| C.N.L. ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CnlGaming Limited | | Live |
| CNLiF Company Limited | Private company limited by shares | Live |
| CNLighting Technology Co., Limited | Private company limited by shares | Live |
| CN-LINKED LIMITED | Private company limited by shares | Live |
| CNLINKZ LIMITED | Private company limited by shares | Dissolved |
| CNLOEYEWEAR LIMITED | Private company limited by shares | Live |
| CNMACAU CHINESE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| CNMAX LIMITED | Private company limited by shares | Live |
| CHINA CNME GROUP LIMITED | Private company limited by shares | Live |
| CN-MEDITECH CO., LIMITED | Private company limited by shares | Live |
| CNMHE MATERIAL HANDLING EQUIPMENT CO., LIMITED | | Live |
| CNMIT LIMITED | Private company limited by shares | Live |
| CN-MM GREAT INDUSTRY GROUP (ASIA) LIMITED | Private company limited by shares | Live |
| CNMMR Limited | Private company limited by shares | Live |
| CNMOULDING LIMITED | Private company limited by shares | Live |
| CNMUXUE LIMITED | Private company limited by shares | Live |
| C-N-N INTERNATIONAL TRAVEL SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cnnb Limited | | Live |
| C-N-N.COM (HK) LIMITED | Private company limited by shares | Dissolved |
| Cnncy Volunteer Alliance Company Limited | Company limited by guarantee | Live |
| CHINA CNNE NEW ENERGY GROUP LIMITED | Private company limited by shares | Live |
| CNNE RESOURCE GROUP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CHINA CNNE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Cn-Net Capital Company Limited | Private company limited by shares | Live |
| CNNIG New ENERGY LIMITED | | Live |
| CNNIX COMPANY LIMITED | Private company limited by shares | Live |
| CNNJE TRADING CO., LIMITED | Private company limited by shares | Live |
| CNNLINK TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| CNODC Dawn Light Limited | Private company limited by shares | Live |
| CNODC Sunflower Limited | Private company limited by shares | Live |
| HONG KONG CNONE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| CNOOC LIMITED | Public company limited by shares | Live |
| CNOOC INSURANCE LIMITED | Private company limited by shares | Live |
| CNOOD GCC LIMITED | Private company limited by shares | Live |
| CNOOD ASIA LIMITED | Private company limited by shares | Live |
| CNOOD ASIA ENGINEERING LIMITED | Private company limited by shares | Live |
| CNOOD HONG KONG LIMITED | Private company limited by shares | Live |
| CNOOD ENGINEERING & MANAGEMENT CO., LIMITED | | Live |
| CNOOD SCMI LIMITED | | Live |
| CNOP ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| CNOTED (GROUP) LIMITED | Private company limited by shares | Live |
| C-NOVO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CnPay Limited | Private company limited by shares | Live |
| CNPC R&D Company Limited | | Live |
| Progreso CNPC (China) Investment Limited | Private company limited by shares | Live |
| CNPC POWDER GROUP CO., LIMITED | Private company limited by shares | Live |
| CNPC CAPITAL (HK) LIMITED | Private company limited by shares | Live |
| CNPC FINANCE (HK) LIMITED | Public company limited by shares | Live |
| C.N.P.C. (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| CNPC HONG KONG (HOLDINGS) LIMITED | Private company limited by shares | Dissolved |
| MC & CNPC OIL (HONG KONG) LIMITED | Private company limited by shares | Live |
| CNPC International (Hong Kong) Limited | Private company limited by shares | Live |
| CNPC International Trade Group Hongkong Limited | Private company limited by shares | Live |
| CNPC INTERNATIONAL KAZAKHSTAN TRADING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CNPC KUNLUN INT'L (HONG KONG) LIMITED | Private company limited by shares | Live |
| CNPC Kunlun Gas Utilization (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| HONG KONG CNPC MASTERY OIL LIMITED | Private company limited by shares | Dissolved |
| CNPC Overseas Asset Management Limited | | Live |
| CNPC TONG DA PETROLEUM COMPANY LIMITED | Private company limited by shares | Live |
| CNPC Services & Engineering Limited | Private company limited by shares | Live |
| CNPC XING DE ENERGY SHARE LIMITED | Private company limited by shares | Live |
| CNPhilo Global Financial Holding Group Limited | Private company limited by shares | Live |
| CNPIEC (HK) DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| CHINA CNPK CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Cnplastic Industrial Group Limited | Private company limited by shares | Live |
| CNPMARKS LIMITED | Private company limited by shares | Live |
| CNPRIME LIMITED | | Live |
| CNQC Maristar MiC Limited | Private company limited by shares | Live |
| Shiu Wing CNQC MiC Limited | Private company limited by shares | Live |
| Cnray International Holding Group Co., Limited | Private company limited by shares | Live |
| CNRC Capital Limited | Private company limited by shares | Live |
| Cnrcn Group Company Limited | Private company limited by shares | Live |
| CNRPD LIMITED | Private company limited by shares | Live |
| CNS.COM LIMITED | Private company limited by shares | Dissolved |
| CNSG LIMITED | Private company limited by shares | Live |
| CNSHIPTRANS SHIPPING CO., LIMITED | Private company limited by shares | Live |
| CNSL INDUSTRIAL GROUP COMPANY LIMITED | | Live |
| CNSN INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Zhongshan CNSN Paper Co., Limited | Private company limited by shares | Live |
| CNSNS PNEUMATICS CO., LIMITED | Private company limited by shares | Dissolved |
| CNSNS PNEUMATIC & HYDRAULIC CO. LIMITED | Private company limited by shares | Live |
| HONG KONG CNSOLARPOWER CO., LIMITED | Private company limited by shares | Live |
| CN-SOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| CN-SOURCES ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| CNSTAR INNOMAN TEK LIMITED | Private company limited by shares | Live |
| CNSTARTV CO., LIMITED | Private company limited by shares | Live |
| CN-SUGAR UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| CNSUKE ELECTRIC COMPONENT CO., LIMITED | Private company limited by shares | Live |
| HK Xiajiajia Enterprise Mnagement Cnsulting Limited | Private company limited by shares | Live |
| CNSV GLOBAL LIMITED | Private company limited by shares | Live |
| C.N.T. LIMITED | Private company limited by shares | Live |
| CNT43 LIMITED | | Live |
| Shenzhen Cntak Electech Co., Limited | Private company limited by shares | Live |
| CNTALENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CNTC LIMITED | Private company limited by shares | Live |
| CNT-EXTENGINE LIMITED | Private company limited by shares | Dissolved |
| Jiangsu CNTG Coalition for Low Carbon Limited | Private company limited by shares | Dissolved |
| CNTG Energies Limited | Private company limited by shares | Dissolved |
| CNTG Energies Group Limited | Private company limited by shares | Live |