| Southeastern Wisconsin Chapter Association for Talent DevelopmentCottage Grove | Form 990-N | No figure |
| German Language & School Society Wisconsin IncBrookfield | Form 990-EZ | $46,932FY2025 |
| Sos Center IncMilwaukee | Form 990-N | No figure |
| Headwaters Foundation IncSuperior | Form 990 | $46,538FY2025 |
| Sojourners Journey IncSparta | Form 990-N | No figure |
| Waukesha Kiwanis Foundation IncWaukesha | Form 990-EZ | $46,120FY2025 |
| Get Toby Home IncGreen Bay | Form 990-EZ | $45,834FY2025 |
| North Wood County Historical Society IncMarshfield | Form 990-EZ | $45,354FY2025 |
| Mike Muranyi Junior Golf Foundation IncMonroe | Form 990-N | No figure |
| Middleton High School Band Parents AssociationMiddleton | Form 990-N | No figure |
| Chippewa Partners IncChippewa Falls | Form 990-N | No figure |
| Seymour Fire Fighters IncSeymour | Form 990-EZ | $44,831FY2025 |
| Lake Eau Claire Association IncAugusta | Form 990-EZ | $44,431FY2025 |
| Delton Charitable Organization IncLake Delton | Form 990-EZ | $44,264FY2025 |
| Mineral Point Historical Society IncMineral Point | Form 990-N | No figure |
| Chilton Athletic Club IncorporatedChilton | Form 990-EZ | $43,718FY2024 |
| Merrill Historical Society IncMerrill | Form 990-N | No figure |
| Brillion City Community Drive IncBrillion | Form 990-N | No figure |
| Northeastern Wisconsin Antique Power Association IncorporatedBrussels | Form 990-EZ | $43,104FY2025 |
| Wisconsin Society of Emergency Services Instructors IncRib Mountain | Form 990-EZ | $42,161FY2025 |
| African Association of Madison IncMadison | Form 990-N | No figure |
| The Oregon Good Shepherd Lutheran Home IncWatertown | Form 990-N | No figure |
| Depere Historical Society White Pillars Endow Fund 41-5627-00-9Green Bay | Form 990-N | No figure |
| Friends of Wildcat Mountain State ParkOntario | Form 990-EZ | $41,735FY2025 |
| Iola Historical SocietyIola | Form 990-N | No figure |
| United States of America National Comm of the Intl Dairy Fed IncFitchburg | Form 990-N | No figure |
| PTA Wisconsin CongressWaukesha | Form 990-EZ | $40,962FY2025 |
| Monroe County Historical Society IncSparta | Form 990-EZ | $40,901FY2026 |
| Kimberly Papermaker Booster ClubKimberly | Form 990-EZ | $40,723FY2025 |
| Hispanic Chamber of Commerce of Wisconsin IncMilwaukee | Form 990-N | No figure |
| The Friends of the Middleton Public LibraryMiddleton | Form 990-N | No figure |
| Leading with PowerLa Crosse | Form 990-N | No figure |
| Wisconsin Day Care AdministratorsWebster | Form 990-N | No figure |
| Ulster Project of Greater Milwaukee IncElm Grove | Form 990-N | No figure |
| Ripon Historical SocietyRipon | Form 990-N | No figure |
| Genesis in Milwaukee IncColgate | Form 990-N | No figure |
| West Point Parents Association of Wisconsin IncMequon | Form 990-N | No figure |
| I O Youth IncRacine | Form 990-N | No figure |
| Bong Naturalist Association IncKansasville | Form 990-EZ | $37,677FY2025 |
| PTA Wisconsin CongressMayville | Form 990 | $37,189FY2025 |
| Trout UnlimitedHudson | Form 990-N | No figure |
| Alpha Pi Mu AssociationVerona | Form 990-N | No figure |
| Seymour Fastpitch Association IncSeymour | Form 990-EZ | $35,445FY2025 |
| Red Raiders Band Boosters IncWauwatosa | Form 990-EZ | $35,325FY2025 |
| Parent Booster USA IncOnalaska | Form 990-EZ | $34,916FY2026 |
| Kenosha County Scout Leaders Rescue Squad IncKenosha | Form 990-N | No figure |
| Utica Community Association IncCambridge | Form 990-EZ | $34,625FY2025 |
| Racine Explorer & Scout Drum & Bugle Corps IncRacine | Form 990-EZ | $33,599FY2024 |
| Madison-Dane County Tavern League Saferider Foundation IncCottage Grove | Form 990-N | No figure |
| Little League Baseball IncFranklin | Form 990-N | No figure |