| Piegan InstituteBrowning | Form 990 | $883,053FY2025 |
| Glacier Symphony and Chorale IncKalispell | Form 990 | $863,834FY2025 |
| Camp FireMissoula | Form 990 | $840,048FY2024 |
| Montana Coalition Against Domestic and Sexual ViolenceHelena | Form 990 | $829,688FY2024 |
| Montana 4-H Foundation IncBozeman | Form 990 | $817,566FY2025 |
| Great Falls Public Library FoundationGreat Falls | Form 990 | $812,012FY2025 |
| Association of School Business Officials InternationalHelena | Form 990 | $810,965FY2026 |
| Habitat for Humanity International IncMissoula | Form 990 | $740,008FY2025 |
| Flathead Valley Ski Education FoundationWhitefish | Form 990 | $725,198FY2025 |
| YWCA Great FallsGreat Falls | Form 990 | $705,242FY2025 |
| Discovery Developmental Center IncKalispell | Form 990 | $686,405FY2025 |
| Silver Bow County Developmental Disabilities Council IncButte | Form 990 | $672,396FY2024 |
| Lakeside Qru IncLakeside | Form 990 | $666,209FY2025 |
| Havre Eagles ManorBigfork | Form 990 | $647,497FY2026 |
| Safe Space IncButte | Form 990 | $638,881FY2025 |
| Womens Resource CenterDillon | Form 990 | $631,756FY2025 |
| Blackfeet Opportunities IncBrowning | Form 990 | $630,833FY2025 |
| Montana Chamber FoundationHelena | Form 990 | $610,093FY2025 |
| Frances Mahon Deaconess Hospital Foundation IncGlasgow | Form 990 | $610,004FY2025 |
| The International Association for Bear Research and ManagementBozeman | Form 990 | $607,984FY2025 |
| Child and Family Resource Council IncMissoula | Form 990 | $578,229FY2025 |
| Montana Stockgrowers FoundationHelena | Form 990 | $576,835FY2025 |
| Horizon Lodge IncConrad | Form 990 | $572,709FY2025 |
| Billings Studio Theatre IncBillings | Form 990 | $568,569FY2025 |
| Billings Public Library Foundation IncBillings | Form 990 | $556,246FY2025 |
| Court Appointed Special Advocates of Missoula IncMissoula | Form 990 | $555,600FY2025 |
| Whitefish Manor IncWhitefish | Form 990 | $550,005FY2025 |
| Glacier Nordic Club IncWhitefish | Form 990 | $540,041FY2025 |
| National Network of Abortion FundsMissoula | Form 990 | $526,637FY2025 |
| Montana School for the Deaf and Blind FoundationGreat Falls | Form 990 | $517,370FY2025 |
| Magic City Soccer Club IncBillings | Form 990 | $511,510FY2024 |
| Recycling WorksMissoula | Form 990 | $500,681FY2025 |
| Montana Preservation Alliance IncHelena | Form 990 | $473,600FY2025 |
| Memorial Ambulance of Fort Benton MontanaFort Benton | Form 990 | $469,257FY2024 |
| Sunrise Bluff Estates IncFort Benton | Form 990 | $466,376FY2025 |
| Montana Association for the Education of Young ChildrenKalispell | Form 990 | $459,719FY2025 |
| Owl Research Institute IncCharlo | Form 990 | $459,263FY2024 |
| Butte Amateur Hockey AssociationButte | Form 990 | $458,222FY2025 |
| United Way of the Lewis and Clark AreaHelena | Form 990 | $454,423FY2023 |
| Carter County Geological SocietyEkalaka | Form 990 | $448,718FY2024 |
| Montana 4-H Foundation IncTownsend | Form 990 | $441,391FY2025 |
| Montana High School Rodeo CorporationHuntley | Form 990 | $440,113FY2025 |
| Helena Television Coalition IncHelena | Form 990 | $437,804FY2025 |
| Northwest Montana Historical Society IncKalispell | Form 990 | $437,567FY2025 |
| Big Brothers Big Sisters of Central MontanaHelena | Form 990 | $434,425FY2024 |
| American Academy of Head Facial and Neck Pain & TMJ OrthopedicsKalispell | Form 990 | $421,109FY2025 |
| Montana 4-H Foundation IncHavre | Form 990 | $409,985FY2025 |
| Great Falls Early Education AssociationGreat Falls | Form 990 | $406,611FY2023 |
| Boys & Girls Club of Red Lodge & the Beartooth Front IncRed Lodge | Form 990 | $397,812FY2025 |
| American Society for Legal HistoryMissoula | Form 990 | $392,803FY2024 |