Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Security Bank Midwest | Tyndall, SD | 11-01-1932 | $304,087 | BK |
| VOYAGE | Sioux Falls, SD | 01-01-1939 | $285,309 | CU |
| One American Bank | Centerville, SD | 01-01-1883 | $285,193 | BK |
| Commercial State Bank, of Wagner | Wagner, SD | 05-31-1902 | $260,430 | BK |
| HIGHMARK | RAPID CITY, SD | 01-01-1940 | $257,808 | CU |
| Farmers State Bank | Parkston, SD | 07-19-1919 | $254,767 | BK |
| Security National Bank of South Dakota | Dakota Dunes, SD | 05-01-1997 | $251,458 | BK |
| Quoin Financial Bank | Miller, SD | 01-01-1938 | $250,726 | BK |
| Campbell County Bank, Inc. | Herreid, SD | 06-13-1944 | $240,706 | BK |
| Merchants State Bank | Freeman, SD | 08-08-1899 | $219,569 | BK |
| SERVICE FIRST | Sioux Falls, SD | 01-01-1934 | $209,718 | CU |
| BLUESTONE | Sioux Falls, SD | 01-01-1938 | $205,596 | CU |
| NORTHERN HILLS | STURGIS, SD | 01-01-1950 | $204,896 | CU |
| AREA | ABERDEEN, SD | 01-01-1935 | $199,935 | CU |
| SENTINEL | BOX ELDER, SD | 01-01-1955 | $199,280 | CU |