I know the following relatively large enterprises:
Chuanwei group
Neijiang Investment Holding Group Co., Ltd. (wholly state-owned)
Neijiang jiahong urban construction group co., ltd
Neijiang Water Company (Water Plant)
Neijiang Natural Gas Company (Tianrun Gas)
Baima circulating power plant belongs to Huadian, and Baima old power plant seems to belong to Shendian.
State-owned banks such as State Grid Corporation, PetroChina, Sinopec Neijiang Branch, China Mobile, China Telecom, China Unicom, Industry and Commerce, Construction, Agriculture and Agricultural Development Bank are all jointly managed by Neijiang Municipal Government.
You are welcome to add, especially the officials of the state-owned assets system.