| KARBO LIMITED | Private company limited by shares | Live |
| KARBO ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| KARBO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KARBOLY (HK) LIMITED | Private company limited by shares | Live |
| KARBON COMPANY LIMITED | Private company limited by shares | Dissolved |
| KARBON LIMITED | Private company limited by shares | Dissolved |
| KARBON HK LIMITED | | Live |
| Zenith Karbon CO., Limited | Private company limited by shares | Live |
| Karbon Composites & Technology Co., Limited | Private company limited by shares | Live |
| ENGINEERED KARBON SPORTS LIMITED | Private company limited by shares | Dissolved |
| Karbon Investment Limited | Private company limited by shares | Live |
| KARBON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| KARBON UNITED HK LIMITED | | Live |
| ZERO KARBON INNOVATION LIMITED | Private company limited by shares | Live |
| Karbonder (HK) Co., Limited | Private company limited by shares | Live |
| KARBONDER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KARBONMOTO LIMITED | Private company limited by shares | Live |
| KARBONY INVESTMENT LIMITED | Private company limited by shares | Live |
| KARBOW (H.K.) LIMITED | Private company limited by shares | Dissolved |