| Relationships | Role | Relationship Start | Relationship End |
| Ameribanc, Inc. | Parent | 9/10/1996 | 9/13/1996 |
| Mercantile Bancorporation Inc. Of Iowa | Parent | 1/2/1996 | 9/9/1996 |
| Hawkeye Bancorporation | Parent | 1/1/1984 | 1/1/1996 |
| Centerville National Inc | Parent | 12/31/1976 | 12/31/1983 |
| Centerville National Inc | Parent | 12/31/1970 | 12/30/1976 |
| Hawkeye Agricultural Credit Corporation | Subsidary | 9/30/1978 | 12/30/1981 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mercantile Bank Midwest | Buyer | 3,086,882 | Pooling of Interests | Discontinued | 9/14/1996 |
| United Federal Savings Association Of Iowa | Seller | 196,162 | Failure | 6/25/1994 | |
| Seymour State Bank | Seller | 14,263 | Discontinued | 12/22/1982 |