| Relationships | Role | Relationship Start | Relationship End |
| Mcorp Financial Inc | Parent | 10/10/1984 | 7/31/1987 |
| Southwest Bancshares, Inc. | Parent | 8/9/1972 | 10/9/1984 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mbank Denton County, National Association | Buyer | 220,122 | Discontinued | 8/1/1987 |