Owner | Manager | From | Until |
Shakespear Shipping Company Ltd. - Wales | | 1948 | 1952 |
South American Saint Line Ltd. - Wales | South American Saint Line (Management) Ltd. & King Line Ltd. - Wales | 1952 | 1965 |
China Navigation Company Ltd. - Hong Kong | John Swire & Sons Ltd. - England | 1965 | 1971 |
New Asia Steamship Company S.A. - Panama | | 1971 | 1975 |
Prosperity Steamship Company S.A. - Panama | | 1975 | 1978 |