| Relationships | Role | Relationship Start | Relationship End |
| Frank J. Eicher Company, Inc. | Parent | 12/31/1970 | 5/31/1984 |
| First Of Coralville | Subsidary | 9/30/1977 | 1/1/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Hills Bank And Trust Company | Buyer | 2,593,974 | Discontinued | 6/1/1984 |