First, oilfield enterprises.
Shengli Oilfield Zhongyuan Oilfield Henan Oilfield Jianghan Oilfield Jiangsu Oilfield Xinxing Petroleum Company
Shanghai Offshore Oil and Gas Branch East China Petroleum Bureau North China Petroleum Bureau Northwest Petroleum Bureau Northeast Petroleum Bureau Southwest Petroleum Bureau
Shengli Petroleum Engineering Co., Ltd. Qi Xin Pipeline Co., Ltd. Exploration South Branch Natural Gas Branch
Zhongyuan Petroleum Engineering Co., Ltd. Henan Petroleum Engineering Co., Ltd. Jianghan Petroleum Engineering Co., Ltd.
Jiangsu Petroleum Engineering Co., Ltd. Southwest Petroleum Engineering Co., Ltd. North China Petroleum Engineering Co., Ltd.
East China Petroleum Engineering Co., Ltd. Petroleum Engineering Geophysics Co., Ltd. Petroleum Engineering Construction Co., Ltd.
Petroleum Machinery Co., Ltd. International Petroleum Engineering Company Offshore Petroleum Engineering Company
The second is refining and chemical enterprises.
Pipeline storage and transportation company Yanshan Petrochemical Shanghai Petrochemical Gao Qiao Petrochemical Jinling Petrochemical Maoming Petrochemical
Tianjin Petrochemical Yangzi Petrochemical Changling Refining Yizheng Chemical Fiber Zhenhai Refining Nanjing Chemical Company
Guangzhou Petrochemical Anqing Petrochemical Luoyang Petrochemical Jingmen Petrochemical Jiujiang Petrochemical Hubei Chemical Fertilizer Jinan Refining and Chemical Industry
Wuhan Petrochemical Zhongyuan Petrochemical Lubricating Oil Company Beihai Refining and Chemical Zhanjiang Dongxing Company Qingdao Refining and Chemical Company
Hainan Refining and Chemical Company Refining and Chemical Company Tahe Branch Chemical Industry Sales Co., Ltd. Refining and Chemical Sales Co., Ltd.
Third, oil sales enterprises.
Beijing Petroleum Company Tianjin Petroleum Company Hebei Petroleum Company Shanxi Petroleum Company Shanghai Petroleum Company
Jiangsu Petroleum Company Zhejiang Petroleum Company Anhui Petroleum Company Fujian Petroleum Company Jiangxi Petroleum Company
Shandong Petroleum Company Henan Petroleum Company Hubei Petroleum Company Hunan Petroleum Company Guangdong Petroleum Company
Guangxi petroleum company Hainan petroleum company Guizhou petroleum company Yunnan petroleum company sells North China branch.
Sales East China Branch Sales Central China Branch Sales South China Branch Liaoning Petroleum Branch
Heilongjiang petroleum branch Jilin petroleum branch Shaanxi petroleum branch Ningxia petroleum branch
Xinjiang petroleum branch Inner Mongolia petroleum branch Qinghai petroleum branch Gansu petroleum branch
Sichuan Petroleum Branch Chongqing Petroleum Branch Tibet Petroleum Branch Fuel Oil Sales Co., Ltd.
Fourth, scientific research institutions
Research Institute of Petroleum Exploration and Development Research Institute of Petrochemical Science Beijing Research Institute of Chemical Technology Fushun Research Institute of Petrochemical Technology
Shanghai Petrochemical Research Institute Safety Engineering Institute Petroleum Engineering Technology Institute Petroleum Geophysics Institute
Five, design and construction units
Fourth Construction Company, Fifth Construction Company, Tenth Construction Company, Engineering Construction Company and Luoyang Engineering Company.
Shanghai engineering company Ningbo engineering company Nanjing engineering company lifting transportation engineering company Luoyang technology research and development center
Sixth, other units
Catalyst Company International Business Company United Petrochemical Company International Petroleum Exploration Company Finance Company
Economic and technical management cadre college petrochemical newspaper office petrochemical press