Nanjing Rail Transit Group holds a number of companies.

Shanghai shentong subway group co., ltd

Functions: Construction Department, Contract Law Department, Master Planning Department, Investment Planning Department, Electromechanical Department, Personnel Department, Finance Department and Office.

Management center: technical center, construction management center, transportation management center, information center, capital center, asset center and training center.

It owns operating subsidiaries: Shanghai Metro No.1 Operation Co., Ltd., Shanghai Metro No.2 Operation Co., Ltd., Shanghai Metro No.3 Operation Co., Ltd., Shanghai Metro No.4 Operation Co., Ltd. and Shanghai Maglev Transportation Development Co., Ltd.

There are maintenance companies: Shanghai Metro Maintenance Co., Ltd. (including Shanghai Metro Maintenance Co., Ltd. Vehicle Branch, Shanghai Metro Maintenance Co., Ltd. Power Supply Branch, Shanghai Metro Maintenance Co., Ltd. Hao Tong Branch, Shanghai Metro Maintenance Co., Ltd. Works Branch, Shanghai Metro Maintenance Co., Ltd. Logistics Branch, Shanghai Metro Maintenance Co., Ltd. Logistics Center and Shanghai Metro Maintenance Co., Ltd. Measurement Center).