| Relationships | Role | Relationship Start | Relationship End |
| Tcb Investments, Inc. | Parent | 1/11/1978 | 12/29/1986 |
| Kansas City Computing Service, Inc. | Subsidary | 9/1/1978 | 12/29/1986 |
| Westport Safe Deposit Co. | Subsidary | 1/11/1978 | 9/1/1978 |
| Westport Bonds | Subsidary | 1/11/1978 | 9/1/1978 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| The Merchants Bank | Buyer | 1,451,535 | Discontinued | 12/30/1986 |