| Custer County Educational Foundation IncMiles City | Form 990 | $376,040FY2025 |
| Northern Lights Athletic Scholarship FoundationHavre | Form 990 | $365,418FY2025 |
| Bitterroot Public Library Foundation IncHamilton | Form 990 | $358,392FY2025 |
| The Angel FundHelena | Form 990 | $353,366FY2026 |
| Invasive Species Action NetworkLivingston | Form 990 | $324,003FY2024 |
| Shermont Manor Housing CorporationButte | Form 990 | $322,208FY2025 |
| Opt Out Learning CenterBozeman | Form 990 | $319,864FY2025 |
| Miles City Convent KeepersMiles City | Form 990 | $315,947FY2025 |
| Friends of the Livingston-Park County LibraryLivingston | Form 990 | $297,343FY2025 |
| Aidspirit USABillings | Form 990 | $291,879FY2025 |
| Garden City Ballet CompanyMissoula | Form 990 | $275,676FY2025 |
| Belgrade Education FoundationBelgrade | Form 990 | $270,792FY2025 |
| Bigfork Development CompanyBigfork | Form 990 | $270,644FY2024 |
| American Simmental-Simbrah Foundation IncBozeman | Form 990 | $255,826FY2025 |
| Belgrade Community Library Foundation IncBelgrade | Form 990 | $253,799FY2025 |
| Montana Small Schools AllianceDillon | Form 990 | $245,574FY2024 |
| Friends of Irish Studies in the WestMissoula | Form 990 | $245,073FY2024 |
| Willson Preschool IncBozeman | Form 990 | $240,627FY2026 |
| Gap Year AssociationMissoula | Form 990 | $237,140FY2024 |
| School of the BeartoothsRed Lodge | Form 990 | $236,083FY2025 |
| Missoula Curling ClubMissoula | Form 990 | $235,709FY2025 |
| Missoula Public Library Foundation IncMissoula | Form 990 | $229,935FY2024 |
| Elevation Foundation IncGreat Falls | Form 990 | $227,484FY2025 |
| Woodland Montessori School FoundationKalispell | Form 990 | $221,823FY2024 |
| The Montana Dinosaur CenterBynum | Form 990 | $219,411FY2024 |
| Whitefish United Methodist Childrens CenterWhitefish | Form 990 | $217,376FY2024 |
| Friends of the Big Sky Community LibraryBig Sky | Form 990 | $210,297FY2026 |
| Friends of Bigfork Summer Playhouse Legacy FundBigfork | Form 990 | $210,096FY2025 |
| Kalispell School District No 5EDUCATION Foundation IncKalispell | Form 990 | $204,964FY2025 |
| Lil Buds Day Care IncForsyth | Form 990 | $202,870FY2025 |
| Cit Montana IncHelena | Form 990-EZ | $188,932FY2025 |
| Flathead Future Farmers of AmericaKalispell | Form 990 | $188,867FY2024 |
| Community School CollaborativeLivingston | Form 990-EZ | $186,637FY2025 |
| Kootenai Country Montana FoundationLibby | Form 990-EZ | $178,621FY2024 |
| Northern Rockies Research & Educational Services IncLolo | Form 990-EZ | $175,856FY2025 |
| Montana Library Association IncMiles City | Form 990-EZ | $170,953FY2025 |
| Havre Public Schools Education Foundation IncHavre | Form 990 | $170,286FY2022 |
| Det Bozeman IncBozeman | Form 990-EZ | $166,751FY2025 |
| Montana Contractors Association Education Foundation IncHelena | Form 990-EZ | $162,896FY2024 |
| Conrad Community Education Foundation IncConrad | Form 990 | $160,525FY2025 |
| Benevolent & Protective Order of Elks of the USAGreat Falls | Form 990 | $160,286FY2026 |
| Twin Bridges Senior & Community Center IncTwin Bridges | Form 990 | $159,454FY2025 |
| Missouri River Open Lands PreservationGreat Falls | Form 990-EZ | $158,176FY2025 |
| Montana Coaches Association IncFort Shaw | Form 990-EZ | $157,723FY2025 |
| Powell County High School Higher Education Foundation IncDeer Lodge | Form 990 | $154,556FY2025 |
| Literacy Volunteers of America- Bitterroot IncHamilton | Form 990 | $148,542FY2025 |
| Glacier Academy for International Youth Cultural and Education ExchaMissoula | Form 990-EZ | $146,139FY2025 |
| 1776 FoundationBillings | Form 990-EZ | $144,508FY2025 |
| Gallatin High BoostersBozeman | Form 990-EZ | $138,315FY2024 |
| Montana City CasaMontana City | Form 990-EZ | $135,165FY2025 |