These were Serco-NedRailways, Ansaldo STS, Arriva, S-Bahn Hamburg, Keolis and DSB Metro—a joint venture between DSB and RATP.
Perusahaan tersebut adalah Serco–NedRailways, Ansaldo STS, Arriva, S-Bahn Hamburg, Keolis dan DSB Metro—sebuah joint venture antara DSB dan RATP.