| Relationships | Role | Relationship Start | Relationship End |
| Mcorp Financial Inc | Parent | 12/31/1984 | 7/14/1994 |
| Mcorp | Parent | 4/13/1976 | 12/30/1984 |
| Mercantile National Corporation | Parent | 7/31/1975 | 4/11/1976 |
| Equitable Company Of Texas, The | Parent | 11/22/1968 | 6/2/1975 |
| Mbank Building Corporation | Subsidary | 10/10/1984 | 7/14/1994 |
| Mbk Building Corporation | Subsidary | 12/31/1986 | 7/14/1994 |