| HOI LAY PETROLEUM COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WAH FU PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| SIN HUA PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Y. S. PETROLEUM COMPANY, LIMITED | Private company limited by shares | Dissolved |
| AGI PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| HM PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| SIK KEE PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| BNA PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| S & B PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN SUN PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| IEI PETROLEUM, LIMITED | Private company limited by shares | Dissolved |
| TAK KEE PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| YIK PO PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| LAK SUN OIL & PETROLEUM CO. LIMITED | Private company limited by shares | Live |
| SCT PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO KEE PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| HIP WO PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| SUN TAT PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| E & J (PETROLEUM) COMPANY LIMITED | Private company limited by shares | Live |
| LIK PO PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| XIN HUA PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| WP PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| API Petroleum HK Limited | Private company limited by shares | Dissolved |
| HUA HAI PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| TF Petroleum Limited | Private company limited by shares | Live |
| OAK BAY PETROLEUM LIMITED | Private company limited by shares | Live |
| AM Petroleum Limited | Private company limited by shares | Live |
| YEE HOP PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| GCC PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| WO KEE PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| Petroleum 2.0 Limited | Private company limited by shares | Live |
| LIK WAI PETROLEUM CO. LIMITED | Private company limited by shares | Live |
| UAQ Petroleum Limited | Private company limited by shares | Live |
| BE PETROLEUM LIMITED | Private company limited by shares | Live |
| ARM Petroleum Limited | Private company limited by shares | Live |
| SKS Petroleum Limited | Private company limited by shares | Live |
| TMC PETROLEUM LIMITED | Private company limited by shares | Live |
| HOI FU PETROLEUM CO. LIMITED | Private company limited by shares | Live |
| SPT Petroleum Limited | Private company limited by shares | Live |
| ON KEE PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| BQ Petroleum HK Company Limited | Private company limited by shares | Live |
| HO TIN PETROLEUM LIMITED | Private company limited by shares | Live |
| Wen Petroleum Limited | Private company limited by shares | Live |
| LDP PETROLEUM CO. LIMITED | Private company limited by shares | Live |
| Ark Petroleum Limited | | Live |
| TOP RAY PETROLEUM LIMITED | | Live |
| NS Petroleum Company Limited | | Live |
| ACIC PETROLEUM LIMITED | Private company limited by shares | Live |
| ASIA AFRICA PETROLEUM ONE LIMITED | Private company limited by shares | Dissolved |
| HK AISIDUN PETROLEUM NATURAL GAS HOLDING GROUP LIMITED | Private company limited by shares | Live |
| ALFA PETROLEUM (HK) LIMITED | Private company limited by shares | Live |
| America Keston Petroleum Group Co., Limited | Private company limited by shares | Live |
| AMROCK Petroleum Limited | Private company limited by shares | Live |
| GERMANY AOBIAO INTERNATIONAL PETROLEUM GROUP LIMITED | Private company limited by shares | Live |
| PETROLEUM ASIA LIMITED | Private company limited by shares | Dissolved |
| Best Asia Petroleum Limited | Private company limited by shares | Live |
| CHINA PETROLEUM LONG CHAMP ASIA INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| FIFTH PETROLEUM ASIA LIMITED | Private company limited by shares | Live |
| PACIFIC ASIA PETROLEUM, LIMITED | Private company limited by shares | Live |
| SOUTH ASIA PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| SOUTH ASIA PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| TEXAS PETROLEUM (ASIA) INVESTMENT LIMITED | Private company limited by shares | Live |
| ASIAN PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| ASSOCIATED PETROLEUM COMPANY, LIMITED | Private company limited by shares | Dissolved |
| ATLANTIC PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| ATLANTIC PETROLEUM GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| Auda Petroleum Limited | Private company limited by shares | Live |
| BAIKANG PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| GERMANY BENCHI . OCCIDENT ALLY PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CHINA PETROLEUM BIO-ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| BLACK MOON PETROLEUM LIMITED | | Live |
| GERMANY BODE INT'L PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL PETROLEUM (BOHAI SEA) LIMITED | Private company limited by shares | Dissolved |
| USA BOLTON PETROLEUM CORP (HONGKONG) LIMITED | Private company limited by shares | Live |
| Bosun Petroleum Equipment Co., Limited | Private company limited by shares | Live |
| CABALA PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CANKEY PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CAREALL PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| CARRIE PETROLEUM COMPANY LIMITED | | Live |
| CENTRAL PETROLEUM LIMITED | Private company limited by shares | Live |
| CENTRAL ASIA PETROLEUM INVESTMENT LIMITED | Private company limited by shares | Live |
| Central South Petroleum Limited | | Live |
| CHAMART PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CHANGYOU PETROLEUM EQUIPMENT LIMITED | Private company limited by shares | Live |
| TOP CHASE PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA NAN HAI PETROLEUM & CHEMICALS GROUP (HK) COMPANY LIMITED | Private company limited by shares | Live |
| SOUTH CHINA PETROLEUM & CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| CHUEN HING PETROLEUM & CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHUEN HING PETROLEUM & CHEMICALS (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| ORIENTAL DRAGON PETROLEUM AND CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| QUANTA PETROLEUM CHEMICALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| S.O.E. PETROLEUM & CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| TAIMIN PETROLEUM & CHEMICALS LIMITED | Private company limited by shares | Live |
| TUNG FU PETROLEUM & CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| TAI TUNG PETROLEUM & CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| CHINA PETROLEUM CHEMISTRY LIMITED | Private company limited by shares | Dissolved |
| CHENYU PETROLEUM EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| TAK CHEONG LUNG PETROLEUM PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| CHEUK HANG PETROLEUM LIMITED | Private company limited by shares | Live |
| CHINA PETROLEUM COMPANY, LIMITED | Private company limited by shares | Dissolved |