Аннотация: This article analyzes the popular corporate information systems of the Russian market. At the present stage of market functioning, both Russian and Western CIS are present. The share of CIS in the Russian market is growing by about 20% every year, and now the ratio of Russian and Western CIS is almost equal. As a result of the introduction of the corporate information system (CIS), there is an increase in the company's internal controllability, flexibility and resistance to external influences; increasing the efficiency of the company, its competitiveness, and ultimately increasing profitability, increasing sales, reducing costs, reducing inventory, reducing lead times and improving interaction with suppliers.