| Owner | Manager | From | Until | | Canada Steamship Lines - Montreal, Quebec, Canada | | 1954/04 | 1969 |
| Canadian Shipbuilding & Engineering Ltd. | Canada Steamship Lines - Canada | 1969 | 1976 |
| Power Corporation of Canada | Canada Steamship Lines - Canada | 1976 | 1983 |
| Canada Steamship Lines - Montreal, Quebec, Canada | | 1983 | 1988/02 |
| P&H Shipping Ltd. - Mississauga, Ontario, Canada | | 1988/02 | 2004/02 |
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| Fleet | From | Until | | Canada Steamship Lines - Canada | 1954/04 | 1988/02 |
| P&H Shipping Company - Mississauga, Ontario | 1988/02 | 2004/02 |
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