Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| 1ST LIBERTY | Great Falls, MT | 01-01-1955 | $214,206 | CU |
| SOUTHWEST MONTANA COMMUNITY | Anaconda, MT | 01-01-1941 | $203,329 | CU |
| SKY | Livingston, MT | 01-01-1935 | $197,304 | CU |
| The First State Bank of Malta | Malta, MT | 03-04-1903 | $189,670 | BK |
| LINCOLN COUNTY | Libby, MT | 01-01-1957 | $186,572 | CU |
| Eagle Bank | Polson, MT | 07-25-2006 | $179,515 | BK |
| The First State Bank of Shelby | Shelby, MT | 01-01-1910 | $175,638 | BK |
| First State Bank of Forsyth | Forsyth, MT | 01-01-1917 | $165,547 | BK |
| The Bank of Baker | Baker, MT | 09-20-1924 | $160,896 | BK |
| Freedom Bank | Columbia Falls, MT | 04-12-2005 | $157,269 | BK |
| Citizens Bank & Trust Company | Big Timber, MT | 01-01-1927 | $155,395 | BK |
| BEAR PAW | Havre, MT | 01-01-1942 | $144,966 | CU |
| GRASSLANDS | CIRCLE, MT | 01-01-1956 | $141,458 | CU |
| EMBARK | Great Falls, MT | 01-01-1936 | $134,813 | CU |
| Pioneer State Bank | Deer Lodge, MT | 01-01-1912 | $133,546 | BK |