The wisdom of reviewing corporations, which execute strategic programs of corporate sustainability, as an important actor of political communications in postindustrial society is justified in the article. The basic features of corporate sustainability, corporate social responsibility, and corporate citizenship concepts, the role of strategic communications under international ESG-discourse are outlined. The comparative analyses of Russian companies, participating Global Compact Network, social investments during COVID-19 pandemic is based on case studies, transparent nonfinancial reporting, and expert interviews. Social projects and programs of X5 Retail Group, Severstal’, Norilsk Nikel, United Metallurgic Company were studied. These companies’ basic business activities were established in industrial society. As the result of the research, based on process sociology (N. Elias), mediatization (A. Hepp), and communicative rationality (Ju. Habermas) approaches, the role of corporate citizens in communicative figurations of the network society formation and their subjectivity in political communications acquiring. The focus is made on COVID-19 pandemic influence on communication infrastructures with the studied companies’ stakeholders transformation.