| Owner | Manager | From | Until | | British Admiralty - United Kingdom | | 1919/01 | 1921/01 |
| Crichton, Thompson & Company - London, England | | 1921/01 | 1923/01 |
| J.H. Clarke - London, England | | 1923/01 | 1923/12 |
| St. John Shipbuilding & Drydock Company - Saint John, New Brunswick, Canada | | 1923/12 | 1924/12 |
| Canadian Dredging Company - Midland, Ontario, Canada | | 1924/12 | 1946/01 |
| Canadian Dredge & Dock Company Ltd. - Toronto, Ontario, Canada | | 1946/01 | 1987/11 |
| Unknown east US coast owners | | 1988/01 | 2000 |
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