European Shortsea Network, www.shortsea.info
European Intermodal Association, www.eia-ngo.com
European Community Shipowners' Associations, www.ecsa.eu,
European Community Association of Ship Brokers and Agents, www.ecasba.com  
European Shippers Council, www.europeanshippers.com
European Sea Ports Organisation, www.espo.be
European Federation of Inland Ports, www.inlandports.be
International Union of combined Rail-Road Transport Companies ,www.uirr.com

Bulgarian Branch Associations
Bulgarian Shipowners Association, www.bsa-bg.com
Bulgarian Association of ShipBroker and Agents, www.basba.eu
Bulgarian Association for Freight Forwarding,Transport and Logistics, www.nsbs.bg