| PT OIL, LIMITED | Private company limited by shares | Live |
| WONG YUEN SHUN (EDIBLE OIL) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| KongHou (essential oil) Limited | Private company limited by shares | Live |
| CHINA OIL. (STOCK) GROUP KUNLUN LUBRICANTS CO., LIMITED | Private company limited by shares | Dissolved |
| MIDDLE EAST GROUP (OIL FIELD SUPPLIES) INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SAN HING (OIL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SYCOR OIL, LIMITED | Private company limited by shares | Live |
| OiLand Beauty Limited | | Live |
| OILAND DRILLING SERVICE LIMITED | Private company limited by shares | Live |
| OILANGELS LIMITED | Private company limited by shares | Live |
| Oilbook Limited | | Live |
| Oilbrite Limited | Private company limited by shares | Live |
| OILCAN CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| OILCAN CONSULTANTS LIMITED | Private company limited by shares | Live |
| OILCO ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| OILCO SUPPLY LIMITED | Private company limited by shares | Dissolved |
| OILCO TOOLS LIMITED | Private company limited by shares | Dissolved |
| OILDICTION LIMITED | Private company limited by shares | Live |
| OILERS LIMITED | Private company limited by shares | Dissolved |
| KOREA HOLA OILFAT INT'L (H.K) COMPANY LIMITED | Private company limited by shares | Dissolved |
| OILFIELD LIMITED | Private company limited by shares | Dissolved |
| OILFIELD LIMITED | Private company limited by shares | Live |
| DGR OILFIELD LIMITED | Private company limited by shares | Live |
| COMMERCIAL OILFIELD CONSULTANTS (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERPAC OILFIELD LIMITED | Private company limited by shares | Dissolved |
| PACIFIC OILFIELD LIMITED | Private company limited by shares | Dissolved |
| PREMIUM OILFIELD SOLUTIONS LIMITED | Private company limited by shares | Live |
| Poly Oilfield Service Company Limited | Private company limited by shares | Live |
| Lai Fei Te Oilfield Supply and Service Company Limited | Private company limited by shares | Live |
| Oilfield Solutions Limited | Private company limited by shares | Live |
| BetterTec Oilfield Solutions Limited | Private company limited by shares | Dissolved |
| KB OILFIELD SUPPLY COMPANY, LIMITED | Private company limited by shares | Dissolved |
| ABLM OILFIELD EQUIPMENT SUPPLY LIMITED | Private company limited by shares | Live |
| Premium Oilfield Technology Limited | Private company limited by shares | Live |
| Topland Oilfield Machinery Limited | Private company limited by shares | Live |
| TUBULAR OILFIELD SUPPLY CHINA LIMITED | Private company limited by shares | Dissolved |
| KUVER OILFIELDS SUPPLY LIMITED | Private company limited by shares | Live |
| OilfieldSide Limited | Private company limited by shares | Live |
| RAY OILFILED ENGINEERING SERVICE LIMITED | Private company limited by shares | Live Commenced dormancy on 25-Jan-2016 |
| HRLD Oil&Gas Group Limited | Private company limited by shares | Live |
| ROFF OIL&GAS LIMITED | Private company limited by shares | Live |
| Sinoenergy Oil&Gas Limited | Private company limited by shares | Live |
| China Oil&Gas Technology Service Limited | Private company limited by shares | Live |
| ROYAL OIL&GAZ CORPORATION LIMITED | | Live |
| OCEANEMED OIL&GAZ HONG KONG LIMITED | Private company limited by shares | Live |
| Star OilGlobal Limited | | Live |
| SHAOXING LIANG YUN OIL&GRAIN MACHINERY CO., LIMITED | Private company limited by shares | Live |
| OiLi (Asia) Limited | Private company limited by shares | Dissolved |
| OILID LIMITED | Private company limited by shares | Live |
| ITALY OILILOI INT'L FINERY LIMITED | Private company limited by shares | Dissolved |
| OILILY GROUP LIMITED | Private company limited by shares | Live |
| OILIMPEX LIMITED | Private company limited by shares | Live |
| Oilin (Hong Kong) Co., Limited | Private company limited by shares | Live |
| OILINKS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| OILINKS INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| OILIO INTERNATIONAL CORPORATION LIMITED | | Live |
| OILITEC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Oilklenze Holding Company Limited | Private company limited by shares | Live |
| OILLAND (HONG KONG) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OILLAND GROUP (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| OILLAND ENERGY SERVICES LIMITED | Private company limited by shares | Dissolved |
| Jiashan Wuzhou Oilless Bearing Co., Limited | Private company limited by shares | Live |
| OILLIECHIP LIMITED | Private company limited by shares | Live |
| OILLILY LIMITED | Private company limited by shares | Live |
| OILMAN GROUP LIMITED | Private company limited by shares | Live |
| OILMATE ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OILMEAL TRADE LIMITED | Private company limited by shares | Live |
| OILNET LIMITED | Private company limited by shares | Dissolved |
| OILO LIMITED | Private company limited by shares | Dissolved |
| OILONG INT'L GROUP (HK) LIMITED | Private company limited by shares | Dissolved |
| GERMANY OIL-P INT'L OIL GROUP LIMITED | Private company limited by shares | Live |
| OILPAMPSERVICE LIMITED | Private company limited by shares | Live |
| OILPATCH SALES LIMITED | Private company limited by shares | Dissolved |
| 96 OILS CO. LIMITED | Private company limited by shares | Dissolved |
| HOI WAI OILS LIMITED | Private company limited by shares | Dissolved |
| ASIAN ESSENTIAL OILS LIMITED | Private company limited by shares | Live |
| Friola Edible Oils Limited | Private company limited by shares | Live |
| SOUTH PACIFIC ESSENTIAL OILS LIMITED | Private company limited by shares | Dissolved |
| SUMMERWIND OILS AND GRAINS TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sunshine Oilsands (Hong Kong) Limited | Private company limited by shares | Live |
| MERCOM OILSANDS LIMITED | Private company limited by shares | Dissolved |
| OILSO CO., LIMITED | Private company limited by shares | Live |
| OILSTONE LIMITED | Private company limited by shares | Dissolved |
| OILSTORE (ASIA) LIMITED | Private company limited by shares | Live |
| OILTECH USA LIMITED | Private company limited by shares | Live |
| DALLAS OIL-TEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| Oiltique International Limited | Private company limited by shares | Live |
| OILTON LIMITED | Private company limited by shares | Dissolved |
| OILTON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| DRAGON OILTOOLS LIMITED | Private company limited by shares | Live |
| OILTOWN INVESTMENTS LIMITED | Private company limited by shares | Live |
| OilTrans Limited | Private company limited by shares | Live |
| OILTREK LIMITED | Private company limited by shares | Live |
| OILY GEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Oily Family Limited -The- | Private company limited by shares | Live |
| OILY INVESTMENT LIMITED | Private company limited by shares | Live |
| Oilyland Asia HK Limited | Private company limited by shares | Live |
| OILYON COMPANY LIMITED | Private company limited by shares | Dissolved |