| Owner | Manager | From | Until | | Gilchrist Transportation Company - Cleveland, Ohio, USA | | 1906/04 | 1913 |
| Lackawanna Steamship Company - Cleveland, Ohio, USA | Pickands Mather & Company - USA | 1913 | 1913 |
| Interlake Steamship Company - Cleveland, Ohio, USA | Pickands Mather & Company - USA | 1913 | 1959 |
| Kinsman Transit Company - Cleveland, Ohio | | 1959 | 1964 |
| Kinsman Marine Transit Company - Cleveland, Ohio, USA | | 1964 | 1970 |
| Canadian Dredge & Dock Company Ltd. - Canada | | 1970 | 1973 |
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| Fleet | From | Until | | Gilchrist Transportation Company - Cleveland, Ohio | 1906/04/13 | 1913 |
| Interlake Steamship Company - Cleveland, Ohio | 1913 | 1959 |
| Kinsman Transit Co. - Cleveland, Ohio, USA | 1959 | 1964 |
| Kinsman Marine Transit Company - Cleveland, Ohio | 1964 | 1970 |
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