Österreichische Bundesbahnen-Holding Aktiengesellschaft
Alaska Railroad Corporation América Latina Logística S.A. Amey UK plc Anacostia Rail Holdings Company Arkansas & Missouri Railroad Co.
Beiya Industrial (Group) Co. Ltd. BNSF Railway Company
Córas Iompair Éireann Central Japan Railway Company ClubLink Enterprises Limited Companhia do Metropolitano de São Paulo - Metrô Conrail Inc. CSX Transportation Inc.
Dakota, Minnesota & Eastern Railroad Corporation DB Schenker Rail (UK) Ltd. DB Schenker Rail Danmark Services A/S DB Schenker Rail Deutschland AG Direct Rail Services Limited
East Japan Railway Company Eurostar Group Ltd.
Ferrovie dello Stato S.p.A. First ScotRail Florida East Coast Railway, L.L.C. FNM S.p.A.
Great Western Trains Company Limited Groupe Eurotunnel SA
Hankyu Hanshin Holdings, Inc.
Indiana Harbor Belt Railroad Company Iowa Interstate Railroad Ltd.
Jarvis plc
Keihin Electric Express Railway Co., Ltd. Keio Corporation Keisei Electric Railway Co., Ltd. KnightHawk Inc. Kowloon-Canton Railway Corporation
London Eastern Railway Limited London Underground Limited
Maine Central Railroad, Inc. Metro-North Commuter Railroad Company Metropolitan Transportation Authority Montana Rail Link, Inc. MRS Logistica S.A. MTR Corporation Limited
Nagoya Railroad Co., Ltd. National Express Group PLC National Railroad Passenger Corporation Network Rail New Southern Railway Limited New York City Transit Authority New Zealand Railways Corporation Norfolk Southern Railway Company Northeast Illinois Regional Commuter Railroad Corporation NV Nederlandse Spoorwegen
Odakyu Electric Railway Co., Ltd. OmniTRAX, Inc.
Pan Am Railways, Inc. Pan Am Systems, Inc. Pinsly Railroad Company Polskie Koleje Pañstwowe S.A. ProRail B.V.
Rail Cargo Austria AG Rossiiskie Zheleznye Dorogi OAO
San Francisco Bay Area Rapid Transit District SEIBU Railway Co., LTD. SMRT Corporation Ltd Société Nationale des Chemins de Fer Français Southeastern Pennsylvania Transportation Authority Southern California Regional Rail Authority Swiss Federal Railways SBB
Texas Mexican Railway Company The Belt Railway Company of Chicago The Go-Ahead Group plc The Kansas City Southern Railway Company The Long Island Rail Road Company Tobu Railway Co., Ltd. Transtar, Inc. Tube Lines Ltd.
Union Pacific Railroad Company
VIA Rail Canada Inc. Virgin Rail Group VR-Group Ltd
Washington Metropolitan Area Transit Authority Watco Companies, Inc. West Japan Railway Company Wheeling & Lake Erie Railway Co.