| Mining Impact Coalition of Wisconsin IncMadison | Form 990-N | No figure |
| Boulder Lake Advancement AssocBoulder Junction | Form 990-N | No figure |
| Lake Hallie Lake Association IncLake Hallie | Form 990-N | No figure |
| Friends of Long Lake IncSaxeville | Form 990-N | No figure |
| Southeast Wisconsin Master Gardeners IncMilwaukee | Form 990-N | No figure |
| Friends of the Irvine Park Zoo IncChippewa Falls | Form 990-N | No figure |
| Wisconsin Garden Club FederationVerona | Form 990-N | No figure |
| Big Portage Lake Riparian Owners Association IncorporatedLand O'Lakes | Form 990-N | No figure |
| Black Earth Creek Watershed Association IncCross Plains | Form 990-N | No figure |
| The Anvil Lake Association IncorporatedEagle River | Form 990-N | No figure |
| Wisconsin Association of Resource Conservation & Dev Councils IncRhinelander | Form 990-N | No figure |
| Friends of the Mead-McMillian Association IncMilladore | Form 990-EZ | $0FY2025 |
| Friends of the Madison School Forest IncVerona | Form 990-N | No figure |
| WPS Community Foundation IncGreen Bay | Form 990-N | No figure |
| Random Lake Association IncRandom Lake | Form 990-N | No figure |
| Twin Lakes Preservation Association IncMinong | Form 990-N | No figure |
| Karner Blue Garden Club IncBlack River Falls | Form 990-N | No figure |
| Stormy Lake Association IncConover | Form 990-N | No figure |
| Windigo Lake Property Owners AssocHayward | Form 990-N | No figure |
| Lower Long Lake Foundation IncEau Claire | Form 990-N | No figure |
| Waupaca Chain O Lake AssociationKing | Form 990-N | No figure |
| Coulee Region Audubon Society IncLa Crosse | Form 990-N | No figure |
| Black Earth Creek Foundation IncCross Plains | Form 990-N | No figure |
| Wisconsin Chapter of the American Concrete InstituteButler | Form 990-N | No figure |
| Daylily Society of Southeast Wisconsin IncOak Creek | Form 990-N | No figure |
| Minong Flowage AssociationMinong | Form 990-N | No figure |
| Swan Lake Association IncPortage | Form 990-N | No figure |
| Ballard-Irving-White Birch Lakes AssociationStar Lake | Form 990-N | No figure |
| South Shore Park WatchMilwaukee | Form 990-N | No figure |
| Friends of Finger Lake IncorporatedEagle River | Form 990-N | No figure |
| Door County Master Gardeners Association IncSturgeon Bay | Form 990-N | No figure |
| Drumlin Area Land Trust IncFort Atkinson | Form 990-N | No figure |
| Friends of the Branch RiverWhitelaw | Form 990-N | No figure |
| Pike Lake Chain Lakes Association IncFifield | Form 990-N | No figure |
| Racine County Conservation League IncCaledonia | Form 990-N | No figure |
| Northern Paddle & Trail SocietyRhinelander | Form 990-N | No figure |
| Mirror Lake Association IncLake Delton | Form 990-N | No figure |
| Friends of the Ahnapee State Trail IncKewaunee | Form 990-N | No figure |
| Bay Area Daylily Buds IncWausaukee | Form 990-N | No figure |
| Fond Du Lac County Master Gardner AssociationFond du Lac | Form 990-N | No figure |
| Balsam Branch Partnership IncAmery | Form 990-N | No figure |
| Ocono County Lakes and Waterways AssociationTownsend | Form 990-N | No figure |
| Capitol Water Trails LtdMadison | Form 990-N | No figure |
| Save Our Unique Lands Inc SoulLa Farge | Form 990-N | No figure |
| Fox River Watershed C A U S E IncWaterford | Form 990-N | No figure |
| Washburn County Lakes and Rivers Association IncSpooner | Form 990-N | No figure |
| Ulao Creek Partnership IncPort Washington | Form 990-N | No figure |
| Harris Lake Association IncVerona | Form 990-N | No figure |
| Citizens for a Scenic WisconsinMaple Bluff | Form 990-N | No figure |
| Friends of New Glarus Woods State Park IncNew Glarus | Form 990-N | No figure |