| Owner | Manager | From | Until | | Crocker National Bank - Los Angeles, California, USA | Litton Great Lakes Corporation - USA | 1973/12 | 1987 |
| First Interstate Bank of California - Los Angeles, California, USA | Litton Great Lakes Corporation - USA | 1987 | 1997/11/01 |
| Canadian National Railway Company - Canada | Keystone Shipping Company - Bala Cynwyd, Pennsylvania, USA | 2003 | |
|
| Fleet | From | Until | | United States Steel Corporation | 1973/12 | 1997/11/01 |
| Great Lakes Fleet - Duluth, Minnesota, USA | 2003 | |
|