| Owner | Manager | From | Until | | Algoma Central & Hudson Bay Railway Company - Sault Ste. Marie, Ontario, Canada | | 1964/03 | 1970/01 |
| Algoma Steamships Ltd. - Canada | | 1970/01 | 1979/01 |
| N.M. Paterson & Sons - Thunder Bay, Ontario, Canada | | 1979/01 | 2002/06 |
|
| Fleet | From | Until | | Algoma Central Marine - Sault Ste. Marie, Ontario, Canada | 1964/03 | 1979/01 |
| N.M. Paterson & Sons Ltd. - Canada | 1979/01 | 2002/06 |
|