| Owner | Manager | From | Until | | British Ministry of War Transport | | 1945 | 1947/01 |
| Price Brothers - Quebec City, Canada | | 1947/01 | 1987/01 |
| Navigation Arcade - Notre-Dame-de-Pierreville, Quebec, Canada | | 1987/01 | 1989/01 |
| R. Berthiaume Marine Inc. - Pointe-aux-Trembles, Quebec City, Canada | | 1989/01 | 1994/01 |
| Urgence Marine Inc. - Quebec, Canada | | 1994/01 | 2005/01 |
| Toronto Drydock Limited - Toronto, Ontario, Canada | | 2005/01 | 2013/01 |
| Toronto Tug & Transport Company - Toronto, Ontario, Canada | | 2013/01 | |
|
| Fleet | From | Until | | Toronto Drydock Ltd - Toronto, Ontario | 2005/01 | 2013/01 |
|