Bombardier is the largest international investor in the rail transportation industry in Poland. It has more than 1,000 employees in Katowice, Łódź, Warsaw and Wrocław. Its wide range of business activities includes the production of locomotive car bodies, bogie frames for high speed trains, regional multiple units, trams and metro cars, design and production of rail control and signalling systems, the production of electric devices and equipment as well as maintenance of rail vehicles. 

The locomotives of the TRAXX family are used by numerous freight operators in Poland. New generation TWINDEXX double deck coaches are operated by Koleje Mazowieckie together with TRAXX passenger locomotives. Modern low-floor FLEXITY trams improve the urban transport in Kraków, Gdańsk and Łódź. All main rail lines are equipped with rail control systems, which are designed and produced by Bombardier Transportation. Soon the ERTMS Level 2 technology supplied by Bombardier Transportation site in Katowice will be launched on lines E30 and E65. Since June 2012 EUROLOT S.A. has been using modern BOMBARDIER Q400 NextGen turboprops on its domestic and international flights.