China Railway No.1 Bureau (Shaanxi Xi), China Railway No.2 Bureau (Chengdu, Sichuan), China Railway No.3 Bureau (Taiyuan, Shanxi), China Railway No.4 Bureau (Hefei, Anhui), China Railway No.5 Bureau (Guiyang, Guizhou), China Railway No.6 Bureau (Beijing), China Railway No.7 Bureau (Zhengzhou, Henan), China Railway No.8 Bureau (Chengdu, Sichuan),
China Railway 9th Bureau (Shenyang, Liaoning), China Railway 10th Bureau (Jinan, Shandong), China Railway 11th Bureau (Wuhan, Hubei), China Railway 12th Bureau (Taiyuan, Shanxi), China Railway 13th Bureau Lunbi (Tianjin), China Railway 14th Bureau (Jinan, Shandong), China Railway 15th Bureau (Beijing), China Railway 16th Bureau (Beijing) and China Railway 17th Bureau (Taiyuan, Shanxi).
China Railway 18th Bureau (Tianjin), China Railway 19th Bureau (Beijing), China Railway 20th Bureau (Shaanxi Xi), China Railway 21st Bureau (Gansu Lanzhou), China Railway 22nd Bureau (Beijing), China Railway 23rd Bureau (Chengdu, Sichuan), China Railway 24th Bureau (Shanghai) and China Railway 25th Bureau (Guangzhou).
Extended information 1, China Railway Engineering Corporation includes China Railway No.1 Bureau to China Railway No.10 Bureau;
2. China Railway Construction includes China Railway 11th Bureau to China Railway 25th Bureau;
3. China Railway Engineering Group Co., Ltd. is a multi-functional and super-large enterprise group integrating survey and design, construction and installation, real estate development, industrial manufacturing, scientific research and consultation, project supervision, capital management, financial trust and foreign trade. It is a central enterprise supervised by SASAC the State Council.