| Relationships | Role | Relationship Start | Relationship End |
| Nationsbank Of Texas, National Association | Parent | 7/30/1988 | 9/14/1993 |
| First Republicbank Houston, National Association | Parent | 6/8/1987 | 7/29/1988 |
| Interfirst Bank Houston, National Association | Parent | 12/31/1976 | 6/7/1987 |
| Interfirst Corporation | Parent | 12/31/1972 | 12/30/1976 |
| Sugar Branch Joint Venture | Subsidary | 12/31/1977 | 9/1/1980 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Dpc, Inc. | Buyer | Discontinued | 9/15/1993 |