Gleisfrei is a qualified operator by RFI in OMM-A, OMM-B, OMM-C categories for the repair and service of railway vehicles, counting more than 2000 done five-years planned overhauls. Thanks to its  highly qualified employees and its long experience, Gleisfrei is able to assist in repair of wagons and locomotives and other types of vehicles built by General Electric, MaK, Krauss Maffei, Deutz, Badoni, Greco, Jenbach, Donelli, Fipem, Keller, Robel-Schoma, Orenstein&Koppel and many others.