| Owner | Manager | From | Until | | Cleveland Steamship Company - Cleveland, Ohio, USA | John Mitchell - USA | 1901/03 | 1916/01 |
| Interlake Steamship Company - Cleveland, Ohio, USA | Pickands Mather & Company - USA | 1916/01 | 1926/01 |
| Paterson Steamships Ltd. - Fort William, Ontario, Canada | | 1926/01 | 1950/01 |
| N.M. Paterson & Sons - Fort William, Ontario, Canada | | 1950/01 | 1965/05 |
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| Fleet | From | Until | | N.M. Paterson & Sons Ltd. - Canada | 1950/01 | 1965/05 |
|