| Relationships | Role | Relationship Start | Relationship End |
| Securshares Incorporated | Parent | 7/13/1984 | 4/26/1996 |
| Commercial Bancshares, Inc. | Parent | 5/1/1980 | 7/1/1983 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| First Bank Katy, National Association | Buyer | 288,896 | Pooling of Interests | Discontinued | 4/27/1996 |