| PETROM LIMITED | Private company limited by shares | Live |
| CHINA PETRO-MACHINERY TRADING LIMITED | Private company limited by shares | Live |
| Petromag Technology Limited | Private company limited by shares | Live |
| PetroMamut Investments Asia Limited | Private company limited by shares | Live |
| PETROMARINE LIMITED | Private company limited by shares | Dissolved |
| PETROMATERIALS AMERICA LIMITED | Private company limited by shares | Live |
| PetroMax Limited | Private company limited by shares | Live |
| PETROMETALS AG LIMITED | Private company limited by shares | Dissolved |
| PETROMEX LIMITED | Private company limited by shares | Dissolved |
| Petromin Resources (Asia) Limited | Private company limited by shares | Dissolved |
| Petromin Resources (China) Limited | Private company limited by shares | Dissolved |
| PETROMINE PRC CO., LIMITED | Private company limited by shares | Live |
| PETROMINE ASIA CO., LIMITED | Private company limited by shares | Live |
| Petromine Group Limited | Private company limited by shares | Live |
| PETROMON INTERNATIONAL FINANCIAL INVESTMENT LIMITED | Private company limited by shares | Live |
| PETROMONACO LIMITED | Private company limited by shares | Dissolved |