Wisconsin CongressMiddleton | Form 990-EZ | $49,780FY2025 |
| Retired Ashwaubenon Fire Company 213 IncGreen Bay | Form 990-EZ | $49,324FY2025 |
| Friends of the Waisman Center IncMadison | Form 990-EZ | $49,311FY2025 |
| Sheboygan South High Booster ClubSheboygan | Form 990-EZ | $49,115FY2026 |
| West Bend Childrens Theater IncWest Bend | Form 990-N | No figure |
| Community Parks Improvement Committee IncStevens Point | Form 990-EZ | $48,396FY2025 |
| River Falls Library Foundation IncRiver Falls | Form 990-N | No figure |
| Wisconsin Tavern League Foundation IncMilwaukee | Form 990-EZ | $48,094FY2025 |
| Appleton Macdowell Male Chorus IncAppleton | Form 990-EZ | $47,830FY2025 |
| Friends of the Caestecker Public LibraryGreen Lake | Form 990-N | No figure |