Owner | Manager | From | Until |
Scott Misener Steamships Ltd. - Port Colborne, Ontario, Canada | | 1961 | 1978 |
Misener Transportation Ltd. - St. Catharines, Ontario | | 1978 | 1991 |
Misener Transportation Ltd. - St. Catharines, Ontario | Great Lakes Bulk Carriers - Canada | 1991 | 1994 |
Algoma Central Marine - Canada | Seaway Bulk Carriers - Canada | 1994 | 2000 |
Seaway Marine Transport - St. Catharines, Ontario | | 2000 | 2002/05 |