COLOGNE
City of Cologne
Heusch / Boesefeldt GmbH
Robert Bosch GmbH
PDV
Siemens AG

HAMPSHIRE / SOUTHAMPTON
Siemens Environmental Systems Ltd.
Siemens Traffic Controls Ltd.
Hampshire County Council
South West Trains
Atkins Wooton Jeffreys
University of Southampton -
  Transportation Research Group
Community Network Service Ltd.
Transport Research Laboratory
Defense Research Agency
Golden River Traffic Ltd.
Ordnance Survey
Southampton City Council
Southampton Container Terminals

PIRAEUS
Municipality of Piraeus
Local Development Enterprise S.A.
Research Center of the University
  of Piraeus                                   Eratosthenes Ltd. Consultants
Port of Piraeus Authority
Intracom S.A.
APEX S.A.
National Technical University
  of Athens

ROTTERDAM
Municipality of Rotterdam
Rijkswaterstaat Zuid - Holland

STRASBOURG
Communaute Urbaine de Strasbourg
Societe des autoroutes du nord et
  de l' est de la France
Centre d' etude technique de
  l' equipment de l' est
Thomson CSF
Compagnie des Transports
Strasbourgois
STERIA

GENOA
Municipal Transport Authority (AMT)
Elsag Bailey

HAMBURG
Free and Hanseatic City of Hamburg
  -State Ministry of Economic Affairs
HPC Hamburg Port Consulting GmbH
Heusch Boesefeldt GmbH
Gesellschaft fur Informatik, Verkehrs
  -und Umweltplanung, Berlin

CORK
Cork Corporation

BRANDENBURG
Landesentwicklungsgesellschaft
  Brandenburg GmbH