| Owner | Manager | From | Until | | Transatlantic Bulk Carriers Inc - Liberia | | 1959 | 1976 |
| Hall Corporation Shipping Ltd. - Montreal, Quebec, Canada | | 1976 | 1980 |
| Halco Inc. - Canada | | 1980 | 1988/03 |
| N.M. Paterson & Sons - Thunder Bay, Ontario, Canada | | 1988/03 | 2002 |
| Canada Steamship Lines - Montreal, Quebec, Canada | | 2002 | 2019/08 |
|
| Fleet | From | Until | | Transatlantic Bulk Carriers Inc. - Monrovia, Liberia | 1959 | 1976 |
| Hall Corporation (Shipping) 1969 Ltd. - Canada | 1976 | 1980 |
| Hall Corporation of Canada - Toronto, Ontario | 1980 | 1988/03 |
| N.M. Paterson & Sons Ltd. - Canada | 1988/03 | 2002 |
| Canada Steamship Lines - Canada | 2002 | 2019/06 |
|