| Relationships | Role | Relationship Start | Relationship End |
| Comerica Investment Services, Inc. | Parent | 10/1/1993 | 2/12/1995 |
| Comerica Incorporated | Parent | 6/18/1992 | 9/30/1993 |
| Manufacturers National Corporation | Parent | 1/3/1985 | 6/17/1992 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Comerica Insurance Group, Inc. | Buyer | Discontinued | 2/13/1995 |