| HING LEE PETROLEUM PRODUCT LIMITED | Private company limited by shares | Dissolved |
| Prolific Petroleum Limited | Private company limited by shares | Dissolved |
| GERMANY PUSI KAIMAN PETROLEUM CHEMICAL LIMITED | Private company limited by shares | Live |
| GERMANY PUTIN PETROLEUM LIMITED | Private company limited by shares | Live |
| Quality Petroleum Machinery Co., Limited | Private company limited by shares | Live |
| RESOURCE PETROLEUM & PETROCHEMICALS (HK) LIMITED | Private company limited by shares | Live |
| PETROLEUM RESOURCES LIMITED | Private company limited by shares | Dissolved |
| RICHWELL PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| Rongyi Petroleum And Natural Gas Co., Limited | Private company limited by shares | Live |
| Germany Sadiober Petroleum (Group) Limited | Private company limited by shares | Live |
| SAHARA PETROLEUM & RESOURCES LIMITED | Private company limited by shares | Dissolved |
| GERMANY SAIMALI INT'L PETROLEUM GROUP LIMITED | Private company limited by shares | Live |
| SanStone Petroleum Company Limited | Private company limited by shares | Live |
| SCAN-JB PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEANERGY PETROLEUM (HK) CO., LIMITED | Private company limited by shares | Live |
| CHINA TIANHE PETROLEUM SETTLEMENT CO., LIMITED | Private company limited by shares | Live |
| Hua Shan Petroleum Company Limited | Private company limited by shares | Live |
| NAM SHAN PETROLEUM TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SHANDONG LUHAI PETROLEUM EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| China Sonangol (Shanghai) Petroleum Company Limited | Private company limited by shares | Live |
| MOBIL (SHANGHAI) PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CHINA PETROLEUM GROUP SHARE LIMITED | Private company limited by shares | Dissolved |
| ENGLAND KEPAI PETROLEUM SHARE CO., LIMITED | Private company limited by shares | Live |
| SHENG LIN PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| He Sheng Petroleum Company Limited | | Live |
| China Shenggang petroleum group Limited | | Live |
| HK SHENGLIN PETROLEUM MACHINERY TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| HING SHING PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| SHING HING PETROLEUM AND CHEMICALS LIMITED | Private company limited by shares | Live |
| TUNG SHING CHINESE PETROLEUM CO LIMITED | Private company limited by shares | Dissolved |
| SHORELAND PETROLEUM ENGINEERS LIMITED | Private company limited by shares | Dissolved |
| SIGMA PETROLEUM CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SILVER POWER PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CHINA CHIU SING PETROLEUM HOLDING LIMITED | Private company limited by shares | Live |
| SINOASIS PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| SINOBO PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| SINO-RUNNING GROUP (HK) PETROLEUM & CHEMICAL LIMITED | Private company limited by shares | Live |
| MID SOUTH (PETROLEUM) LIMITED | Private company limited by shares | Dissolved |
| SOUTH SEA PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| SOUTHERN PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| SOUTHWEST PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| SEA SPLENDOR PETROLEUM LIMITED | Private company limited by shares | Live |
| STANDARD PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WEALTH STEP (CHINA) PETROLEUM LIMITED | Private company limited by shares | Live |
| CHINA OCEAN PETROLEUM GROUP STOCK LIMITED | Private company limited by shares | Live |
| CHINA BIG STONE PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Strategic Petroleum Company Limited | Private company limited by shares | Live |
| SUNRISE PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| CHINA PETROLEUM EQUIPMENT SUPPLIERS' ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| PESCOL ( PETROLEUM EQUIPMENT SUPPLY ) LIMITED | Private company limited by shares | Dissolved |
| SURE WELL PETROLEUM LIMITED | Private company limited by shares | Live |
| TAKLA PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW TARGET PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| TECFORD PETROLEUM LIMITED | Private company limited by shares | Live |
| TECHNOCRAT PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| China Petroleum Technology Service Alliance Limited | Private company limited by shares | Live |
| China Long Run Petroleum Technology Limited | Private company limited by shares | Live |
| GERMANY LU XUN PETROLEUM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GERMANY AOPU PETROLEUM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Germany KuLi Petroleum Technology Co., Limited | Private company limited by shares | Live |
| GERMANY LONGLING PETROLEUM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Germany Odeum Petroleum Technology Group Limited | Private company limited by shares | Live |
| GERMANY JIN DE WANG PETROLEUM TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Luhai Petroleum Technology (HK) Co., Limited | Private company limited by shares | Live |
| MARINE & PETROLEUM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TOPEC PETROLEUM TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHENZHEN E-ENERGY PETROLEUM TECHNOLOGY&EQUIPMENT LIMITED | Private company limited by shares | Live |
| TERRABO PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tethys Petroleum Limited | Private company limited by shares | Dissolved |
| TIME PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| TINK PETROLEUM CORPORATION LIMITED | Private company limited by shares | Dissolved |
| CENTRAL PETROLEUM TRADING LIMITED | Private company limited by shares | Dissolved |
| CHINA SEA PETROLEUM INT'L TRADING COMPANY LIMITED | Private company limited by shares | Live |
| DAQING SUNSHINE PETROLEUM TRADING LIMITED | Private company limited by shares | Live |
| TEFO PETROLEUM TRADING LIMITED | Private company limited by shares | Dissolved |
| TUOYUAN PETROLEUM EQUIPMENT TRADING CO., LIMITED | Private company limited by shares | Live |
| MING KEE PETROLEUM TRANSPORT LIMITED | Private company limited by shares | Live |
| RSR PETROLEUM (TUBAN) LIMITED | Private company limited by shares | Live |
| TUNG ON PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Twilight Petroleum Corporation Limited | Private company limited by shares | Dissolved |
| UNITED AFRICA PETROLEUM LIMITED | Private company limited by shares | Live |
| CHINA GOLD UNITED PETROLEUM (GROUP) LIMITED | Private company limited by shares | Dissolved |
| CHINA UNITED PETROLEUM (HOLDING) COMPANY LIMITED | Private company limited by shares | Live |
| VECTRA PETROLEUM LIMITED | Private company limited by shares | Live |
| VICTORIA PETROLEUM LIMITED | Private company limited by shares | Live |
| VICTORY PETROLEUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| VICTORY PETROLEUM LIMITED | Private company limited by shares | Live |
| Vikont Petroleum Limited | Private company limited by shares | Live |
| Vishab Petroleum Limited | Private company limited by shares | Dissolved |
| WAHSAN PETROLEUM HOLDING LIMITED | Private company limited by shares | Live |
| WANMI PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| WAYCREST PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| WEIHONG PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| WEIQIXIN PETROLEUM (HONGKONG) CORPORATION CO., LIMITED | Private company limited by shares | Live |
| WELL ON PETROLEUM (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| WIDELY PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| Ta Wing Petroleum Company Limited | Private company limited by shares | Live |
| WING FAT PETROLEUM LIMITED | Private company limited by shares | Dissolved |
| WING CHUEN PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| GERMANY WINNER PETROLEUM GROUP LIMITED | Private company limited by shares | Dissolved |