AAR - Association of American Railroads Representing North America's freight railroads and Amtrak. Strives to help make the rail industry increasingly safe, efficient and productive.

American Short Line and Regional Railroad Association ASLRRA represents more than 400 short line and regional railroads. Includes activities, membership list, newsletter, and positions on issues.

Australasian Railway Association The Australasian Railway Association is the political voice of the rail industry in Australia and New Zealand.

Australian Railway Industry Corporation Australian railway export association comprising companies supplying technologies to railway operations worldwide.

Canadian Pacific Railway Computers and Communications Alumni Association Dedicated to the sharing of information pertaining to former Toronto and Montreal staff of Canadian Pacific Railway's Informations Systems and Computers + Communications Department.

European Association for the Development of Railway Transport Railway lobby organization based in France. Much of site in French, with some English sections.

French Railway Industry Association Manufacturers and suppliers to the railway industry.

IEEE Rail Transit Working Group 9 Workgroup Site Information on IEEE RTVISC WG9 activities related to development of standard 1544, Data Elements for Rail Basic Operating Unit Interoperability

National Association of Rail Shippers The National Association of Rail Shippers is the national umbrella organization that links six regional association of rail owners, vendors and users.

New Jersey Shortline Railroad Association NJSLRA is the association of the small freight railroads in New Jersey. The site includes links to all members for industrial development and freight services.

Permanent Way Institution The PWI promotes and encourages the acquisition and exchange of technical and general knowledge about the design, construction and maintenance of every type of railed track

Railfreight Interchange Investment Group Industry group seeking to promote economic and environmental benefits of railfreight interchanges within the United Kingdom, and achieve a more constructive planning framework for such developments.

Railway Association of Canada (RAC) The RAC is the industry association of freight, passenger and commuter railways that operate throughout Canada.

Railway Industry Association UK The Railway Industry Association is the trade association for UK based suppliers of equipment and services to the rail industry worldwide.

SWISSRAIL Export Association Grouping of over 70 companies in the Swiss rail export business

The China Hong Kong Permanent Way Society The Society promotes and encourages the acquisition and exchange of both general and technical knowledge of planning, design, construction, inspection, maintenance and renewal of permanent way and other associated railway works.

The Railway Forum UK railway trade association which represents all sides of the industry.

Transportation Technology Center, Inc An intermodal research and test center that offers a wide range of capabilities. The center is owned by the Federal Railroad Administration and is operated in the private sector by the Association of American Railroads.