Owner | Manager | From | Until | Zenith Transit Company - Duluth, Minnesota, USA | A.B. Wolvin - USA | 1897/08 | 1900/02 |
American Steamship Company - Duluth, Minnesota, USA | A.B. Wolvin - USA | 1900/02 | 1901/02 |
Pittsburgh Steamship Company - Duluth, Minnesota, United States | A.B. Wolvin - USA | 1901/02 | 1927/04/26 |
Empire Steamship Company - Cleveland, Ohio, USA | G.A. Tomlinson - USA | 1927/04/26 | 1929/01 |
Sumatra Steamship Company - Cleveland, Ohio, USA | | 1929/01 | 1954/02 |
Tomlinson Fleet Corporation - Cleveland, Ohio, USA | | 1954/02 | 1961/01 |
Law Quarries Transportation Ltd. - Port Colborne, Ontario, Canada | N.J. Reoch - Canada | 1961/01 | 1967/01 |
Law Quarries Transportation Ltd. - Port Colborne, Ontario, Canada | Bayswater Shipping Ltd. - Brockville, Ontario, Canada | 1967/01 | 1967/12 |
|
Fleet | From | Until | United States Steel Corporation | 1901/02 | 1927/04/26 |
R.E. Law Crushed Stone Company - Port Colborne, Ontario, Canada | 1961/01 | 1968 |
|