| Relationships | Role | Relationship Start | Relationship End |
| Cole-Taylor Financial Group, Inc. | Parent | 12/30/1983 | 12/31/1988 |
| Main Corporation (The) | Parent | 12/31/1981 | 12/29/1983 |
| Main Corporation (The) | Parent | 12/31/1980 | 12/30/1981 |
| Main Corporation (The) | Parent | 12/31/1974 | 12/30/1980 |
| Main Corporation (The) | Parent | 12/31/1970 | 12/30/1974 |
| Cole Taylor Operations Network Inc. | Subsidary | 1/1/1984 | 12/31/1988 |
| 1965 Milwaukee Ave. Building Corp. | Subsidary | 12/31/1970 | 12/31/1988 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Cole Taylor Bank | Buyer | 5,952,440 | Discontinued | 1/1/1989 | |
| Wheeling Trust And Savings Bank | Seller | 103,575 | Discontinued | 8/7/1984 | |
| Main State Bank | Seller | Discontinued | 9/2/1969 |