It was formed on 20 November 1892, and mainly organizes workers in Norges Statsbaner—with the exception of locomotive drivers— and the Norwegian National Rail Administration, including related companies such as BaneTele, Nettbuss, Nettlast, Malmtrafik, MiTrans, Mantena, Trafikkservice, CargoNet, Baneservice, Arrive, Ofotbanen AS, NSB Gjøvikbanen and Flytoget.