Comments and additions welcome.

The uicstock Yahoo!Group. The discussion group for this website.

Continental Rolling Stock
Die Wagenabnahmeliste der DREHSCHEIBE. Excellent guide to DB coaches.
Drehscheibe-Online Wagen Forum. Discussion of German coaches and wagons.
fernbahn.de. Details of coaching stock formations of DB trains.
GySEV database. You can make real-time wagon and coach database enquiries here.
Parostroj. Czech enthusiast site with some good pages on rolling stock.
Řazení vlaků 2004/2005 - Želpage. Coaching stock formations of Czech trains.
Reisezüge der Schweiz. Coaching stock formations of Swiss trains.
szemelykocsi.srv.hu. Includes a database of Hungarian coaches.
Wagendatenbank. Database of (mainly) German coaches and wagons.
Wagons-Lits-Homepage. Detailed site for CIWL stock with a historical fleet list.

Wagons and Freight
1520mm. Wagons of the 1520mm gauge, in Russian language. Includes an explanation of the Russian numbering system.
Danske godsvogne. Danish freight wagon site, maintained by Ole Møller Nielsen.
DR_gueterwagen. German e-group for discussing DR wagons of the period 1945 - 1990.
gueterwagen. German e-group for discussing continental wagons.
Per Topp Nielsen's homepage. Maintained by Per. Lots of technical wagon data.
Rolandrail. Freight in the Netherlands.
Tosh's Continental Wagons. Maintained by Anton. Includes comprehensive lists of wagon number ranges.

General Enthusiast
European Loco Sightings. e-group for locomotive observations and technical discussion.
European Rail Gen. Popular e-group for European loco workings.
Ferenc Joó's Railway Page. Lots of Hungarian data.
HŽ Online. Very useful resource for Croatian trains. Includes a link to the HŽ computer system for stock enquiries!
mav.cyberhungary.net. Hungarian site giving lots of locomotive data.
Railfaneurope. The home of the European Railway Server and Picture Gallery.

Timetables and Continental Travel
DB Travelservice. International timetable enquiries.
The Man in Seat Sixty-One... Guide to continental travel by train and ship.

Railway Companies and Organisations
Ahaus Alstatter Eisenbahn AG
Afzet Container Transport Service ACTS Nederland bv
AX Benet
BLS
Cargonet Group
ČD
CFL
CFR
Connex Norrlandståget
DB AG
DSB
Eurowaggon AB
Green Cargo
GySEV/RÖEE
HŽ
JZ
LG
MÁV
NS
NSB
ÖBB
OSE
PKP
Railion Deutschland AG
RENFE
SBB CFF FFS
SJ
SNCB/NMBS
SNCF
SŽ
Transwaggon GmbH
UIC
UZ
ZBH
ŽSSK
ŽSSK Cargo

Manufacturers
Alstom Transport.
Arbel Fauvet Rail, Douai.
Bombardier (group homepage).
ĐĐ Specijalna vozila d.d.
Graaf Transportsysteme GmbH.
International Railway Systems.
Josef Meyer Waggon AG.
Lostr a.s., Louny.
Pojazdy Szynowe PESA Bydgoszcz Spółka Akcyjna Holding.
S.C. Meva SA.
Siemens AG (Transportation).
Stadler Rail AG.
Talgo-Transtech Oy.
Tatravagónka a.s., Poprad.
Vossloh Locomotives GmbH.
Waggonbau Niesky GmbH.