Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| First Western Federal Savings Bank | Rapid City, SD | 06-06-1979 | $65,157 | BK |
| Farmers State Bank of Canton | Canton, SD | 10-01-1901 | $62,701 | BK |
| The Security State Bank | Emery, SD | 01-01-1920 | $59,183 | BK |
| Sunrise Bank Dakota | Onida, SD | 01-01-1925 | $57,902 | BK |
| Bryant State Bank | Bryant, SD | 03-01-1915 | $50,115 | BK |
| Richland State Bank | Bruce, SD | 01-01-1927 | $47,554 | BK |
| RAPID CITY TELCO | Rapid City, SD | 01-01-1945 | $44,334 | CU |
| M O | Huron, SD | 01-01-1950 | $40,726 | CU |
| FT RANDALL | WAGNER, SD | 01-01-1951 | $39,662 | CU |
| DAKOTA STAR | RAPID CITY, SD | 01-01-1952 | $39,596 | CU |
| EAST RIVER | Madison, SD | 01-01-1956 | $38,924 | CU |
| OAHE | Pierre, SD | 01-01-1955 | $38,353 | CU |
| SIOUX VALLEY COOP | Watertown, SD | 01-01-1953 | $37,507 | CU |
| The Farmers State Bank of Turton | Turton, SD | 08-13-1915 | $35,819 | BK |
| The Farmers and Merchants State Bank | Scotland, SD | 03-06-1934 | $34,209 | BK |