• CNPC – Sichuan Petroleum Administration Bureau

• PetroChina Company Limited – Southwest Gas Field Subsidiary

• PetroChina Company Limited – Tarim Oil Field Subsidiary

• PetroChina Company Limited – Changqing Oil Field Subsidiary

• CNPC–Daqing Petroleum Administration Bureau

• PetroChina Company Limited – Daqing Oil Field Co.,Ltd.

• CNPC–Liaohe Petroleum Administration Bureau

• Petrochina Company Limited – Liaohe Oil Field Subsidiary

• CNPC– CNODC

• CNPC– CPECC

• CNPC– CPE

• CNPC– Tibet Sales Subsidiary

• CNPC– Dalian international Storage & Transpotation Co., Ltd.

• Sinopec Corp. – SINOPEC Shengli Oil Field Co. Ltd.

• Sinopec – Shengli Oil Field Co., Ltd.

• Sinpec – Shengli Engineering Design & Consultation Co., Ltd.

• Sinopec – Northwest Subsidiary

• Sinopec – Zhongyuan Subsidiary

• Sinopec Corp. –SINOPEC Beijing Yanshan Petrochemical Co., Ltd.

• CNPC- PetroChina Jinxi Petrochemical Co., Ltd.

• CNODC

• SINOCHEM CORPORATION – Sinochem Shandong Fertilizer Co., Ltd.

• SINOCHEM CORPORATION – Tianji Sinochem Gaoping Chemical Engineering Co., Ltd.

• Lanqiao Petrochemical Co. Ltd. of Rizhao, Shandong Province