Information systems in management of polish railway companies of PKP group in aspects of technology and economy

Paper presents selected management information systems in the railway industry companies arising from the transformation of the Polish State Railways into PKP Group. Hardware and software solutions used by this systems and benefits of implement them are also pointed out. Takes into account the areas of financial management as well as the areas of operational management, specific for their activities. These issues are presented in the context of technology and economy. It has been proved that the organizational solutions imply the impossibility of efficient use of resources allocated to information systems due to consummate the benefits of consolidation, virtualization and cloud computing is impossible.