VPI Union of Interested Parties in Private Freight Wagons

www.vpihamburg.de

VPI Austria

www.vpirail.at

VAP Switzerland

www.cargorail.ch

UIP International

Private Freight Wagon Union

www.uiprail.org

aretz+co (Germany)

www.aretzwaggon.de

Systemcert

www.systemcert.at

ERC GmbH

www.e-r-c.at