| Owner | Manager | From | Until |  | Yankcanuck Steamships Ltd. |  | 1963/04 | 1971 |  
| Algoma Steel Corporation Ltd. |  | 1971 | 1975 |  
| Chemco Equipment Finance Canada Ltd. |  | 1975 | 1983 |  
| Algoma Steel Corporation Ltd. |  | 1983 | 1991 |  
| Purvis Marine Ltd. |  | 1991 | 2016/11 |  
 
 | 
| Fleet | From | Until |  | Yankcanuck Steamships Ltd. - Sault Ste. Marie, Ontario | 1963/04 | 1971 |  
| Algoma Steel Corporation Ltd.- Sault Ste. Marie, Ontario | 1983 | 1991 |  
| Purvis Marine Ltd. - Sault Ste. Marie, Ontario | 1991 | 2016/11 |  
 
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