AAE / AAR / ACRI / ADIF / ADIFSE / ADY / AFER / AMTRAK / ANCF / ANESRIF / APAD / ARA / ARTF Gabon / ARTF Mexico / ASTOC / ATTICA Group / AWR / Bane NOR / BC / BCC / BDZ / BJTU / BLS / BR-ICS / BRC / BSB / BULMARKET / CAMRAIL / CARS / CD / CFL / CFL CARGO / CFR CALATORI / CFR MARFA / CFR-SA / CFS / ch-direct / CHSRA / CIE / CP, E.P.E. / CR / CTV / DB AG / DJKA / DSB / EDLP / EDR / ENR / ENTUR AS / ERS / ETS / EUROFIMA / EUROSTAR I / EUSKOTREN / FCH / FFE / FGC / FOX / FPC / FS / FTIA/VÄYLÄ / GETLINK / GFR / GKB / GR / GREEN CARGO / GVG / GYSEV CARGO / GYSEV/ RAABERBAHN / HARSCO / Hit Rail / HS2 / HŽ Cargo d.o.o. / HZ-Infrastruktura / HZ-Passenger / IK / INFRABEL / IP SA / IR / IRR / ISR / ITM / IZS / JFRC / JHR / JR-C / JR-E / JR-W / KAI / KEOLIS / KORAIL / KRNA / KRRI / KTM Berhad / KTZ / LDZ / LFP / LG / LIBYA / LINEAS / LISEA / MASKA / MAV / MDA / MIIT/RUT / MTZ / MyHSR Corp / MZ-I / ŽRSM-Transport AD Skopje / NETWORK RAIL / NIIAS / NRA / NRIC / NS / NTV / ÖBB / OMAN RAIL / ONCF / OPTIMA-TOURS / OSE / PKP / PLASKE JSC / PNR / PRORAIL / DOT / QRC / RAC/ACFC / RAI / REGIO CALA / RENFE / RhB / RPS / RSSB / RTRI / RTS / RZD / RZDstroy / SAD / SBB CFF FFS / SCR / SCTP / SDCF / Serbia Railways / Serbia Train / SETRAG / SHR / SIPF / SITARAIL / SJ AB / SNCB/NMBS / SNCC / SNCF (Mobilités/Réseau) / SNCFT / SNIM / SNTF / SOPAFER-B / SRC / SRO / SRT / StL UK / StudentAgency / SWJTU / Sydney Trains / SYSTRA (INEXIA) / SZ / SZCZ / TBNE / TCDD / TCDD Taşımacılık A.S. / TFNSW-ASA / THALYS / THSRC / TMR / TONGJI / TRA / TRAFIKVERKET / TRAINOSE / TRANSLINK / TRENORD / UAE FTA / UBIMET / UBTZ / UNICOM TRANZIT / US DOT / FRA / UZ / VIA RAIL / VNIIZhT / VNR / VPE / VR / WB / WLB / WSt / ZFBH / ZRL / ZRS / ZSR / ZSSK / ZSSK CARGO / DOTr / Jernhusen / PTA / RAC / SAR /  Full list of UIC members (Vademecum)