| Relationships | Role | Relationship Start | Relationship End |
| Inter-Mountain Bancorp., Inc. | Parent | 10/10/2000 | 5/17/2001 |
| Westbanco | Parent | 12/27/1993 | 10/9/2000 |
| Westbanco | Parent | 6/17/1993 | 12/26/1993 |
| Westbanco | Parent | 12/31/1989 | 6/16/1993 |
| Westbanco | Parent | 5/2/1984 | 12/30/1989 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Security Bank | Buyer | 811,072 | Pooling of Interests | Discontinued | 5/18/2001 |