Brazil
National Land Transport Agency
Britain
Department for Transport
Office of the Rail Regulator
RSSB
Canada
Canadian Transportation Agency
Transport Canada (ministry)
Transportation Safety Board
Denmark
Ministry of Transport
National Rail Authority
China
Ministry of Railways
Europe
Channel Tunnel Intergovernmental Commission (IGC)
European Commission Directorate General for Mobility & Transport)
European Commission Systems for Advanced Management of Public Transport Operations (SAMPO)
European Conference of Ministers of Transport (ECMT)
France
Ministry of Transport
Germany
Federal Ministry of Transport
Federal Railway Authority (EBA)
Italy
Ministry of Transport and Navigation
Japan
Ministry of Transport
Lithuania
Ministry of Transport
Netherlands
Ministry of Transport
Norway
Ministry of Transport and Communications
National Accident Investigation Board (rail)
Norwegian Railway Inspectorate
Russia
Ministry of Railways
Singapore
Land Transport Authority
Slovakia
Ministry of Transport
Sweden
Rikstrafiken (franchising authority)
Transport Styrelsen (Swedish Transport Agency)
Taiwan
Bureau of Taiwan High Speed Rail (BOTHSR)
USA
California High Speed Rail Authority
Caltrans Rail Program
Federal Railroad Administration
Federal Transit Administration (FTA)
Surface Transportation Board (STB)
Transportation Research Board (TRB)
US Department of Transportation (DOT)
Rail Research UK
China
China Academy of Railway Sciences
China Railway Science and Technology Net
Czech Republic
Czech Railway Research Institute
Europe
European Rail Research Advisory Council (Errac)
Eurailtest
India
Research Designs and Standards Organisation (RDSO)
International
International Association of Railway Operations Research (IAROR)
Japan
Railway Technical Research Institute (RTRI)
Korea
Korea Railroad Research Institute (KRRI)
Netherlands
Technical University of Delft Railway Engineering
Poland
Railway Scientific and Technical Centre (CNTK)
Russia
Russian Railway Research Institute
Sweden
Chalmers Competence Centre in Railway Mechanics (Charmec)
USA
Railroad Research Foundation
Transportation Technology Center Inc (TTCI)
University of Illinois Railroad Engineering Programme
Southern Africa Railways Association Middle East NetherlandsAfrica
Argentina
Argentina Railways Institute (Fiaf)
Australia
Australasian Railway Association Inc
Australian Railway Industry Corporation (ARIC)
Railway Technical Society of Australia (RTSA)
Brazil
National Association of Railway Transport (ANTF)
Britain
Association of Train Operating Companies (ATOC)
Chartered Institute of Logistics & Transport (Britain)
Institution of Railway Signal Engineers (IRSE)
PTEG (Representing seven PTEs)
Rail Freight Group
Railway Industry Association (RIA)
Young Railway Professionals
Canada
Association of Regional Railways of Canada (ARRC)
Canadian Urban Transit Association
Railway Association of Canada
China
China Acadamy of Railway Sciences (Cars)
Europe
Association of the European Railway Industry (Unife)
Community of European Railway & Infrastructure Companies (CER)
Eurofima
European Association for Railway Interoperability (AEIF)
European Intermodal Association (EIA)
European Federation of Railway Trackworks Contractors (EFRTC)
European Rail Freight Association (ERAF)
European Rail Freight Customers Platform (ERFCP)
European Rail Infrastructure Managers (EIM)
European Railway Research Advisory Council (ERRAC)
European Railway Wheels Association (ERWA)
European Rail Traffic Management System (ERTMS)
Foundation for Railway Infrastructure Development
Intercontainer-Interfrigo
International Union of Combined Road-Rail Transport Companies (UIRR)
International Union of Private Wagons (UIP)
Nordic Association of Railway Professionals (NJS)
Union of European Railway Engineer Associations (UEEIV)
France
Railway Industry Association (FIF)
Railway Engineers & Executives Association (AFFI)
GART (Association of Transport Authorities)
Nord-Pas de Calais Railway Industry Association (AIF)
Germany
VDEI (German Association of Railway Engineers)
VDV (Association of Transport Operators)
International
Arab Union of Railways
International Air Rail Organisation (IARO)
International Heavy Haul Association (IHHA)
International Organisation of Overhead Catenary Engineers (IOOCE)
International Transport Forum
International Union of Public Transport (UITP)
International Union of Railways (UIC)
Latin American Association of Underground Networks & Subways (ALAMYS)
Organisation for Railway Collaboration (OSShD/OSJD)
Iran
Iranian Association of Rail Transport Engineering
Italy
Italian Association of Railway Electrical Industries (ASSIFE)
Italian Railway Certification and Safety Organisation (Cesifer)
Japan
Association of Japanese Private Railways
High Speed Surface Transport
Japan Overseas Rolling Stock Association (Jorsa)
Korea
Korea Rolling Stock Industries Association (Korsia)
UIC Middle East
Railforum Netherlands
North America
Intermodal Association of North America (IANA)
South Africa
Railroad Association of South Africa
South America
Association of Latin American Metros (Alamys)
Latin American Railway Association
Spain
Spanish Association of Railway Equipment Manufacturers and Exporters (Mafex)
Sweden
Swedish Rail Industry Group (Swerig)
Switzerland
Swiss Union of Public Transport
Swissrail Export Association
USA
American Association of Private Car Owners
American Public Transit Association (APTA)
American Railway Engineering & Maintenance of Way Association
American Short Line and Regional Railroad Association
Association of American Railroads
California High Speed Rail Authority
Florida High Speed Rail
Railway Engineering-Maintenance Suppliers Association
Railway Systems Suppliers I
US High Speed Rail Association
Brazil
TAV Brasil high-speed project
Britain
Crossrail
France/Italy
Lyon-Turin Rail Link
Japan
Maglev Project (RTRI)
Portugal
RAVE (Portuguese High-Speed Rail Network Company)
Saudi Arabia
North-South Railway Project
Saudi Rail Expansion Projects
Sweden
Botnia Railway Project
Switzerland
Alp Transit Project
United Arab Emirates
Union Railway
United States
California High-Speed Rail Authority