| SEJU LIMITED | Private company limited by shares | Dissolved |
| SEJUK LIMITED | Private company limited by shares | Dissolved |
| SEJUNG SHIPPING (H.K.) CO., LIMITED | Private company limited by shares | Live |
| SEJUNG GROUP HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| SEJUNG HONG KONG LIMITED | Private company limited by shares | Live |
| SEJUNG IND. CO., LIMITED | Private company limited by shares | Live |
| SE-JUNG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SEJUNG STEEL COMPANY LIMITED | Private company limited by shares | Dissolved |