| Owner | Manager | From | Until | | Pittsburgh Steamship Company - Cleveland, Ohio, United States | | 1923/04 | 1951/07 |
| United States Steel Corporation - USA | | 1951/07 | 1967 |
| United States Steel Great Lakes Fleet - USA | | 1967 | 1978/02 |
| Kinsman Marine Transit Company - Cleveland, Ohio, USA | | 1978/02 | 1988/08 |
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| Fleet | From | Until | | Pittsburgh Steamship Company - Duluth, Minnesota | 1923/04 | 1951/07 |
| United States Steel Corporation | 1951/07 | 1978/02 |
| Kinsman Marine Transit Company - Cleveland, Ohio | 1978/02 | 1988/08 |
|