Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| 1st Financial Bank USA | Dakota Dunes, SD | 01-01-1910 | $1,313,798 | BK |
| Plains Commerce Bank | Sioux Falls, SD | 07-16-1931 | $1,270,295 | BK |
| Pioneer Bank & Trust | Belle Fourche, SD | 08-30-1937 | $952,831 | BK |
| Reliabank Dakota | Estelline, SD | 09-01-1920 | $789,575 | BK |
| DAKOTALAND | Huron, SD | 01-01-1935 | $691,737 | CU |
| First Fidelity Bank | Burke, SD | 01-01-1905 | $650,553 | BK |
| Security Savings Bank | Canton, SD | 06-14-1920 | $515,262 | BK |
| Black Hills Community Bank, N.A. | Rapid City, SD | 11-27-2007 | $477,951 | BK |
| LEVO | Sioux Falls, SD | 01-01-1934 | $470,553 | CU |
| First National Bank | Oldham, SD | 02-15-1985 | $451,823 | BK |
| First National Bank in Philip | Philip, SD | 12-04-1906 | $425,137 | BK |
| One American Bank | Centerville, SD | 01-01-1883 | $404,838 | BK |
| Security Bank Midwest | Tyndall, SD | 11-01-1932 | $344,300 | BK |
| BankStar Financial | Elkton, SD | 03-20-1926 | $328,522 | BK |
| Frontier Bank | Sioux Falls, SD | 06-24-1994 | $328,150 | BK |