| Owner | Manager | From | Until | | Canadian General Electric Company - Montreal, Quebec, Canada | Canada Steamship Lines - Montreal, Quebec, Canada | 1961 | 1963 |
| Canada Steamship Lines - Montreal, Quebec, Canada | | 1963 | 1976 |
| Power Corporation of Canada | Canada Steamship Lines - Canada | 1976 | 1981 |
| Jensen Shipping Ltd. - Montreal, Quebec, Canada | | 1981 | 1986 |
| Greyhound Leasing & Financial of Canada Ltd. | Woodlands Marine Inc. - Thunder Bay, Ontario, Canada | 1986 | 1989 |
| International Capital Equipment of Canada Ltd. | | 1989 | 1996 |
| Woodlands Ltd. | | 1996 | 1998 |
| Worldwide Quality Shipmanagement | | 1998 | 2000 |
| McKeil Marine Ltd. - Hamilton, Ontario, Canada | | 2000 | 2003 |
| Desgagnes Transports Inc. - Quebec City, Canada | | 2003 | 2005 |
|
| Fleet | From | Until | | Canada Steamship Lines - Canada | 1961/08 | 1981 |
| Jensen Shipping Ltd. - Canada | 1981 | 1986 |
| Woodlands Marine Inc. - Thunder Bay, Ontario, Canada | 1986/03 | 1989 |
| McKeil Marine Ltd. - Hamilton, Ontario | 2000 | 2003 |
| Desgagnes Transports Inc. - Quebec City, Quebec | 2003 | 2005 |
|