| Owner | Manager | From | Until | | United States Maritime Commission | | 1946/05 | 1951 |
| Nicholson-Universal Steamship Company - Detroit, Michigan, USA | Troy H. Browning - USA | 1951 | 1952 |
| Republic Steel Corporation - Cleveland, Ohio, USA | Troy H. Browning - USA | 1952 | 1957 |
| Republic Steel Corporation - Cleveland, Ohio, USA | Wilson Marine Transit Company - USA | 1957 | 1972 |
| Republic Steel Corporation - Cleveland, Ohio, USA | Cleveland-Cliffs Iron Company - USA | 1972 | 1980 |
|
| Fleet | From | Until | | Republic Steel Corporation - Detroit, Michigan | 1952 | 1972 |
| Cleveland Cliffs Steamship Company - Cleveland, Ohio | 1972 | 1980 |
|