| Season |
Events |
| 1967 January |
Established Shokuyu Tanker Co., Ltd. |
| 2004 November |
Established SU Navigation Pte. Ltd. with S$2,000,000 in capital (as a joint venture of Shokuyu Tanker Co., Ltd. and Uyeno Transtech Ltd. mutually holding 50% of shares) |
| 2009 January |
SU Head office relocated to the present address |
| 2010 March |
Wholly-owned by Shokuyu Tanker Co., Ltd. acquiring 50% of the shares from Uyeno Transtech Ltd. |
| 2019 April | Increased the capital to S$6,000,000 |
| 2019 June | Became Ship Owner for the first time since establishment by purchasing M/T Sun Diana |
