Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Rock River Coalition IncJefferson | Form 990-EZ | $164,073FY2024 |
| Dodge County Farmers HSHW IncColumbus | Form 990-EZ | $160,782FY2025 |
| Friends of the Florence Wild Rivers Interpretive Center IncFlorence | Form 990-EZ | $158,209FY2025 |
| North American Stormwater and Erosion Control Association of WisMadison | Form 990-EZ | $154,565FY2025 |
| Keep Greater Milwaukee Beautiful IncMilwaukee | Form 990-EZ | $150,920FY2025 |
| Monarch Butterfly FundMadison | Form 990-EZ | $149,934FY2025 |
| Outdoors Forever IncMauston | Form 990-EZ | $149,891FY2024 |
| Manitowish Waters Lakes Association IncManitowish Waters | Form 990 | $144,512FY2025 |
| Forest Exploration Center IncWauwatosa | Form 990-EZ | $142,702FY2025 |
| Friends of the Broughton Sheboygan MarshElkhart Lake | Form 990-EZ | $142,136FY2025 |
| Grafton Parks Society IncGrafton | Form 990-EZ | $141,538FY2024 |
| Geneva Lake Association IncLake Geneva | Form 990-EZ | $139,083FY2025 |
| Izaak Walton League of America IncBeloit | Form 990-EZ | $136,727FY2025 |
| Standing Cedars Community Land Conservancy IncOsceola | Form 990 | $136,641FY2025 |
| Three Lakes Waterfront Assn IncThree Lakes | Form 990-EZ | $135,517FY2025 |
| Mondovi Conservation Club IncMondovi | Form 990 | $134,967FY2025 |
| Lake Eau Galle Association IncEau Galle | Form 990-EZ | $134,240FY2025 |
| Pelican Lake Association IncPelican Lake | Form 990-EZ | $133,857FY2025 |
| Friess Lake Advancement AssociationHubertus | Form 990-EZ | $132,687FY2025 |
| Nearby Nature MilwaukeeMilwaukee | Form 990-EZ | $130,461FY2025 |
| American Peony SocietyChilton | Form 990-EZ | $127,889FY2026 |
| Cataract Sportsmens Club IncCataract | Form 990 | $127,680FY2025 |
| Urban Tree AllianceMadison | Form 990-EZ | $127,455FY2025 |
| River Revitalizational Foundation IncMilwaukee | Form 990-EZ | $126,935FY2024 |
| Wisconsin Conservation and Education Foundation IncMadison | Form 990 | $126,913FY2025 |
| Community Conservation IncViroqua | Form 990-EZ | $121,755FY2025 |
| International Union of Soil Sciences IncMadison | Form 990 | $118,811FY2024 |
| Dusty Trails Atv Club IncMountain | Form 990-EZ | $117,444FY2025 |
| Friends of Kickapoo Valley Reserve IncLa Farge | Form 990-EZ | $117,418FY2024 |
| Dairymens Foundation IncBoulder Junction | Form 990 | $115,185FY2025 |
| Namakagon Lake Association IncCable | Form 990-EZ | $113,516FY2025 |
| Madeline Island Wilderness PreserveLa Pointe | Form 990 | $113,095FY2024 |
| Pringle Nature CenterBristol | Form 990-EZ | $111,109FY2025 |
| Coon Creek Community Watershed Council IncCoon Valley | Form 990-EZ | $110,369FY2024 |
| Environmental Sustainability Rotarian Action Group IncMadison | Form 990-EZ | $109,986FY2025 |
| Forest Lake Preservation Foundation IncLand O'Lakes | Form 990-EZ | $105,908FY2025 |
| River Valley Trails IncHudson | Form 990-EZ | $100,263FY2025 |
| Wisconsin Association for Environmental Education IncMilwaukee | Form 990-EZ | $99,775FY2024 |
| Peninsula Pride Farms IncLuxemburg | Form 990-EZ | $99,514FY2025 |
| Coalition to Save the Menominee River IncMarinette | Form 990-EZ | $99,008FY2023 |
| Friends of the Cedarburg Bog IncSaukville | Form 990-EZ | $98,902FY2025 |
| Eagle River Chain of Lakes AssociationEagle River | Form 990 | $97,843FY2025 |
| Kettle Moraine Land TrustElkhorn | Form 990 | $97,080FY2024 |
| Friends of Dutch Hollow Lake IncLa Valle | Form 990-EZ | $96,729FY2025 |
| Friends of Ledgeview Nature CenterChilton | Form 990-EZ | $96,007FY2024 |
| Whitetails Unlimited IncAltoona | Form 990-EZ | $95,402FY2025 |
| Long Lake Preservation AssociationBirchwood | Form 990-EZ | $94,545FY2024 |
| Forest Co Atv AssociationLaona | Form 990-EZ | $93,024FY2025 |
| Friends of Mirror Lake State ParkBaraboo | Form 990-EZ | $92,467FY2025 |
| Marsh Haven Nature Center IncWaupun | Form 990 | $91,639FY2024 |
151 to 200 of 805