| Owner | Manager | From | Until | | Paterson Steamships Ltd. - Fort William, Ontario | | 1927 | 1943 |
| U.S. Maritime Commission | | 1943 | 1947 |
| Colonial Steamships Ltd. - Port Colbourne, Ontario | | 1947 | 1959 |
| Scott Misener Steamships Ltd. - Port Colbourne, Ontario | | 1959 | 1961 |
| Crawford Metals Ltd. | | 1961 | Scrapped |
|
| Fleet | From | Until | | Paterson Steamships Ltd. - Fort William, Ontario | 1927/06 | 1940 |
| United States Maritime Administration | 1940 | 1945 |
| Colonial Steamships Ltd. - Port Colborne, Ontario | 1947 | 1959 |
|