Jarvis Rail
The railway engineering arm of Jarvis plc. Railway infrastructure maintenance and renewals equipment such as tampers, ballast cleaners and dynamic track stabilsers available for sale or long term lease.
http://www.jarvisplant.com/

Harsco Track Technologies
Designers & manufacturers of railway infrastructure maintenance equipment
http://www.httuk.com/

Mer Mec S.p.a.
Design and development of vehicles and measuring systems for maintenance works of the railway infrastructure.
http://www.mermec.it

Australian Railway Industry Corporation
Australian railway export association comprising companies supplying technologies to railway operations worldwide.
http://www.aric.net.au/

Railway Preservation Resources
Helping professionals, museums and private owners understand, conserve, restore and operate historic railway equipment. Historic railway consulting, research, conservation, restoration and collection management.
http://www.railwaypreservation.com

Socofer
Design, construction and maintenance of railway infrastructure maintenance vehicles.
http://www.socofer.com/

Jock Valley Engineering
Engineering services relating to railway infrastructure including crossings, tracks, bridges & signals.
http://www.jockvalley.com/

Rail Vikas Nigam Ltd
Indian Railway company, providing high speed Rail connectivity infrastructure among metro cities of Delhi-Mumbai-Chennai and Kolkata.
http://www.rvnl.org/

First Class Partnerships
First Class Partnerships is a leading specialist railway consultancy, offering strategy, operational, marketing, financial and engineering expertise from highly-skilled consultants to train operators, governments, commercial interests and policy makers, with offices in the UK, Austria, South Africa and Argentina.
http://www.firstclasspartnerships.com

OpenTrack - Simulation of Railway Networks
ETH Zuerich
http://www.ivt.baug.ethz.ch/opentrack.html