| 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 |  
 
 | 
| 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 |  
 
 |