| Relationships | Role | Relationship Start | Relationship End |
| National Bancshares Corporation Of Texas | Parent | 11/28/1983 | 6/1/1990 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Nationsbank Of Texas, National Association | Buyer | 62,921,254 | Failure | 6/2/1990 | |
| Southwest Branch | Seller | Discontinued | 6/30/1987 | ||
| Nbc Bank - Spring Branch | Seller | 69,985 | Discontinued | 6/30/1987 | |
| Nbc Bank - Meyerland | Seller | 84,320 | Discontinued | 6/30/1987 |