| Owner | Manager | From | Until | | Robin International Towing - Harvey, Louisiana, USA | | 1965 | 1980 |
| Crescent Towing & Salvage - USA | | 1980 | 1991 |
| Sea Containers Inc. - USA | | 1991 | 1997 |
| Bay Transportation Company - Tampa, Florida, USA | | 1997 | 1998 |
| Hvide Marine - USA | | 1998 | 1999 |
| Portland Tugboat Company - Portland, Maine, USA | | 1999 | 2001 |
| McAllister Towing & Transportation - New York, NY, USA | | 2001 | 2015 |
| Great Lakes Towing Company - Cleveland, Ohio | | 2015 | 2017 |
| Ryba Marine - Cheboygan, Michigan | | 2017 | |
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