| PETROSALES HK CO., LIMITED | | Live |
| PETROSERVE LIMITED | Private company limited by shares | Live |
| PETROSIN LIMITED | Private company limited by shares | Live |
| PETROSINO HK LIMITED | Private company limited by shares | Live |
| PETROSOM INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| PETROSOURCING UK LIMITED | Private company limited by shares | Live |
| PETROSUMIT (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| PETROSUN LIMITED | Private company limited by shares | Live |
| PETROSUPPLY LIMITED | Private company limited by shares | Dissolved |