| Owner | Manager | From | Until | | Canadian Dredging Company - Midland, Ontario, Canada | | 1920 | 1946 |
| Canadian Dredge & Dock Company - Canada | | 1946 | 1972 |
| United Metals - Hamilton, Ontario, Canada | | 1972 | 1973/12 |
| Unknown private ownership - Canada | | 1973/12 | 1984 |
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| Fleet | From | Until | | Canadian Dredge & Dock Company - Canada | 1946 | 1972 |
|