| Owner | Manager | From | Until | | Welsh Ore Carriers Ltd. - Newport, Wales | | 1977/03 | 1977/12 |
| Welsh Overseas Freighters Ltd. - Newport, Wales | | 1977/12 | 1982 |
| London & Overseas Freighters Ltd. - England | | 1982 | 1983 |
| Rosario Shipping & Trading SA | | 1983 | 1992 |
| Audacious Shipping Company SA | Pyrsos Managing Company | 1992 | 2002/04 |
|
| Fleet | From | Until | | Welsh Overseas Freighters Ltd. - Newport, Wales, UK | 1977/12 | 1982 |
| London & Overseas Freighters Ltd. - London, England | 1982 | 1983 |
|