|| SNTF/ANESRIF || Kontron/Frequentis AG |- |Austria || ÖBB-IKT GmbH || ÖBB || Kontron/WINGCON |- | Australia || Department of Transport Victoria || Metro Trains Melbourne || Nokia Networks/WINGCON |- | Australia || UGL Limited || RailCorp || Huawei/Frequentis AG |- | Belgium || Infrabel || NMBS/SNCB|| Nokia Siemens |- | Bulgaria || NRIC || NRIC|| Kontron/WINGCON/Frequentis AG |- | China || China Ministry of Railway || CR || Huawei/ZTE |- | Czech Republic || Správa železnic|| ČD || Kontron |- | Denmark || Banedanmark || DSB || Nokia Networks + WINGCON/Wenzel Elektronik/Frequentis AG |- | France || SNCF Réseau || SNCF || Kontron/WINGCON |- | France/Great Britain || Getlink || Getlink || Kontron/WINGCON/Trans Data Management |- | Germany || DB Netz || DB || Kontron/WINGCON/Frequentis AG |- | Great Britain || Network Rail || List of passenger operators || Siemens Mobility + Kontron/WINGCON/Frequentis AG |- | Greece || OSE S.A. || TrainOSE || Nokia Networks |- | Hungary || VPE || MÁV || Kontron/WINGCON/Frequentis AG |- | India || Nokia Siemens Networks || IR || Nokia Siemens/WINGCON + Kontron/Frequentis AG |- | Ireland || CIÉ || IÉ || Kontron/WINGCON/Frequentis AG |- | Israel || Israel Railways || Israel Railways || Nokia Networks + Motorola Solutions |- | Italy || RFI || TI || Nokia Networks + Kontron |- | Lithuania || Lithuanian Railways || Lithuanian Railways || Kontron/WINGCON/Frequentis AG |- | Luxembourg || CFL || CFL || Kontron/WINGCON |- | Netherlands || Mobirail || NS || Nokia Networks/KPN |- | Norway || Jernbaneverket || NSB || Nokia Networks/WINGCON/Frequentis AG |- | Poland || PKP PLK || PKP Intercity & others || Nokia Networks + Kontron/WINGCON/Frequentis AG |- | Saudi Arabia || Thales Group together with Nokia Networks || Saudi Arabian Railways || |- | Saudi Arabia || AlShoula together with ADIF || Saudi Arabian Organisation || Kontron/WINGCON/Frequentis AG |- | Slovakia || ŽSR || ZSSK || Kontron/WINGCON |- | Slovenia | AZP | SŽ | Kontron/WINGCON/Iskratel, d.o.o |- | Spain || ADIF || RENFE || Nokia Networks + Kontron |- | Sweden || Trafikverket || SJ, Hector Rail, Green Cargo || Nokia Networks + WINGCON/Wenzel Elektronik |- | Switzerland || Siemens together with SBB Telecom || SBB/CFF/FFS || WINGCON/Frequentis AG |- | Switzerland || NSS/BSS: Siemens together with SBB Telecom || BLS Switzerland || Trans Data Management AG |- | Turkey || – || Turkish State Railways || Kontron/Frequentis