| Owner | Manager | From | Until | | Milwaukee Steamship Company, Inc. | A.H. Hagwood | 1906/08 | 1911 |
| Commonwealth Steamship Company - Cleveland, Ohio | A.H. Hagwood | 1911 | 1914 |
| Scott Steamship Company - Cleveland, Ohio | M.A. Hanna & Company | 1914 | 1918/10/18 |
| Calumet Transportation Company - Cleveland, Ohio | | 1918/10/18 | 1930 |
| Producers Steamship Company - Cleveland, Ohio | | 1931 | 1936 |
| National Steel Corporation - Cleveland, Ohio | | 1936 | 1953 |
| Midwest Steamship Company - Detroit, Michigan | T.H. Browning | 1953 | 1957 |
| Browning Steamship Lines Inc. - Detroit, Michigan | | 1957 | 1962 |
| Marine Salvage Ltd. - Port Colborne, Ontario | | 1962 | 1962 |
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| Fleet | From | Until | | Commonwealth Steamship Company - Cleveland, Ohio | 1911 | 1914 |
| Scott Steamship Company - Cleveland, Ohio | 1914 | 1918/10/18 |
| Calumet Transportation Company - Cleveland, Ohio | 1918/10/18 | 1930 |
| Producers Steamship Company - Cleveland, Ohio | 1930 | 1937 |
| National Steel Corporation - Cleveland, Ohio | 1937 | 1953 |
| Midwest Steamship Company - Detroit, Michigan | 1953 | 1957 |
| Brown Steamship Company | 1957 | 1962 |
|