Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Beartooth Resource Conservation and Development AreaJoliet | Form 990 | $690,003FY2024 |
| Big Hole Watershed CommitteeDivide | Form 990 | $687,647FY2024 |
| Yellowstone River Parks Association IncBillings | Form 990 | $660,074FY2024 |
| People and Carnivores IncBozeman | Form 990 | $642,961FY2025 |
| Sun River WatershedGreat Falls | Form 990 | $611,261FY2025 |
| Stillwater Valley Watershed CouncilAbsarokee | Form 990 | $602,086FY2024 |
| Great Burn Study GroupMissoula | Form 990 | $565,929FY2024 |
| Bighorn River AllianceBillings | Form 990 | $555,971FY2025 |
| Yellowstone Wildlife SanctuaryRed Lodge | Form 990 | $527,018FY2024 |
| Friends of Missoula Parks IncMissoula | Form 990 | $487,865FY2025 |
| Montanas Outdoor Legacy FoundationHelena | Form 990 | $458,233FY2024 |
| Bitterroot Water PartnershipHamilton | Form 990 | $456,629FY2024 |
| Whitefish Lake InstituteWhitefish | Form 990 | $448,624FY2024 |
| Yellow Dog Community and Conservation FoundationBozeman | Form 990 | $442,004FY2025 |
| Yaak Valley Forest CouncilTroy | Form 990 | $410,680FY2024 |
| Cottonwood Environmental Law CenterBozeman | Form 990 | $408,399FY2024 |
| Buffalo Field CampaignWest Yellowstone | Form 990 | $403,022FY2025 |
| Mt Mountain MamasBozeman | Form 990 | $387,130FY2025 |
| Montana Wilderness SchoolBozeman | Form 990 | $382,438FY2025 |
| Billings TrailnetBillings | Form 990 | $378,246FY2024 |
| Montana Raptor Conservation CenterBozeman | Form 990 | $376,283FY2025 |
| Alliance for the Wild Rockies IncMissoula | Form 990 | $364,633FY2024 |
| Big Sky Sno IncBig Sky | Form 990 | $362,835FY2025 |
| Climate Smart MissoulaMissoula | Form 990 | $350,202FY2025 |
| Montana Watershed Coordination Council IncHelena | Form 990 | $350,153FY2024 |
| Wildlife Ecology InstituteHelena | Form 990 | $327,259FY2024 |
| Back Country Horsemen of AmericaColumbia Falls | Form 990 | $324,349FY2025 |
| Grow Wild IncBozeman | Form 990 | $300,418FY2024 |
| Flathead Lakers IncPolson | Form 990 | $291,237FY2024 |
| Glacier-Two Medicine Alliance IncEast Glacier Park | Form 990 | $277,805FY2024 |
| Center for Science in Public ParticipationBozeman | Form 990 | $274,535FY2025 |
| Headwaters Trail SystemThree Forks | Form 990 | $269,640FY2025 |
| Absaroka Beartooth Wilderness FoundationRed Lodge | Form 990 | $258,977FY2024 |
| Montana Weed Control AssociationTwin Bridges | Form 990 | $233,599FY2025 |
| Flathead Rivers AllianceWhitefish | Form 990 | $213,734FY2025 |
| Beaverhead Trails Coalition IncDillon | Form 990 | $198,269FY2024 |
| Flathead Audubon SocietyKalispell | Form 990 | $196,611FY2025 |
| Madison Valley Ranchlands Group IncEnnis | Form 990 | $189,994FY2025 |
| Centennial Valley Association IncDillon | Form 990-EZ | $185,733FY2025 |
| Bozeman Bike KitchenBozeman | Form 990 | $180,781FY2025 |
| Ohara Commons and Sustainability Center IncHamilton | Form 990-EZ | $176,819FY2024 |
| Ravenwood Outdoor Learning CenterWhitefish | Form 990-EZ | $173,523FY2024 |
| Friends of Park County IncLivingston | Form 990-EZ | $168,037FY2025 |
| Families for a Livable ClimateMissoula | Form 990-EZ | $149,607FY2025 |
| The Watershed Education NetworkMissoula | Form 990-EZ | $149,509FY2024 |
| Watershed Restoration Coalition of the Upper Clark ForkDeer Lodge | Form 990-EZ | $143,891FY2024 |
| Montana Renewable Energy AssociationHelena | Form 990-EZ | $140,525FY2025 |
| Upper Missouri Watershed Alliance IncHelena | Form 990-EZ | $137,367FY2025 |
| Society for Conservation Gis IncKalispell | Form 990-EZ | $134,850FY2025 |
| Save FarmlandWhitefish | Form 990 | $116,729FY2024 |
51 to 100 of 289