| Fleet | From | Until |
| Merchants Mutual Line - Toronto, Ontario | | 1913 |
| Canadian Maritime Company - Montreal, Quebec | | 1922 |
| Interlake Steam Navigation Company - Montreal, Quebec | | 1927/01/15 |
| Manseau Shipyard - Sorel, Quebec | | 1939 |
| Marine Industries Ltd. - Sorel, Quebec | | 1950 |
| Hall Corporation of Canada - Toronto, Ontario | 1947/11 | 1961 |
| Coastlake Tankers Ltd. - Montreal, Quebec | | 1964 |
| Canadian Sealakers - Montreal, Quebec | | 1968 |
| Richelieu Dredging Corp. Inc. - Quebec, Canada | | 1985 |
| Canada Steamship Lines - Canada | 2002/12 | |