| Relationships | Role | Relationship Start | Relationship End |
| Mg Technologies Ag | Parent | 12/31/1980 | 12/30/1989 |
| Unterweser Shipping Agency Inc. | Subsidary | 7/1/1994 | 9/3/1995 |
| Unterweser Shipping Agency Inc. | Subsidary | 12/31/1989 | 6/30/1994 |
| Unterweser Shipping Agency Inc. | Subsidary | 12/31/1980 | 12/30/1989 |