| Relationships | Role | Relationship Start | Relationship End |
| Metallgesellschaft Corp. | Parent | 12/31/1991 | 12/30/1993 |
| Mg Technologies Ag | Parent | 9/27/1988 | 12/30/1989 |
| Methanex Methanol Company | Subsidary | 12/31/1989 | 12/30/1991 |
| Methanex Methanol Company | Subsidary | 2/27/1989 | 12/30/1989 |