| Relationships | Role | Relationship Start | Relationship End |
| Dakota Bancorporation | Parent | 8/1/1977 | 9/13/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First National Bank & Trust Co. Of Williston | Buyer | 444,016 | Failure | 9/14/1990 | |
| Columbus National Bank | Seller | 3,260 | Discontinued | 8/1/1977 |