| | Owner | Manager | From | Until |  | Canadian International Paper  Company - Canada |  | 1948 | 1979 |  | Bishop Marine Construction - Canada |  | 1979 | 1981 |  | Great Lakes Marine Contracting Ltd. - Port Dover, Ontario |  | 1981 | 1993 |  | Lower Lakes Towing Ltd. - Canada |  | 1993 | 1996 |  | Nadro Marine Services - Port Dover, Ontario, Canada |  | 1996 | 2018 |  | McKeil Work Boats Inc. - Hamilton, Ontario, Canada |  | 2018 |  | 
 | | Fleet | From | Until |  | Canadian International Paper Co. - Canada |  | 1979 |  | Bishop Marine Construction Co. - Gananoque, Ontario |  | 1981 |  | Great Lakes Marine Contracting Inc. - Port Dover, Ontario, Canada |  | 1994 |  | Lower Lakes Towing Ltd. - Port Dover, Ontario, Canada |  | 1996 |  | Nadro Marine Services - Port Dover, Ontario |  | 2018 |  | McKeil Marine Ltd. - Hamilton, Ontario | 2018 |  | 
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