| Owner | Manager | From | Until | | Imperial Oil Ltd. - Toronto, Ontario, Canada | | 1948/04 | 1976 |
| Marine Salvage Ltd. - Port Colborne, Ontario, Canada | | 1976 | 1977 |
| Unknown Honduran interests | | 1977 | 1978 |
| Marine Salvage Ltd. - Port Colborne, Ontario, Canada | | 1979/02 | 1979/05 |
| Ship Repairs & Supplies Ltd. - Canada | | 1979/05 | 1979/11 |
| Johnstone Shipping Ltd. - Toronto, Ontario, Canada | | 1979/11 | 1981/07 |
|
| Fleet | From | Until | | Imperial Oil Ltd. - Toronto, Ontario | 1948/04 | 1976 |
| Johnstone Shipping Ltd. - Toronto, Canada | 1979/11 | 1981/07 |
|