| Relationships | Role | Relationship Start | Relationship End |
| Mcorp Financial Inc | Parent | 10/10/1984 | 3/17/1988 |
| Southwest Bancshares, Inc. | Parent | 4/3/1981 | 10/9/1984 |
| Texbanc Corporation | Parent | 12/31/1976 | 2/6/1978 |
| Texbanc Corporation | Parent | 12/31/1975 | 12/30/1976 |
| Texbanc Corporation | Parent | 12/31/1974 | 12/30/1975 |
| Texbanc Corporation | Parent | 12/31/1973 | 12/30/1974 |
| Texbanc Corporation | Parent | 3/15/1971 | 12/30/1973 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mbank Jefferson County, National Association | Buyer | 330,935 | Discontinued | 3/18/1988 |