| CarbonZero Technology Limited | | Live |
| HONG KONG CARBOO INT'L FOOD LIMITED | Private company limited by shares | Dissolved |
| Carboot Technology (HK) Co., Limited | Private company limited by shares | Live |
| FRENCH LIS CARBORN LIMITED | Private company limited by shares | Dissolved |
| CARBOSS INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CarboSun Limited | Private company limited by shares | Live |
| HK Carbotang Chemicals Co., Limited | Private company limited by shares | Live |
| CarboTrade Limited | Private company limited by shares | Live |
| CARBOW INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CARBOW JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| CARBOW SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CARBOY COMPANY LIMITED | Private company limited by shares | Live |
| CARBOYS LIMITED | Private company limited by shares | Live |
| HOI KONG CAR-BREAKING COMPONENTS CO., LIMITED | Private company limited by shares | Dissolved |
| CARBROOK SHIPPING LIMITED | Private company limited by shares | Dissolved |
| CARBUNCLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CARBURES ASIA LIMITED | Private company limited by shares | Live |
| Carby Limited | Private company limited by shares | Dissolved |