| CARBON10B X LIMITED | Private company limited by shares | Live |
| Carbon2020 Limited | Private company limited by shares | Live |
| CARBONAL CO., LIMITED | Private company limited by shares | Live |
| CARBONARA COMPANY LIMITED | Private company limited by shares | Dissolved |
| CARBONAS LIMITED | Private company limited by shares | Dissolved |
| Carbonation Limited -The- | Private company limited by shares | Live |
| GREATER GLOBAL CARBONATION LIMITED | Private company limited by shares | Live |
| CarbonBikeKits Sports Limited | Private company limited by shares | Live |
| CARBONBLOCK CO. LIMITED | | Live |
| CarbonBlue Innovations Limited | Private company limited by shares | Live |
| CARBONCODE LIMITED | Private company limited by shares | Live |
| CARBONDALE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SDA CARBONERALS CO., LIMITED | | Live |
| General Carbones Limited | Private company limited by shares | Live |
| Topwell Carbonfiber Composite Technology Co., Limited | Private company limited by shares | Live |
| CARBONFLO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CARBONFLO PACIFIC LIMITED | Private company limited by shares | Dissolved |
| HENGQIAO CARBON(HONGKONG)CO., LIMITED | Private company limited by shares | Live |
| Carbonician Co., Limited | Private company limited by shares | Live |
| CARBONKING CO., LIMITED | Private company limited by shares | Live |
| CAS Carbonless Solution Limited | Private company limited by shares | Dissolved |
| CARBONMASTERS LIMITED | Private company limited by shares | Dissolved |
| BEYOND METALS AND CARBONS COMPANY LIMITED | Private company limited by shares | Live |
| Caravel Carbons Limited | Private company limited by shares | Live |
| HS CARBONS CO., LIMITED | Private company limited by shares | Live |
| Ningxia Hengtai Carbons Co., Limited | Private company limited by shares | Live |
| Dragon Carbons Limited | Private company limited by shares | Live |
| Fly Sky Carbons Group Co., Limited | Private company limited by shares | Live |
| FLY CARBONS GROUP CO., LIMITED | Private company limited by shares | Live |
| NingXia Jiaxin Carbons Co., Limited | Private company limited by shares | Live |
| SUNM CARBONS PVT LIMITED | Private company limited by shares | Live |
| Carbonsive Holding Limited | | Live |
| Carbonsports Co., Limited | Private company limited by shares | Live |
| CARBONSS TUNING CO., LIMITED | Private company limited by shares | Live |
| CARBONTEC MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| CARBONWATER ESTATES LIMITED | Private company limited by shares | Dissolved |
| CarbonX Global Limited | | Live |
| CARBONZERO CO., LIMITED | | Live |
| CarbonZero Technology Limited | | Live |