| Conoco Company Limited | Private company limited by shares | Live |
| HK ConocoPhillips Industrial Co., Limited | Private company limited by shares | Dissolved |
| Conod Medical (HK) Co., Limited | Private company limited by shares | Live |
| Conod Medical (Hongkong) Co., Limited | Private company limited by shares | Live |
| CONOD MEDICAL CO., LIMITED | Private company limited by shares | Live |
| CONOFORD LIMITED | Private company limited by shares | Dissolved |
| CONOGL INTERNATIONAL SHARE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CONOLS PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Conom International Trading Co., Limited | Private company limited by shares | Live |
| CONOMAX LIMITED | Private company limited by shares | Dissolved |
| E'SEMPRE CONOSCERE MEGLIO CO., LIMITED | Private company limited by shares | Live |
| CONOSUR HK LIMITED | Private company limited by shares | Live |
| CONOVA MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Co-Novation Limited | Private company limited by shares | Live |