| Relationships | Role | Relationship Start | Relationship End |
| Bokf, National Association | Parent | 6/30/2007 | |
| Bokf, National Association | Parent | 7/1/1988 | 6/29/2007 |
| Bancoklahoma Corp. | Parent | 12/31/1970 | 6/30/1988 |
| Citizens Mortgage Group, Inc. | Subsidary | 9/1/1995 | 12/31/1996 |