| Owner | Manager | From | Until | | Franklin Steamship Company - Chicago, Illinois | H.K. Oaks - Cleveland, Ohio | 1924/10/07 | 1930 |
| Bethlehem Transportation Corporation | | 1930 | 1940 |
| M.A. Hanna Company | | 1940 | 1944 |
| Hanna Ore Company | | 1944 | 1974 |
| Hindman Transportation Company Ltd. - Owen Sound, Ontario | | 1974 | 1978 |
| Quebec & Ontario Transportation Company Ltd. - Thorold, Ontario. | | 1978 | 1984 |
| Transport Desgagnes Inc. - Montreal, Quebec | | 1984 | 1985 |
| International Marine Salvage Ltd. | | 1985 | Scrapped |
|
| Fleet | From | Until | | Bethlehem Transportation Corporation - Cleveland, Ohio | 1930 | 1940 |
| Hanna Mining Company - Cleveland, Ohio | 1940 | 1974 |
| Hindman Transportation Company Ltd. - Owen Sound, Ontario | 1974 | 1978 |
| Quebec & Ontario Transportation Company - Thorold, Ontario | 1978 | 1984 |
| Desgagnes Transports Inc. - Quebec City, Quebec | 1984 | 1985 |
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