1. Rongcheng Group: Tianjin Rongcheng Xiangtai Investment Holding Group Co., Ltd. is a large-scale private enterprise with cross-border, cross-industry and diversified development in Tianjin. It has formed three major industries: iron and steel metallurgy, technology and finance and cultural health, ranking among the top 500 Chinese enterprises, the top 500 private enterprises in China and the top ten enterprises in Tianjin.
2. Bohai Bank: Bohai Bank Co., Ltd. is the first national joint-stock commercial bank headquartered in Tianjin, and the first national joint-stock commercial bank to introduce overseas strategic investors since 2000.
3. China Petrochemical North China Branch: China Petrochemical Sales Co., Ltd. North China Branch is one of the top 100 state-owned enterprises in Tianjin.
4. Youfa Steel Pipe Group: Tianjin Youfa Steel Pipe Group Co., Ltd. is a "single champion demonstration enterprise in manufacturing industry" evaluated by the Ministry of Industry and Information Technology. Entrusted by the National Iron and Steel Standards Committee, Youfa took the lead in drafting and revising 18 national standards and industry standards.
5. Tianjin Port: Tianjin Port (Group) Co., Ltd. is the largest port enterprise in Tianjin and one of the largest ports in the world.
6. Tianjin Rail Transit Group: Tianjin Rail Transit Group Co., Ltd. is responsible for the construction and operation of Tianjin Metro.
7. Tianjin City Investment Group: Tianjin Urban Infrastructure Construction Investment Group Co., Ltd. is responsible for the construction and investment of Tianjin urban infrastructure.
8. Tianjin Water Group: Tianjin Water Group Co., Ltd. is responsible for water resources management and water facilities operation in Tianjin.
9. Tianjin Energy Investment Group: Tianjin Energy Investment Group Co., Ltd. is responsible for the energy supply and operation of energy facilities in Tianjin.
10. Tianjin TEDA Investment Holding Co., Ltd.: Tianjin TEDA Investment Holding Co., Ltd. is the main investment and management institution of Tianjin Economic and Technological Development Zone, responsible for the investment and construction of the Development Zone.