| Relationships | Role | Relationship Start | Relationship End |
| Mcorp Financial Inc | Parent | 10/10/1984 | 1/21/1988 |
| Southwest Bancshares, Inc. | Parent | 6/22/1981 | 10/9/1984 |
| Dynamerica Corporation | Parent | 3/22/1974 | 8/10/1975 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mbank Dallas, National Association | Buyer | 6,556,056 | Discontinued | 1/22/1988 |