Railway Safety and Standards Board
The company's prime objective is to lead and facilitate the railway industry's work to achieve continuous improvement in the health and safety performance of the railways in Great Britain
http://www.rssb.co.uk/

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

Railway Technical Web Pages
Find the best information on railways and railroads around the world.
http://www.railway-technical.com

Railway Lights
Carmanah is a leading warning lights and beacons for the railway industry
http://www.railwaylights.com

The Yellow Book - Engineering Safety Management
A handbook, published by Railtrack on behalf of the UK rail industry, designed to help people involved in changes to the railway contribute to improved safety.
http://www.yellowbook-rail.org.uk

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

Human Factors Analysts Limited
Human Factors Analysts Ltd (HFAL) is a consultancy specialising in social and human performance research in high consequence safety and risk sectors such as Rail, Power Generation and Health.We perform research into drugs and alcohol misuse, healthcare and social issues. We also research issues of safety, risk, incident reporting and root cause coding.
http://www.hfal.co.uk

High-Rez Diagnostics
High-Rez Diagnostics provides on-site radiation (laser, radio frequency, x-ray and nuclear) safety training, consulting and surveys.
http://www.highrezdiagnostics.com/

Alstom Rail Signaling
Westinghouse Rail Systems has been signalling railways for over 100 years and today leads the world in advanced technology signalling and train control systems.
http://www.railway-technology.com/contractors/signal/westinghouse/index.html