| Relationships | Role | Relationship Start | Relationship End |
| Lauritzen Corporation | Parent | 12/28/1993 | 7/1/1999 |
| Lauritzen Corporation | Parent | 6/30/1993 | 12/27/1993 |
| Lauritzen Corporation | Parent | 6/29/1989 | 6/29/1993 |
| Evergreen Corporation | Parent | 12/31/1970 | 5/7/1975 |