| La Crosse Central Alumni Association IncLa Crosse | Form 990 | $225,169FY2025 |
| Fox Valley Electrical Constractors Association IncAppleton | Form 990 | $222,773FY2025 |
| American Academy of Cosmetic Dentistry Charitable FoundationMadison | Form 990 | $222,109FY2025 |
| MCC Scholars Foundation IncRiver Hills | Form 990 | $217,837FY2024 |
| Reedsburg Schools Foundation IncReedsburg | Form 990 | $214,583FY2025 |
| Wisconsin Agc Construction Education Foundation IncMadison | Form 990 | $212,596FY2025 |
| New Berlin Education Foundation IncNew Berlin | Form 990 | $211,042FY2025 |
| Trailhead Perspectives IncWhitewater | Form 990 | $209,069FY2024 |
| Tomorrow River Scholarship Foundation IncAmherst | Form 990 | $207,653FY2024 |
| Wisconsin Director of Nursing Council Education Forum IncHartford | Form 990 | $204,588FY2025 |
| Mequon-Thiensville Education Foundation IncMequon | Form 990 | $204,127FY2025 |
| Heal Our City Inside Out IncMilwaukee | Form 990 | $204,038FY2023 |
| Infinitely MoreSaukville | Form 990 | $203,366FY2025 |
| Chris Kolenda Saber Six FoundationMilwaukee | Form 990 | $202,528FY2024 |
| Redbirds Basketball Club NDe Pere | Form 990 | $200,327FY2025 |
| Evidence 4 FaithKewaskum | Form 990-EZ | $198,005FY2025 |
| Friends of Wisconsin Empowerment Foundation IncMilwaukee | Form 990-EZ | $196,357FY2025 |
| Kettle Moraine Education Foundation IncWales | Form 990 | $193,447FY2024 |
| Larsen Family Public Library IncWebster | Form 990-EZ | $193,286FY2024 |
| Oregon Athletic Booster Club IncOregon | Form 990 | $190,873FY2025 |
| The Adult Learning CenterMilwaukee | Form 990-EZ | $189,117FY2023 |
| Society of Wood Science and TechnologyMonona | Form 990 | $189,000FY2024 |
| Racine Interfaith Coalation IncRacine | Form 990-EZ | $185,690FY2024 |
| Neenah Wrestling Booster ClubNeenah | Form 990-EZ | $185,513FY2025 |
| Abbotsford Athletic Booster Club IncAbbotsford | Form 990-EZ | $185,329FY2026 |
| Howard-Suamico Educational Foundation IncGreen Bay | Form 990 | $184,263FY2026 |
| Kohler School Foundation IncKohler | Form 990 | $183,562FY2025 |
| Parker Viking Athletic Booster Club IncJanesville | Form 990 | $183,073FY2025 |
| Northwood Education Foundation IncMinong | Form 990 | $182,531FY2025 |
| Fall Creek School Booster ClubFall Creek | Form 990 | $178,974FY2024 |
| Westby Norse Scholarship FundWestby | Form 990 | $177,338FY2025 |
| Luke Homan Foundation IncMilwaukee | Form 990 | $176,734FY2025 |
| HSSD Parent Club Network IncGreen Bay | Form 990 | $176,713FY2025 |
| Accreditation Review Committee for the Anesthesiologist AssistantOconomowoc | Form 990-EZ | $176,000FY2025 |
| Legislative Semester IncAshland | Form 990-EZ | $172,588FY2025 |
| Wausau Pilot and Review CorporationWausau | Form 990-EZ | $170,574FY2025 |
| Hudson Area Library Foundation IncHudson | Form 990-EZ | $169,437FY2025 |
| Huhs Scholarship Foundation IncHartford | Form 990 | $169,367FY2025 |
| Wisconsin Organization of Nurse Executives IncMadison | Form 990-EZ | $168,707FY2025 |
| Badger Basketball Boosters IncMadison | Form 990-EZ | $168,298FY2025 |
| Field EdventuresHortonville | Form 990-EZ | $167,596FY2024 |
| Kinship of Tomahawk IncTomahawk | Form 990-EZ | $165,462FY2024 |
| United Yorkie Rescue Inc a Florida CorpWales | Form 990-EZ | $165,405FY2025 |
| Human Computer Interaction ConsortiumMadison | Form 990-EZ | $165,179FY2025 |
| Wauwatosa Public Library Foundation IncWauwatosa | Form 990 | $165,036FY2024 |
| Arts Align All IncMilwaukee | Form 990-EZ | $164,616FY2024 |
| McFarland Community Food Pantry IncMcFarland | Form 990-EZ | $163,810FY2024 |
| Disability in Wisconsin IncMilwaukee | Form 990-EZ | $162,834FY2025 |
| Brown County Dairy Promotion IncDenmark | Form 990-EZ | $161,919FY2024 |
| Rotary Western Great Lakes District ConferenceOnalaska | Form 990-EZ | $160,808FY2025 |