| No. | Ship Name | Ship Type | Shipyard | Date of Built |
| 1 | New Grace | Asphalt/Bitumen Tanker, 5,910 tons | Sanuki Shipbuilding & Iron Works, Mitoyo | 2008 - 07 |
| 2 | New Horizon | Asphalt/Bitumen Tanker, 3,736 tons | Miura Zosensho | 2017 - 12 |
| 3 | Seitoku Maru | Asphalt/Bitumen Tanker, 1,403 tons | Nakatani Shipyard, Etajima | 2015 - 06 |
| 4 | Izumi Maru | LPG Tanker, 937 cbm | Nakatani Shipyard, Etajima | 2000 - 11 |
| 5 | Izumi Maru No. 3 | LPG Tanker, 1,779 cbm | Maehata Shipbuilding, Sasebo | 2021 - 08 |
| 6 | Izumi Maru | LPG Tanker, 1,533 cbm | Maehata Shipbuilding, Sasebo | 2010 - 10 |
| 7 | Izumi Maru No. 6 | LPG Tanker, 1,767 cbm | Miura Zosensho | 2024 - 06 |
| 8 | Hemisphere | LPG Tanker, 3,446 cbm | Shitanoe Shipbuilding | 2014 - 02 |
| 9 | Gas Elegance | LPG Tanker, 3,448 cbm | Kitanihon Shipbuilding | 2014 - 05 |
| 10 | Izumi Maru No. 28 | LPG Tanker, 1,418 cbm | Miura Zosensho | 2016 - 11 |
| 11 | Kosei Maru | LPG Tanker, 1,414 cbm | Miura Zosensho | 2016 - 10 |
| 12 | Hourin Maru No. 1 | LPG Tanker, 1,779 cbm | Maehata Shipbuilding, Sasebo | 2019 - 10 |
| 13 | Helle | CO2 Tanker, 1,240 cbm | Frisian Shipyard, Harlingen | 1999 - 12 |
| 14 | Froya | CO2 Tanker | Bodewes Shipyard | 2005 - 09 |
| 15 | Embla | CO2 Tanker | Bodewes Shipyard | 2005 - 01 |
| 16 | Gerda | CO2 Tanker, | Bodewes Shipyard | 2004 - 02 |
| 17 | Green Meridian | General Cargo Ship, 13,529 tons | Shin Kurushima Dockyard | 2024 - 08 |