| Relationships | Role | Relationship Start | Relationship End |
| Texas Commerce Operating Services, Inc. | Parent | 12/14/1994 | 7/31/2002 |
| Texas Commerce Bancshares, Inc. | Parent | 9/7/1979 | 12/13/1994 |
| Austin Properties Company | Subsidary | 10/12/1986 | 7/23/1997 |
| Trask Properties Company | Subsidary | 10/30/1986 | 7/23/1997 |
| Herrmann Properties Company | Subsidary | 9/12/1990 | 12/22/1994 |