| Relationships | Role | Relationship Start | Relationship End |
| Mtech Corp | Parent | 12/31/1983 | 9/1/1985 |
| Corpus Christi National Bank | Parent | 8/27/1974 | 12/30/1983 |
| Mtech Information Processing Corp | Subsidary | 12/31/1984 | 9/1/1985 |
| Mtech Thrift Services Corp | Subsidary | 10/10/1984 | 8/1/1985 |
| Mtech Micro Services Corp | Subsidary | 3/1/1984 | 4/1/1985 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Mtech Corp | Buyer | Discontinued | 9/2/1985 |