Nuclear power enterprise directory who has?

Now the domestic nuclear power enterprises are:

China Guangdong Nuclear Power Group, under the jurisdiction of the power station for Daya Bay Nuclear Power Station, Ling Ao Nuclear Power Station, Ling Ao II Nuclear Power Station, Taishan Nuclear Power Station (shareholding, under construction), Hubei Xianning Nuclear Power Station (shareholding, under construction), Guangxi Fangchenggang Nuclear Power Station (shareholding, under construction), Yangjiang Nuclear Power Station (debugging), Hongyanhe Nuclear Power Station (shareholding, under debugging). Ningde Nuclear Power Station (shareholding, commissioning).

CNIC, under the jurisdiction of the power station for Qinshan I, Qinshan II, Qinshan III, Qinshan II expansion project, Sanmen Nuclear Power Station (under construction), Fuqing Nuclear Power Station (under construction), Tianwan Nuclear Power Station (shares)

Additionally the above mentioned by the shares of the power station, mainly the CECC Nuclear Power Company, Datang Power, France EDF and so on.

I don't know why the above group of companies can't be regarded as a business, can the owner explain and give examples of what you define as a business.