Currently, the development of information systems in the interests of Russian Railways, as a rule, relies on the secure integration of modern tool systems, such as database management systems, programming systems, business intelligence systems, etc. When choosing tools, their availability is taken into account, as well as agreements with leading developers in the IT industry. The article substantiates the choice of tools for the development of the cargo transportation information system of JSC Russian Railways based on the secure integration of the Postgres Pro database management system and the Loginom business intelligence system, taking into account the following factors: import substitution, application execution speed, the ability to work with big data, the existence of contractual relations between companies, the availability of testing data used applications. The substantiation of the structural scheme of the information system is given, as well as its architecture with a description of the integration of components.