Owner | Manager | From | Until | Pittsburgh Steamship Company - Duluth, Minnesota, United States | | 1916/07 | 1951/07 |
United States Steel Corporation - USA | | 1951/07 | 1967 |
United States Steel Great Lakes Fleet - USA | | 1967 | 1978 |
Kinsman Marine Transit Company - Cleveland, Ohio, USA | | 1978 | 1994/06 |
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Fleet | From | Until | United States Steel Corporation | 1951/07 | 1978 |
Kinsman Marine Transit Company - Cleveland, Ohio | 1978 | 1994/06 |
|