| Relationships | Role | Relationship Start | Relationship End |
| Dyersville National Investment Company | Parent | 12/31/1981 | 4/10/1986 |
| Dyersville National Investment Company | Parent | 12/31/1980 | 12/30/1981 |
| Dyersville National Investment Company | Parent | 12/31/1976 | 12/30/1980 |
| Dyersville National Investment Company | Parent | 12/31/1973 | 12/30/1976 |
| Dyersville National Investment Company | Parent | 12/31/1972 | 12/30/1973 |
| Dyersville National Investment Company | Parent | 12/31/1970 | 12/30/1972 |
| Farm Credit Corporation | Subsidary | 8/7/1981 | 4/10/1986 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| American Trust & Savings Bank | Buyer | 1,077,145 | Failure | 4/11/1986 |