| Relationships | Role | Relationship Start | Relationship End |
| Comerica Investment Services, Inc. | Parent | 6/30/2007 | |
| Comerica Investment Services, Inc. | Parent | 4/2/2000 | 6/29/2007 |
| Comerica Bank | Parent | 1/1/1999 | 4/1/2000 |
| Comerica Investment Services, Inc. | Parent | 7/17/1993 | 12/31/1998 |
| Comerica Incorporated | Parent | 6/18/1992 | 7/16/1993 |
| Manufacturers National Corporation | Parent | 5/24/1988 | 6/17/1992 |