| Relationships | Role | Relationship Start | Relationship End |
| W.T.B. Financial Corporation | Parent | 7/1/1989 | 3/16/1997 |
| Norban Financial Group, Inc. | Parent | 9/26/1983 | 6/30/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Washington Trust Bank | Buyer | 5,368,746 | Pooling of Interests | Discontinued | 3/17/1997 |