| Owner | Manager | From | Until | | Mont Louis Steamship Company - Montreal, Quebec, Canada | Hall Corporation of Canada - Canada | 1927/08 | 1934/01 |
| Hall Corporation of Canada - Canada | | 1934/01 | 1954/01 |
| Colonial Steamships Ltd. - Port Colborne, Ontario | | 1954/01 | 1959/01 |
| Scott Misener Steamships Ltd. - Port Colborne, Ontario, Canada | | 1959/01 | 1961/01 |
| A. Newman & Company - Port Dalhousie, Ontario, Canada | | 1961/01 | 1963/12 |
|
| Fleet | From | Until | | Hall Corporation of Canada - Toronto, Ontario | 1934/01 | 1954/01 |
| Colonial Steamships Ltd. - Port Colborne, Ontario | 1954/01 | 1959/01 |
| Scott Misener Steamships Ltd. - Port Colborne, Ontario | 1959/01 | 1961/01 |
|