| 1 | Whitefish Credit Union Association | Whitefish, MT | $2.06B | 12.70% | 0.48% | 0.15% | 65,594 |
| 2 | Clearwater Federal Credit Union | Missoula, MT | $1.17B | 12.83% | 1.32% | 0.67% | 67,843 |
| 3 | Altana Federal Credit Union | Billings, MT | $668.3M | 11.24% | 1.05% | 0.96% | 40,460 |
| 4 | Valley Financial Credit Union | Billings, MT | $600.9M | 10.68% | 0.83% | 0.25% | 39,267 |
| 5 | Rocky Mountain Credit Union | Helena, MT | $426.5M | 8.74% | 0.24% | 1.15% | 24,915 |
| 6 | Park Side Financial Credit Union | Whitefish, MT | $390.4M | 9.37% | 0.31% | 0.20% | 30,183 |
| 7 | Montana Federal Credit Union | Great Falls, MT | $361.5M | 12.53% | 1.07% | 0.26% | 26,379 |
| 8 | Intrepid Credit Union | Helena, MT | $310.8M | 11.06% | 0.71% | 0.44% | 18,333 |
| 9 | Billings Federal Credit Union | Billings, MT | $216.1M | 11.73% | 0.60% | 0.77% | 13,202 |
| 10 | 1st Liberty Federal Credit Union | Great Falls, MT | $214.2M | 14.43% | 0.70% | 0.28% | 14,351 |
| 11 | Southwest Montana Community Federal Credit Union | Anaconda, MT | $203.3M | 11.63% | -1.12% | 1.85% | 11,414 |
| 12 | SKY Federal Credit Union | Livingston, MT | $197.3M | 7.72% | -0.07% | 1.02% | 12,930 |
| 13 | Grasslands Federal Credit Union | Circle, MT | $141.5M | 13.49% | 1.51% | 0.05% | 3,875 |
| 14 | Russell Country Federal Credit Union | Great Falls, MT | $131.1M | 7.60% | 0.07% | 1.12% | 9,901 |
| 15 | Richland Federal Credit Union | Sidney, MT | $118.9M | 14.92% | 1.26% | 0.14% | 4,828 |
| 16 | Fergus Federal Credit Union | Lewistown, MT | $117.5M | 14.08% | 1.98% | 0.56% | 6,526 |
| 17 | Daniels-Sheridan Federal Credit Union | Scobey, MT | $92.2M | 11.92% | 0.09% | 1.51% | 3,196 |
| 18 | Ravalli County Federal Credit Union | Hamilton, MT | $89.4M | 13.87% | 1.80% | 0.02% | 6,327 |
| 19 | Rimrock Credit Union | Billings, MT | $64.0M | 15.02% | 1.22% | 0.15% | 3,252 |
| 20 | Vocal Credit Union | Helena, MT | $52.6M | 13.19% | 0.97% | 0.40% | 4,362 |
| 21 | Community 1st Federal Credit Union | Miles City, MT | $43.2M | 11.14% | 0.47% | 1.60% | 3,924 |
| 22 | Butte Community Federal Credit Union | Butte, MT | $37.7M | 7.85% | 0.85% | 0.41% | 2,758 |
| 23 | Badlands Federal Credit Union | Glendive, MT | $37.6M | 8.06% | 0.54% | 1.45% | 2,191 |
| 24 | Montana Educators' Credit Union | Missoula, MT | $35.3M | 10.01% | 1.78% | 0.38% | 1,658 |
| 25 | Northwestern Energy Employees Federal Credit Union | Butte, MT | $35.3M | 10.86% | 0.70% | 0.12% | 2,894 |
| 26 | Mile High Federal Credit Union | Butte, MT | $30.2M | 14.27% | 0.60% | — | 1,715 |
| 27 | Glendive BN Federal Credit Union | Glendive, MT | $28.0M | 21.50% | 1.63% | — | 1,649 |
| 28 | S.E.G. Federal Credit Union | Laurel, MT | $25.6M | 12.63% | 0.31% | 0.75% | 2,010 |
| 29 | Mountain West Federal Credit Union | Butte, MT | $24.2M | 15.53% | 1.86% | 2.27% | 3,000 |
| 30 | Wolf Point Federal Credit Union | Wolf Point, MT | $23.3M | 17.19% | -0.99% | 1.54% | 3,256 |
| 31 | Bitterroot Community Federal Credit Union | Darby, MT | $18.9M | 8.53% | 0.37% | 0.59% | 2,127 |
| 32 | The Family First Federal Credit Union | Great Falls, MT | $18.8M | 11.01% | 2.15% | 2.44% | 1,681 |
| 33 | Fort Peck Community Federal Credit Union | Fort Peck, MT | $14.3M | 12.41% | 0.22% | 3.93% | 1,172 |
| 34 | Deer Lodge County School Employees Federal Credit Union | Anaconda, MT | $9.7M | 13.65% | 1.73% | — | 472 |
| 35 | Saint Pats Employee Federal Credit Union | Missoula, MT | $5.4M | 12.83% | 1.11% | 1.00% | 641 |
| 36 | Mdu Employees Federal Credit Union | Glendive, MT | $4.0M | 17.23% | 0.20% | — | 485 |
| 37 | The Morning Star Federal Credit Union | Lame Deer, MT | $2.2M | 9.88% | 0.79% | 5.89% | 2,482 |
| 38 | Tricounty Federal Credit Union | Harlowton, MT | $1.7M | 10.17% | -0.57% | — | 219 |
| 39 | Froid Federal Credit Union | Froid, MT | $1.3M | 11.96% | 2.16% | — | 165 |
| 40 | Northern Montana Hospital Federal Credit Union | Havre, MT | $982K | 11.69% | -0.68% | — | 185 |