| Brookfield Christian School Foundation IncBrookfield | Form 990 | $197,395FY2025 |
| TMJ Association LtdBrookfield | Form 990-EZ | $197,143FY2025 |
| United Masonic Board for de Molay in Wisconsin IncRacine | Form 990-EZ | $195,704FY2025 |
| Living Alternatives IncMonroe | Form 990 | $195,399FY2025 |
| Rock Aqua Jays Water Ski Club IncJanesville | Form 990 | $193,381FY2025 |
| Home Renew and Repair IncHayward | Form 990 | $193,333FY2025 |
| Barron Area Education Foundation IncBarron | Form 990 | $192,812FY2024 |
| Baileys Harbor Community Association IncBaileys Harbor | Form 990-EZ | $192,274FY2025 |
| Libraries FirstWilliams Bay | Form 990-EZ | $191,839FY2025 |
| Hedwig House IncMilwaukee | Form 990 | $190,160FY2025 |
| Society of Systematic BiologistsWindsor | Form 990 | $190,078FY2024 |
| Waukesha County Historical Society & Museum IncWaukesha | Form 990 | $189,653FY2025 |
| Mobile Meals of La Crosse IncLa Crosse | Form 990-EZ | $187,097FY2024 |
| Friends of the Campus IncBaraboo | Form 990 | $186,590FY2025 |
| Wisconsin Upper Michigan Kiwanis District Foundation IncorporatedBerlin | Form 990 | $186,512FY2025 |
| Redeemed Christian Counseling and EducationJanesville | Form 990-EZ | $186,447FY2025 |
| Onalaska Youth Hockey IncOnalaska | Form 990 | $185,901FY2025 |
| Wisconsin Trappers Association IncOregon | Form 990 | $183,619FY2024 |
| Burlington Demons Shooting Team IncBurlington | Form 990-EZ | $181,793FY2024 |
| Granite Peak Ski Team IncWausau | Form 990 | $181,590FY2025 |
| Baraboo Community Scholarship CorporationBaraboo | Form 990 | $181,368FY2025 |
| Hayward Community Schools Educ Foundation IncHayward | Form 990 | $180,568FY2025 |
| Girls Rock Camp MadisonMadison | Form 990-EZ | $180,026FY2025 |
| Washington Island Community Health Program IncWashington Island | Form 990-EZ | $179,782FY2024 |
| Lakeshore Chorale IncSheboygan Falls | Form 990-EZ | $178,677FY2025 |
| Two Rivers Historical SocietyTwo Rivers | Form 990 | $178,147FY2024 |
| Barneveld Area Rescue SquadBarneveld | Form 990-EZ | $177,486FY2025 |
| Boy Scouts of AmericaWeston | Form 990 | $177,031FY2025 |
| Stoughton Hockey Association IncStoughton | Form 990 | $176,645FY2025 |
| Jasper Pickett Foundation IncPickett | Form 990-EZ | $175,282FY2024 |
| Madison Trust for Historic Preservation IncMadison | Form 990-EZ | $174,452FY2025 |
| Wauwatosa Historical Society IncWauwatosa | Form 990 | $173,147FY2026 |
| Theatre of Oconomowoc LtdOconomowoc | Form 990-EZ | $173,079FY2025 |
| Min Aqua Bats Water Ski ClubMinocqua | Form 990-EZ | $172,802FY2025 |
| Namur Belgian Heritage Foundation IncBrussels | Form 990-EZ | $172,285FY2025 |
| Community Housing of Lacrosse IncLa Crosse | Form 990-EZ | $169,843FY2024 |
| Amery Area Senior Citizens IncAmery | Form 990 | $169,286FY2025 |
| New Richmond Preservation Society IncNew Richmond | Form 990 | $169,109FY2024 |
| Interfaith Housing Foundation of Wisconsin & Upper Michigan IncPoynette | Form 990-EZ | $168,921FY2025 |
| Winged Freedom Raptor Hospital IncSpooner | Form 990 | $167,293FY2024 |
| Milwaukee Academy of Medicine IncMilwaukee | Form 990 | $167,155FY2025 |
| Wee Winni Childcare Center IncOshkosh | Form 990-EZ | $165,963FY2023 |
| Sun Prairie High School Band Boosters IncSun Prairie | Form 990-EZ | $164,050FY2025 |
| Homme Home Foundation IncWittenberg | Form 990 | $163,145FY2025 |
| Iola Winter Sports Club IncIola | Form 990 | $162,804FY2025 |
| Eastside Senior Services IncMilwaukee | Form 990-EZ | $162,329FY2025 |
| New London Heritage Historical Society IncNew London | Form 990 | $161,299FY2024 |
| Chippewa Falls Youth Football IncChippewa Falls | Form 990-EZ | $160,784FY2025 |
| Port Washington Historical Society IncPort Washington | Form 990 | $160,766FY2024 |
| North High Booster Club IncSheboygan | Form 990 | $160,224FY2026 |