| Relationships | Role | Relationship Start | Relationship End |
| Metals Holdings Inc. | Parent | 12/31/1985 | 10/1/1991 |
| Lincoln Shipping Company | Subsidary | 12/31/1985 | 10/1/1991 |
| Harding Shipping Corporation | Subsidary | 6/30/1986 | 10/1/1991 |
| Roosevelt Shipping Company | Subsidary | 7/31/1986 | 10/1/1991 |
| Tyler Shipping Corporation | Subsidary | 12/31/1986 | 10/1/1991 |
| Monroe Shipping Company | Subsidary | 12/31/1986 | 10/1/1991 |