| K-LONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| KLONG IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| KLONG TECH INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Klong Technology Co., Limited | Private company limited by shares | Live |
| K-LONG DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| K-long Kinetic (HK) Co. Limited | Private company limited by shares | Dissolved |
| HONGKONG KLONG COMPANY LIMITED | Private company limited by shares | Live |
| Klong Industrial Limited | Private company limited by shares | Dissolved |
| KLONG INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| K-LONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KLONG PACKAGING LIMITED | | Live |