ItServiceManagement.com

Public Key Infrastructure
Standards developed by the Open Group regarding PKI.
archive.opengroup.org/

Query Certificate Managers
Managing authenticated transmission of sensitive information over an insecure network.
www.cis.upenn.edu/

The Open Source PKI Book
An attempt to register the available open source concerning PKI, and useful technical background info.
ospkibook.sourceforge.net/

The PKI Page
This page contains links to various sites and documents related to Public Key Infrastructure (PKI) material, especially links certificate authorities (CAs). (Stefan Kelm)
www.pki-page.org/

NIST PKI Program
An initiative to coordinate industry and technical groups developing PKI technology to foster interoperability of PKI products and projects. (National Institute of standards and Technology)
csrc.nist.gov/

Coronet Rail Ltd
Manufacturer and supplier of rail infrastructure products including dry-mechanical joint systems, track fixings, insulated products and other track maintenance solutions.
www.coronetrail.co.uk/

Polysafe
UK based manufacturer and supplier of level crossings, grade crossings and pedestrian crossings for road and rail interchanges.
www.polysafe.co.uk/

Furrer + Frey AG, Berne (Switzerland)
Planning, construction and maintenance of overhead contact lines and conductor rails for railways, tramways and trolley buses.
www.furrerfrey.ch/

Tiefenbach GmbH
Manufacturer of wheel sensors, axle counters, level crossing signalling equipment, positioning systems and systems for sideings and depots.
www.tiefenbach.de/

National Electric Gate Company
The leading manufacturer of crossing warning protection materials for the past 30 years.
www.nationalelectricgate.com/