| Owner | Manager | From | Until | | Eastern Steamship Company Ltd. - Canada | | 1923/08 | 1936/01 |
| Upper Lakes & St. Lawrence Transportation Company - Toronto, Ontario, Canada | | 1936/01 | 1959 |
| Pyke Salvage & Navigation Company - Kingston, Ontario, Canada | | 1959 | 1963 |
| Pyke-McAllister Salvage Ltd. - Canada | | 1963 | 1975 |
| McAllister Towing & Salvage Co. - Canada | | 1975 | 2000 |
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