Provisional. Ranked October 7, 2026 from the filings the IRS had published by then. Organizations have up to 10½ months after their year ends to file, so the list will change as the rest arrive.
| Rank | National | Organization | Growth | Revenue |
|---|---|---|---|---|
| 1 | 33 | 4 Ranges Community Recreation Livingston, MT · Recreation and sports | 2,765% | $294K → $8.4M |
| 2 | 105 | The Foundation for the Diocese of Helena Helena, MT · Religion related | 1,352% | $887K → $12.9M |
| 3 | 494 | Fast Blackfeet Browning, MT · Food and agriculture | 376% | $682K → $3.2M |
| 4 | 594 | Bozeman Fiber Belgrade, MT · Community improvement | 328% | $656K → $2.8M |
| 5 | 657 | Dream Adaptive Recreation INC Whitefish, MT · Recreation and sports | 300% | $606K → $2.4M |
| 6 | 967 | Great Northern Development Corporation Wolf Point, MT · Employment | 222% | $1.1M → $3.6M |