| Vessel Name | Vessel Type | Owner Company | Shipyard | Date of Built |
| Helle | H2/CO2 Carrier, 1,265 cu.m. | Nippon Gas Line Co Ltd | Frisian Shyd. | 1999 - 12 |
| Froya | H2/CO2 Carrier, 1,800 cu.m. | Nippon Gas Line Co Ltd | Royal Bodewes Shipyard | 2005 - 10 |
| Embla | H2/CO2 Carrier, 1,800 cu.m. | Nippon Gas Line Co Ltd | Royal Bodewes Shipyard | 2005 - 01 |
| Gerda | H2/CO2 Carrier, 1,800 cu.m. | Nippon Gas Line Co Ltd | Royal Bodewes Shipyard | 2004 - 02 |
| Suiso Frontier | H2/CO2 Carrier, 1,287 cu.m. | HySTRA | Kawasaki HI Kobe | 2021 - 12 |