| Petite Karb Hong Kong Limited | Private company limited by shares | Live |
| KARBALA LIMITED | Private company limited by shares | Dissolved |
| KARBALL HOLDING GROUP LIMITED | | Live |
| KARBASE LIMITED | Private company limited by shares | Dissolved |
| KARBE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KARBERG LIMITED | Private company limited by shares | Dissolved |
| KARBERG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KARBERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KARBEST INVESTMENT LIMITED | Private company limited by shares | Live |
| KARBINI LIMITED | | Live |
| KARBLE LIMITED | Private company limited by shares | Live |
| 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 |
| KARBRIDGE LIMITED | Private company limited by shares | Dissolved |
| KARBRIGHT INVESTMENT LIMITED | Private company limited by shares | Live |
| Karby Garman International Limited | Private company limited by shares | Live |