| Owner | Manager | From | Until | | Algoma Central Marine - Canada | | 1972/09 | 1993 |
| Algoma Central Corporation - Canada | Seaway Marine Transport - Canada | 1993 | 2018/06 |
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| Fleet | From | Until | | Algoma Steel Corporation Ltd.- Sault Ste. Marie, Ontario | 1972/09 | 1993 |
| Seaway Marine Transport - St. Catharines, Ontario | 1993 | 2018/06 |
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